Lenovo ThinkStation P8 Tower CPU User Manual

Lenovo ThinkStation P8 Tower CPU

Specifications

• Model: ThinkStation P8
• Edition: First Edition (February 2024)

Product Overview

Front:

The front of the ThinkStation P8 includes various ports and indicators for easy access and monitoring.

Rear:

The rear of the ThinkStation P8 features additional ports for connectivity and expansion.

Expansion Modules:

The expansion modules provide options for adding extra hardware components to enhance the capabilities of the ThinkStation P8.

Cooling System:

The cooling system in the ThinkStation P8 ensures optimal performance by maintaining temperature levels within the system.

Product Usage Instructions

Service Checkout and Symptom-to-FRU Index:

Follow the service checkout and symptom-to-FRU index to troubleshoot and resolve any hardware issues that may arise during operation.

RAID Configuration:

Learn how to configure RAID using either the RAIDXpert2 Configuration Utility or the MegaRAID Configuration Utility for data protection and performance optimization.

Diagnostics:

Utilize the UEFI diagnostic program, ThinkStation diagnostic tool, Vantage app, and self-help resources to diagnose and resolve computer problems efficiently.

Hardware Removal and Installation:

Properly handle static-sensitive devices and follow the provided illustrations and instructions for removing and installing hardware components such as memory modules, system boards, and other major FRUs and CRUs.

FAQs

• Q: What should I do if I encounter a hard disk drive boot error?
  • A: Refer to the Symptom-to-FRU Index in Chapter 4 of the manual for troubleshooting steps related to hard disk drive boot errors.
• Q: How can I configure RAID on the ThinkStation P8?
  • A: You can configure RAID using either the RAIDXpert2 Configuration Utility or the MegaRAID Configuration Utility as explained in Chapter 5 of the manual.
• Q: Where can I find information on handling static-sensitive devices during hardware replacement?
  • A: Detailed instructions on handling static-sensitive devices can be found in Chapter 7 of the manual under Hardware Removal and Installation.

ThinkStation P8 Hardware Maintenance Manual

First Edition (February 2024)
© Copyright Lenovo 2024. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS35F-05925.

ii ThinkStation P8 Hardware Maintenance Manual

About this manual
This manual provides service and reference information for ThinkStation® computers listed on the front cover. Illustrations in this manual might look different from your product. Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkStation computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkStation computer, be sure to read and understand Chapter 1 “Important safety information” on page 1.

Chapter 1.

Important safety information

General safety
Follow these rules to ensure general safety: · Observe good housekeeping in the area of the machines during and after maintenance. · When lifting any heavy object:
1. Ensure you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift. 4. Lift by standing or by pushing up with your leg muscles; this action removes the strain from the
muscles in your back.
Attention: Do not attempt to lift any objects that weigh more than 16 kg (35 lb) or objects that you think are too heavy for you. · Do not perform any action that causes hazards to the customer, or that makes the equipment unsafe. · Before you start the machine, ensure that other service representatives and the customer’s personnel are not in a hazardous position. · Place removed covers and other parts in a safe place, away from all personnel, while you are servicing the machine. · Keep your tool case away from walk areas so that other people will not trip over it. · Do not wear loose clothing that can be trapped in the moving parts of a machine. Ensure that your sleeves are fastened or rolled up above your elbows. If your hair is long, fasten it. · Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip, approximately 8 centimeters (3 inches) from the end. · Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for your clothing. Remember: Metal objects are good electrical conductors. · Wear safety glasses when you are: hammering, drilling, soldering, cutting wire, attaching springs, using solvents, or working in any other conditions that might be hazardous to your eyes. · After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. · Reinstall all covers correctly before returning the machine to the customer.
CAUTION:
Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek medical care immediately.
CAUTION:
Avoid contact with hot components inside the computer. During operation, some components become hot enough to burn the skin. Before you open the computer cover, turn off the computer, disconnect power, and wait approximately 10 minutes for the components to cool.

© Copyright Lenovo 2024

1

Electrical safety
CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect the attached power cords, telecommunication systems, networks, and modems before you open the computer covers, unless instructed otherwise in the installation and configuration procedures.
Observe the following rules when working on electrical equipment.
Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock.
· Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can then operate the switch or unplug the power cord quickly.
· Do not work alone under hazardous conditions or near equipment that has hazardous voltages. · Disconnect all power before:
­ Performing a mechanical inspection ­ Working near power supplies ­ Removing or installing Field Replaceable Units (FRUs) · Before you start to work on the machine, unplug the power cord. If you cannot unplug it, ask the customer to power-off the wall box that supplies power to the machine and to lock the wall box in the off position. · If you need to work on a machine that has exposed electrical circuits, observe the following precautions:
­ Ensure that another person, familiar with the power-off controls, is near you. Remember: Another person must be there to switch off the power, if necessary.
­ Use only one hand when working with powered-on electrical equipment; keep the other hand in your pocket or behind your back. Remember: There must be a complete circuit to cause electrical shock. By observing the above rule, you may prevent a current from passing through your body.
­ When using a tester, set the controls correctly and use the approved probe leads and accessories for that tester.
­ Stand on suitable rubber mats (obtained locally, if necessary) to insulate you from grounds such as metal floor strips and machine frames.
Observe the special safety precautions when you work with very high voltages; these instructions are in the safety sections of maintenance information. Use extreme care when measuring high voltages. · Regularly inspect and maintain your electrical hand tools for safe operational condition. · Do not use worn or broken tools and testers. · Never assume that power has been disconnected from a circuit. First, check that it has been powered-off. · Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. · Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage. · Do not service the following parts with the power on when they are removed from their normal operating places in a machine:
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­ Power supply units ­ Pumps ­ Blowers and fans ­ Motor generators and similar units. (This practice ensures correct grounding of the units.) · If an electrical accident occurs: ­ Use caution; do not become a victim yourself. ­ Switch off power. ­ Send another person to get medical aid.
Safety inspection guide
The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury. This guide addresses only those items. However, good judgment should be used to identify potential safety hazards due to attachment of features or options not covered by this inspection guide.
If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem.
Consider these conditions and the safety hazards they present: · Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal
electrical shock). · Explosive hazards, such as a damaged CRT face or bulging capacitor · Mechanical hazards, such as loose or missing hardware
The guide consists of a series of steps presented in a checklist. Begin the checks with the power off, and the power cord disconnected.
Checklist: 1. Check exterior covers for damage (loose, broken, or sharp edges). 2. Power-off the computer. Disconnect the power cord. 3. Check the power cord for: a. A third-wire ground connector in good condition. Use a meter to measure third-wire ground continuity for 0.1 ohm or less between the external ground pin and frame ground. b. The power cord should be the appropriate type as specified in the parts listings. c. Insulation must not be frayed or worn. 4. Remove the cover. 5. Check for any obvious alterations. Use good judgment as to the safety of any alterations. 6. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. 7. Check for worn, frayed, or pinched cables. 8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with.
Chapter 1. Important safety information 3

Handling electrostatic discharge-sensitive devices
Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge.
Notes: 1. Use product-specific ESD procedures when they exceed the requirements noted here. 2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective.
When handling ESD-sensitive parts: · Keep the parts in protective packages until they are inserted into the product. · Avoid contact with other people while handling the part. · Wear a grounded wrist strap against your skin to eliminate static on your body. · Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when
you are wearing a wrist strap. · Use the black side of a grounded work mat to provide a static-free work surface. The mat is especially
useful when handling ESD-sensitive devices. · Select a grounding system, such as those listed below, to provide protection that meets the specific
service requirement.
Note: The use of a grounding system is desirable but not required to protect against ESD damage. ­ Attach the ESD ground clip to any frame ground, ground braid, or green-wire ground. ­ Use an ESD common ground or reference point when working on a double-insulated or battery-
operated system. You can use coax or connector-outside shells on these systems. ­ Use the round ground-prong of the ac plug on ac-operated computers.
Grounding requirements
Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician.
Safety notices (multi-lingual translations)
The caution and danger safety notices in this section are provided in the following languages: · English · Arabic · Brazilian/Portuguese · Chinese (simplified) · Chinese (traditional) · French · German · Hebrew · Italian · Korean
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· Spanish

DANGER
Electrical current from power, telephone and communication cables is hazardous.
To avoid a shock hazard:
· Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm.
· Connect all power cords to a properly wired and grounded electrical outlet. · Connect to properly wired outlets any equipment that will be attached to this product. · When possible, use one hand only to connect or disconnect signal cables. · Never turn on any equipment when there is evidence of fire, water, or structural damage. · Disconnect the attached power cords, telecommunications systems, networks, and modems
before you open the device covers, unless instructed otherwise in the installation and configuration procedures. · Connect and disconnect cables as described in the following tables when installing, moving, or opening covers on this product or attached devices.

To Connect
1. Turn everything OFF. 2. First, attach all cables to devices. 3. Attach signal cables to connectors. 4. Attach power cords to outlet. 5. Turn device ON.

To Disconnect
1. Turn everything OFF. 2. First, remove power cords from outlet. 3. Remove signal cables from connectors. 4. Remove all cables from devices.

CAUTION: When replacing the lithium battery, use only Part Number 45C1566 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of. Do not: · Throw or immerse into water · Heat to more than 100°C (212°F) · Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.

CAUTION:

Chapter 1. Important safety information 5

When laser products (such as CD-ROMs, DVD-ROM drives, fiber optic devices, or transmitters) are installed, note the following: · Do not remove the covers. Removing the covers of the laser product could result in exposure to
hazardous laser radiation. There are no serviceable parts inside the device. · Use of controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following: Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.

18 kg (37 lb) CAUTION: Use safe practices when lifting.

32 kg (70.5 lb)

55 kg (121.2 lb)

CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

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Chapter 1. Important safety information 7

18 kg (37 lb)

32 kg (70.5 lb)

55 kg (121.2 lb)

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PERIGO
A corrente elétrica proveniente de cabos de alimentação, de telefone e de comunicações é perigosa.
Para evitar risco de choque elétrico:
· Não conecte nem desconecte nenhum cabo ou execute instalação, manutenção ou reconfiguração deste produto durante uma tempestade com raios.
· Conecte todos os cabos de alimentação a tomadas elétricas corretamente instaladas e aterradas. · Todo equipamento que for conectado a este produto deve ser conectado a tomadas corretamente
instaladas. · Quando possível, utilize apenas uma das mãos para conectar ou desconectar cabos de sinal. · Nunca ligue nenhum equipamento quando houver evidência de fogo, água ou danos estruturais. · Antes de abrir tampas de dispositivos, desconecte cabos de alimentação, sistemas de telecomunicação,
redes e modems conectados, a menos que especificado de maneira diferente nos procedimentos de instalação e configuração. · Conecte e desconecte os cabos conforme descrito na tabela apresentada a seguir ao instalar, mover ou abrir tampas deste produto ou de dispositivos conectados.

Para Conectar:
1. DESLIGUE Tudo. 2. Primeiramente, conecte todos os cabos aos
dispositivos. 3. Conecte os cabos de sinal aos conectores. 4. Conecte os cabos de alimentação às tomadas. 5. LIGUE os dispositivos.

Para Desconectar:
1. DESLIGUE Tudo. 2. Primeiramente, remova os cabos de alimentação das
tomadas. 3. Remova os cabos de sinal dos conectores. 4. Remova todos os cabos dos dispositivos.

CUIDADO:
Ao substituir a bateria de lítio, utilize apenas uma bateria com Número de Peça 45C1566 ou um tipo de bateria equivalente recomendado pelo Se o seu sistema possui um módulo com uma bateria de lítio, substitua-o apenas por um módulo do mesmo tipo e do mesmo fabricante. A bateria contém lítio e pode explodir se não for utilizada, manuseada ou descartada de maneira correta.
Não: · Jogue ou coloque na água · Aqueça a mais de 100°C (212°F) · Conserte nem desmonte
Descarte a bateria conforme requerido pelas leis ou regulamentos locais.

Chapter 1. Important safety information 9

PRECAUCIÓN:
Quando produtos a laser (como unidades de CD-ROMs, unidades de DVD-ROM, dispositivos de fibra ótica ou transmissores) estiverem instalados, observe o seguinte: · Não remova as tampas. A remoção das tampas de um produto a laser pode resultar em exposição
prejudicial à radiação de laser. Não existem peças que podem ser consertadas no interior do dispositivo. · A utilização de controles ou ajustes ou a execução de procedimentos diferentes dos especificados aqui
pode resultar em exposição prejudicial à radiação.
PERIGO
Alguns produtos a laser contêm diodo de laser integrado da Classe 3A ou da Classe 3B. Observe o seguinte:
Radiação a laser quando aberto. Não olhe diretamente para o feixe a olho nu ou com instrumentos ópticos e evite exposição direta ao feixe.

18 kg (37 lb)

32 kg (70.5 lb) 55 kg (121.2 lb)

CUIDADO: Utilize procedimentos de segurança para levantar equipamentos.

CUIDADO: O botão de controle de alimentação do dispositivo e o botão para ligar/desligar da fonte de alimentação não desligam a corrente elétrica fornecida ao dispositivo. O dispositivo também pode ter mais de um cabo de alimentação. Para remover toda a corrente elétrica do dispositivo, assegure que todos os cabos de alimentação estejam desconectados da fonte de alimentação.
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Chapter 1. Important safety information 11

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Chapter 1. Important safety information 13

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DANGER
Le courant électrique provenant de l’alimentation, du téléphone et des câbles de transmission peut présenter un danger.
Pour éviter tout risque de choc électrique : · Ne manipulez aucun câble et n’effectuez aucune opération d’installation, d’entretien ou de reconfiguration
de ce produit au cours d’un orage. · Branchez tous les cordons d’alimentation sur un socle de prise de courant correctement câblé et mis à la
terre. · Branchez sur des socles de prise de courant correctement câblés tout équipement connecté à ce produit. · Lorsque cela est possible, n’utilisez qu’une seule main pour connecter ou déconnecter les câbles
d’interface. · Ne mettez jamais un équipement sous tension en cas d’incendie ou d’inondation, ou en présence de
dommages matériels. · Avant de retirer les carters de l’unité, mettez celle-ci hors tension et déconnectez ses cordons
d’alimentation, ainsi que les câbles qui la relient aux réseaux, aux systèmes de télécommunication et aux modems (sauf instruction contraire mentionnée dans les procédures d’installation et de configuration). · Lorsque vous installez, que vous déplacez, ou que vous manipulez le présent produit ou des périphériques qui lui sont raccordés, reportez-vous aux instructions ci- dessous pour connecter et déconnecter les différents cordons.
14 ThinkStation P8 Hardware Maintenance Manual

Connexion

Déconnexion

1. Mettez les unités HORS TENSION.
2. Commencez par brancher tous les cordons sur les unités.
3. Branchez les câbles d’interface sur des connecteurs.
4. Branchez les cordons d’alimentation sur des prises.
5. Mettez les unités SOUS TENSION.

1. Mettez les unités HORS TENSION. 2. Débranchez les cordons d’alimentation des prises. 3. Débranchez les câbles d’interface des connecteurs. 4. Débranchez tous les câbles des unités.

ATTENTION: Remplacer la pile au lithium usagée par une pile de référence identique exclusivement, (référence 45C1566), ou suivre les instructions du fabricant qui en définit les équivalences. Si votre système est doté d’un module contenant une pile au lithium, vous devez le remplacer uniquement par un module identique, produit par le même fabricant. La pile contient du lithium et peut exploser en cas de mauvaise utilisation, de mauvaise manipulation ou de mise au rebut inappropriée. Ne pas : · la jeter à l’eau, · l’exposer à des températures supérieures à 100°C, · chercher à la réparer ou à la démonter. Ne pas mettre la pile à la poubelle. Pour la mise au rebut, se reporter à la réglementation en vigueur.
ATTENTION: Si des produits à laser (tels que des unités de CD-ROM, de DVD-ROM, des unités à fibres optiques, ou des émetteurs) sont installés, prenez connaissance des informations suivantes : · Ne retirez pas le carter. En ouvrant l’unité de CD-ROM ou de DVD-ROM, vous vous exposez au
rayonnement dangereux du laser. Aucune pièce de l’unité n’est réparable. · Pour éviter tout risque d’exposition au rayon laser, respectez les consignes de réglage et
d’utilisation des commandes, ainsi que les procédures décrites dans le présent manuel.
DANGER Certains produits à laser contiennent une diode à laser intégrée de classe 3A ou 3B. Prenez connaissance des informations suivantes: Rayonnement laser lorsque le carter est ouvert. Evitez toute expositiondirecte au rayon laser. Evitez de regarder fixement le faisceau ou del’observer à l’aide d’instruments optiques.
Chapter 1. Important safety information 15

18 kg (37 lb)

32 kg (70.5 lb) 55 kg (121.2 lb)

ATTENTION: Soulevez la machine avec précaution.

ATTENTION: L’interrupteur de contrôle d’alimentation de l’unité et l’interrupteur dubloc d’alimentation ne coupent pas le courant électrique alimentantl’unité. En outre, le système peut être équipé de plusieurs cordonsd’alimentation. Pour mettre l’unité hors tension, vous devez déconnectertous les cordons de la source d’alimentation.
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VORSICHT
An Netz-, Telefon- und Datenleitungen können gefährliche Spannungen anliegen.
Aus Sicherheitsgründen: · Bei Gewitter an diesem Gerät keine Kabel anschließen oder lösen. Ferner keine Installations-,
Wartungs- oder Rekonfigurationsarbeiten durchführen. · Gerät nur an eine Schutzkontaktsteckdose mit ordnungsgemäß geerdetem Schutzkontakt
anschließen. · Alle angeschlossenen Geräte ebenfalls an Schutzkontaktsteckdosen mit ordnungsgemäß
geerdetem Schutzkontakt anschließen. · Die Signalkabel nach Möglichkeit einhändig anschließen oder lösen, um einen Stromschlag durch
Berühren von Oberflächen mit unterschiedlichem elektrischem Potenzial zu vermeiden.
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· Geräte niemals einschalten, wenn Hinweise auf Feuer, Wasser oder Gebäudeschäden vorliegen.
· Die Verbindung zu den angeschlossenen Netzkabeln, Telekommunikationssystemen, Netzwerken und Modems ist vor dem Öffnen des Gehäuses zu unterbrechen, sofern in den Installations- und Konfigurationsprozeduren keine anders lautenden Anweisungen enthalten sind.
· Zum Installieren, Transportieren und Öffnen der Abdeckungen des Computers oder der angeschlossenen Einheiten die Kabel gemäß der folgenden Tabelle anschließen und abziehen.

Zum Anschließen der Kabel gehen Sie wie folgt vor
1. Schalten Sie alle Einheiten AUS. 2. Schließen Sie erst alle Kabel an die Einheiten an. 3. Schließen Sie die Signalkabel an die Buchsen an. 4. Schließen Sie die Netzkabel an die Steckdose an. 5. Schalten Sie die Einheit EIN.

Zum Abziehen der Kabel gehen Sie wie folgt vor
1. Schalten Sie alle Einheiten AUS. 2. Ziehen Sie zuerst alle Netzkabel aus den
Netzsteckdosen. 3. Ziehen Sie die Signalkabel aus den Buchsen. 4. Ziehen Sie alle Kabel von den Einheiten ab.

CAUTION:
Eine verbrauchte Lithiumbatterie nur durch eine Batterie mit der Teilenummer 45C1566 oder eine gleichwertige, vom Hersteller empfohlene Batterie ersetzen. Enthält das System ein Modul mit einer Lithiumbatterie, dieses nur durch ein Modul desselben Typs und von demselben Hersteller ersetzen. Die Batterie enthält Lithium und kann bei unsachgemäßer Verwendung, Handhabung oder Entsorgung explodieren.
Die Batterie nicht: · mit Wasser in Berührung bringen. · über 100 C erhitzen. · reparieren oder zerlegen.
Die örtlichen Bestimmungen für die Entsorgung von Sondermüll beachten.

ACHTUNG:
Bei der Installation von Lasergeräten (wie CD-ROM-Laufwerken, DVD- aufwerken, Einheiten mit Lichtwellenleitertechnik oder Sendern) Folgendes beachten:
· Die Abdeckungen nicht entfernen. Durch Entfernen der Abdeckungen des Lasergeräts können gefährliche Laserstrahlungen freigesetzt werden. Das Gerät enthält keine zu wartenden Teile.
· Werden Steuerelemente, Einstellungen oder Durchführungen von Prozeduren anders als hier angegeben verwendet, kann gefährliche Laserstrahlung auftreten.

VORSICHT

Chapter 1. Important safety information 17

Einige Lasergeräte enthalten eine Laserdiode der Klasse 3A oder 3B. Beachten Sie Folgendes:
Laserstrahlung bei geöffneter Verkleidung. Nicht in den Strahl blicken. Keine Lupen oder Spiegel verwenden. Strahlungsbereich meiden.

18 kg

32 kg

55 kg

ACHTUNG: Arbeitsschutzrichtlinien beim Anheben der Maschine beachten.

ACHTUNG: Mit dem Netzschalter an der Einheit und am Netzteil wird die Stromversorgung für die Einheit nicht unterbrochen. Die Einheit kann auch mit mehreren Netzkabeln ausgestattet sein. Um die Stromversorgung für die Einheit vollständig zu unterbrechen, müssen alle zum Gerät führenden Netzkabel vom Netz getrennt werden.
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Chapter 1. Important safety information 19

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PERICOLO La corrente elettrica proveniente dai cavi di alimentazione, del telefono e di comunicazione può essere pericolosa.
20 ThinkStation P8 Hardware Maintenance Manual

Per evitare il rischio di scosse elettriche:
· Non collegare o scollegare qualsiasi cavo oppure effettuare l’installazione, la manutenzione o la riconfigurazione del prodotto durante un temporale.
· Collegare tutti i fili elettrici a una presa di alimentazione correttamente cablata e dotata di messa a terra.
· Collegare alle prese elettriche appropriate tutte le apparecchiature che verranno utilizzate per questo prodotto.
· Se possibile, utilizzare solo una mano per collegare o scollegare i cavi di segnale.
· Non accendere assolutamente apparecchiature in presenza di incendi, perdite d’acqua o danno strutturale.
· Scollegare i cavi di alimentazione, i sistemi di telecomunicazione, le reti e il modem prima di aprire i coperchi del dispositivo, salvo istruzioni contrarie relative alle procedure di installazione e configurazione.
· Collegare e scollegare i cavi come descritto nella seguente tabella quando vengono effettuate operazioni di installazione, spostamento o apertura dei coperchi di questo prodotto o delle unità collegate.

Per collegarsi
1. SPEGNERE le apparecchiature. 2. Innanzitutto, collegare tutti i cavi alle unità. 3. Collegare i cavi di segnale ai connettori. 4. Collegare i cavi di alimentazione alla presa. 5. Accendere l’unità.

Per scollegarsi
1. SPEGNERE le apparecchiature. 2. Innanzitutto, rimuovere i cavi di alimentazione dalla
presa. 3. Rimuovere i cavi di segnale dai connettori. 4. Rimuovere tutti i cavi dalle unità.

ATTENZIONE:
Quando si sostituisce la batteria al litio, utilizzare solo il Numero parte 45C1566 o un tipo di batteria equivalente consigliato dal produttore. Se sul sistema è presente un modulo che contiene una batteria al litio, sostituirlo solo con un tipo di modulo dello stesso tipo della stessa casa di produzione. La batteria contiene litio e può esplodere se usata, maneggiata o smaltita in modo non corretto.
Non: · Gettare o immergere la batteria nell’acqua · Riscaldarla ad una temperatura superiore ai 100 gradi C (212 gradi F) · Smontarla, ricaricarla o tentare di ripararla
Le batterie usate vanno smaltite in accordo alla normativa in vigore (DPR 915/82 e successive disposizioni e disposizioni locali).

ATTENZIONE:

Chapter 1. Important safety information 21

Quando vengono installati prodotti laser (quali CD-ROM, unità DVD-ROM, unità a fibre ottiche o trasmittenti), tener presente quanto segue: · Non rimuovere gli sportelli. L’apertura di un’unità laser può determinare l’esposizione a radiazioni
laser pericolose. All’interno dell’unità non vi sono parti su cui effettuare l’assistenza tecnica. · L’utilizzo di controlli, regolazioni o l’esecuzione di procedure non descritti nel presente manuale
possono provocare l’esposizione a radiazioni pericolose.
PERICOLO Alcune unità laser contengono un diodo laser di Classe 3A o Classe 3B. Tener presente quanto segue: Aprendo l’unità vengono emesse radiazioni laser. Non fissare il fascio, non guardarlo direttamente con strumenti ottici ed evitare l’esposizione al fascio.

18 kg

32 kg

ATTENZIONE: Prestare attenzione nel sollevare l’apparecchiatura.

55 kg

ATTENZIONE: Il pulsante di controllo dell’alimentazione presente sull’unità e l’interruttore dell’alimentatore non disattivano l’alimentazione corrente fornita all’unità. E’ possibile che l’unità disponga di più cavi di alimentazione. Per disattivare l’alimentazione dall’unità, accertarsi che tutti i cavi di alimentazione siano scollegati dalla fonte di alimentazione.
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22 ThinkStation P8 Hardware Maintenance Manual

Chapter 1. Important safety information 23

2 1
PELIGRO La corriente eléctrica procedente de cables de alimentación, teléfonos y cables de comunicación puede ser peligrosa. Para evitar el riesgo de descarga eléctrica: · No conecte ni desconecte los cables ni realice ninguna tarea de instalación, mantenimiento o
reconfiguración de este producto durante una tormenta eléctrica. · Conecte todos los cables de alimentación a tomas de corriente debidamente cableadas y
conectadas a tierra.
24 ThinkStation P8 Hardware Maintenance Manual

· Cualquier equipo que se conecte a este producto también debe conectarse a tomas de corriente debidamente cableadas.
· Siempre que sea posible, utilice una sola mano para conectar o desconectar los cables de señal.
· No encienda nunca un equipo cuando hay señales de fuego, agua o daños estructurales.
· Desconecte los cables de alimentación, los sistemas de telecomunicaciones, las redes y los módems conectados antes de abrir las cubiertas de los dispositivos, a menos que se indique lo contrario en los procedimientos de instalación y configuración.
· Conecte y desconecte los cables, como se describe en la tabla siguiente, cuando instale, mueva o abra las cubiertas de este producto o de los dispositivos conectados.

Para conectar
1. APÁGUELO todo. 2. En primer lugar, conecte todos los cables a los
dispositivos. 3. Conecte los cables de señal a los conectores. 4. Enchufe los cables de alimentación a las tomas de
corriente. 5. Encienda el dispositivo.

Para desconectar
1. APÁGUELO todo. 2. En primer lugar, desenchufe los cables de
alimentación de las tomas de corriente. 3. Desconecte los cables de señal de los conectores. 4. Desconecte todos los cables de los dispositivos.

PRECAUCIÓN: Cuando sustituya una batería de litio, utilice solamente una batería número de pieza 45C1566 u otra de tipo equivalente recomendada por el fabricante. Si su sistema dispone de un módulo que contiene una batería de litio, reemplácelo sólo con el mismo tipo de módulo, del mismo fabricante. La batería contiene litio y puede explotar si no se utiliza, manipula o desecha correctamente.
No debe: · Arrojarla al agua o sumergirla en ella · Exponerla a temperaturas superiores a 100°C (212°F) · Repararla o desmontarla Deshágase de la batería según especifiquen las leyes o normas locales.
PRECAUCIÓN: Cuando haya productos láser (como unidades de CD-ROM, unidades de DVD, dispositivos de fibra óptica o transmisores) instalados, tenga en cuenta lo siguiente: · No quite las cubiertas. Si quita las cubiertas del producto láser, podría quedar expuesto a radiación
láser peligrosa. Dentro del dispositivo no existe ninguna pieza que requiera servicio técnico. · Si usa controles o ajustes o realiza procedimientos que no sean los especificados aquí, podría
exponerse a radiaciones peligrosas.
Chapter 1. Important safety information 25

PELIGRO
Algunos productos láser tienen incorporado un diodo láser de clase 3A o clase 3B. Tenga en cuenta lo siguiente:
Cuando se abre, queda expuesto a radiación láser. No mire directamente al rayo láser, ni siquiera con instrumentos ópticos, y evite exponerse directamente al rayo láser.

18 kg

32 kg

PRECAUCIÓN: Adopte procedimientos seguros al levantar el equipo.

55 kg

PRECAUCIÓN: El botón de control de alimentación del dispositivo y el interruptor de alimentación de la fuente de alimentación no desconectan la corriente eléctrica suministrada al dispositivo. Además, el dispositivo podría tener más de un cable de alimentación. Para suprimir toda la corriente eléctrica del dispositivo, asegúrese de que todos los cables de alimentación estén desconectados de la toma de corriente.
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26 ThinkStation P8 Hardware Maintenance Manual

Chapter 2.

Important service information

Strategy for replacing FRUs
Before replacing parts: Ensure that all software fixes, drivers, and UEFI BIOS downloads are installed before you replace any FRUs listed in this manual.
After a system board is replaced, ensure that the latest UEFI BIOS is loaded to the system board before you complete the service action.
To download and install software fixes, drivers, and UEFI BIOS, go to https://pcsupport.lenovo.com and follow the instructions on the screen.
Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: · If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the
original FRU before you continue. · Some computers have both a processor board and a system board. If you are instructed to replace either
the processor board or the system board, and replacing one of them does not correct the problem, reinstall that board, and then replace the other one. · If an adapter or a device consists of more than one FRU, any of the FRUs might be the cause of the error. Before replacing the adapter or device, remove the FRUs, one by one, to see if the symptoms change. Replace only the FRU that changed the symptoms.
Strategy for replacing a hard disk drive or a solid-state drive
Always try to run a low-level format operation before replacing a hard disk drive or a solid-state drive. This will cause all customer data on the drive to be lost. Ensure that the customer has a current backup of the data before you perform this task.
Attention: The drive startup sequence in the computer you are servicing might have been changed. Be extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect drive, data or programs can be overwritten.
Important notice for replacing a system board
Some components mounted on a system board are very sensitive. Improper handling of a system board can cause damage to those components, and may cause a system malfunction.
After replacing the system board, use the Golden Key U1 tool to bind the model type, serial number, and Brand ID of the computer with the new system board. Refer to https://support.lenovo.com/us/en/solutions/ ht102004 for instructions.
Attention: When handling a system board: · Do not drop a system board or apply any excessive force to it. · Avoid rough handling of any kind. · Avoid bending a system board and hard pushing to prevent cracking at each Ball Grid Array (BGA)
chipset.

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How to use error codes
Use the error codes displayed on the screen to diagnose failures. If more than one error code is displayed, begin the diagnosis with the first error code. Whatever causes the first error code might also cause false error codes. If no error code is displayed, see whether the error symptom is listed in the “Symptom-to-FRU Index” section.
Strategy for replacing FRUs for CTO, special-bid, and standard models
This topic provides information about the model types and FRU identification.
Product definition
This topic introduces different model types and how to identify each type. Dynamic Configure To Order (CTO) model This model provides the ability for a customer to configure a Lenovo solution from a Web site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model, and 2-character country code. The model is “CTO1” and the default country code is “WW” (example: 20AACTO1WW). Special-bid model This model is a unique configuration that has been negotiated between Lenovo and the customer. A unique MTM consists of a 4-character MT, a 4-character model, and a numeric 2-character country code is provided to the customer to place orders (example: 20AA000955). The country code assigned is numeric and does not designate a specific country or region. The custom model factsheet for the MTM indicates which country the special-bid MTM is set up for. Special-bid offering is not generally announced. Standard model Standard models (fixed configuration) are announced and offered to all customers. The MTM portion of the machine label consists of a 4-character MT, a 4-character model, and an alphabetic 2-character country code. The country code assigned is alphabetic and represents a designated country or region (example: 20AA0009UK).
FRU identification
To identify FRUs for a product, do the following: 1. Go to: https://support.lenovo.com/partslookup. 2. Type the Machine Type in the corresponding field to get a general FRU list, or type the Serial Number for more detailed FRU information.
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Chapter 3.

Product overview

Front

Item 1 3 5 7 9 11

Description ThinkStation® LED Power indicator Always On USB-A 3.2 Gen 2 connector USB-C® (3.2 Gen 2) connectors Diagnostic panel switch Front-access storage bay*

• for selected models

Item 2 4 6 8 10

Description Power button Storage indicator USB-A 3.2 Gen 2 connector* Headset connector Diagnostic panel

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Rear

Item 1. 3. 5. 7. 9. 10b. 12. 14.

Description PCIe card areas Power indicator Audio line-in connector USB-A 3.2 Gen 2 connectors Ethernet connector (10G) Key-nest for M.2 SSD storage box Ethernet connector (1G) Power cord connector

Item 2. 4. 6. 8. 10a. 11. 13.

Description Power button Audio line-out connector USB-C® (3.2 Gen 2×2) connector USB-A 2.0 connectors Key-nest for side cover
Serial connector* Security-lock slot

• for selected models

Expansion modules
You can enhance your computer capacity and performance by adding various devices according to the rules in the following table. To replace a device, see “CRU replacenment” on page 61.

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• for selected models

Location
1. Internal storage drive cages*
2. On-board M.2 SSD slots

Rules
You computer has up to two internal storage drive cages. Each internal storage drive cage can support the following storage drives:
· Up to one 3.5-inch HDD · Up to two M.2 SSD · Up to one U.2 or U.3 SSD
Notes:
· Storage drive installation priority: 1a is the first and 1b is the second. · The storage drives installed in 1a and 1b should be the same.
You computer has three on-board M.2 SSD slots. Note: On-board M.2 SSD installation priority: 2a is the first, 2b is the second, and 2c is the third.

Chapter 3. Product overview 31

Location

Rules
You computer has seven PCIe slots. PCIe slot types and PCIe card installation priority are as follows:

3. PCIe slots

You computer has eight memory slots for installing the following memory modules: · 16 GB, 32 GB, or 64 GB DDR5-4800 ECC RDIMM · 128 GB DDR5-4800 ECC 3DS-RDIMM Notes: · Supported memory module quantity: 1 pc, 2 pcs, 4 pcs, 6 pcs, or 8 pcs · Install memory modules of the same type and the same capacity. · Install memory modules in the order shown in the following illustration::
4. Memory slots

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Location
5. Optional internal storage drive cage*

Rules
The optional internal storage drive cage can support a 3.5-inch HDD when 1a and 1b are both occupied with 3.5-inch HDDs. Note: When the computer is installed with NVIDIA Quadro SYNC II card or GeForce 40X0 graphics card, do not install 3.5-inch HDD in the optional internal storage drive cage.
Depending on your computer model, one of the following devices is installed in the frontaccess storage bay: · Blank bezel · 15-in-1 media card reader · NVMe storage tray* ( 1 )
Note: The M.2 SSD storage box( 2 ) in the NVMe storage tray is hot-swappable when NVMe RAID mode is disabled and the operating system of your computer does not reside on the M.2 SSD inside. It means you can replace the M.2 SSD inside without even turning off your computer.

6. Front-access storage bay

Cooling system
The cooling system of your computer allows for unobstructed airflow. Illustrations and descriptions of the fans and heat sinks are as follows:

Chapter 3. Product overview 33

• for selected models

Item 1 3 5 7 9

Description Memory fans and air ducts Front fan* Lower PCIe fan Power supply assembly fan Rear fan

Item 2 4 6 8

Description Upper PCIe fan Front-access storage fan Internal storage drive fan Microprocessor heat sink

Note: To replace the fans and heat sinks, see “Fans” on page 86.

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Chapter 4.

Service checkout and symptom-to-FRU index

This chapter provides information about general service checkout and symptom- to-FRU index.
Service checkout
Attention: The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you select an incorrect drive.
General error messages appear if a problem or conflict is found by a program, the operating system, or both. For an explanation of these messages, refer to the information supplied with that software package.
Use the following procedure to help determine the cause of the problem: 1. Turn off the computer and all external devices. 2. Check all cables and power cords. 3. Set all display controls to the middle position. 4. Turn on all external devices. 5. Turn on the computer. · Look for displayed error codes. · Listen for beep codes. · Look for readable instructions or a main menu on the display. If you did not receive the correct response, proceed to step 6 on page 35. If you do receive the correct response, proceed to step 7 on page 35. 6. Look at the following conditions and follow the instructions: · If you hear beep codes during POST, go to “Beep symptoms” on page 37. · If the computer displays a POST error, go to “POST error codes” on page 38. · If the computer hangs and no error is displayed, continue at step 7 on page 35. 7. Run the Diagnostic programs. See Chapter 6 “Diagnostics” on page 49. · If you receive an error, replace the part that the diagnostic program calls out. · If the test stops and you cannot continue, replace the last device tested.
Problem determination tips
Due to the variety of hardware and software combinations that can be encountered, use the following information to assist you in problem determination. If possible, have this information available when requesting assistance from Service Support and Engineering functions. · Machine type and model · Processor or hard disk drive upgrades · Failure symptom
­ Do diagnostics indicate a failure? ­ What, when, where, single, or multiple systems? ­ Is the failure repeatable? ­ Has this configuration ever worked?

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­ If it has been working, what changes were made prior to its failing? ­ Is this the original reported failure? · Diagnostics version ­ Type and version level · Hardware configuration ­ Print (print screen) configuration currently in use ­ BIOS level · Operating system software ­ Type and version level
Notes: To eliminate confusion, identical systems are considered identical only if they: 1. Are the exact machine type and models 2. Have the same BIOS level 3. Have the same adapters/attachments in the same locations 4. Have the same address jumpers/terminators/cabling 5. Have the same software versions and levels 6. Have the same Diagnostic Diskettes (version) 7. Have the same configuration options set in the system 8. Have the same setup for the operating system control files
Comparing the configuration and software set-up between “working and non- working” systems will often lead to problem resolution.

Symptom-to-FRU index
The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with “Service checkout” on page 35. This index can also be used to help you decide which FRUs to have available when servicing a computer. If you are unable to correct the problem using this index, go to “Undetermined problems” on page 41.
Notes:
· The Symptom-to-FRU index is not specific to any machine type and are applicable to all computers. · If you have both an error message and an incorrect audio response, diagnose the error message first. · If you cannot run the diagnostic tests or you get a diagnostic error code when running a test, but did
receive a POST error message, diagnose the POST error message first. · If you did not receive any error message, look for a description of your error symptoms in the first part of
this index.
Hard disk drive boot error
A hard disk drive boot error can have the following causes.

Error
The start-up drive is not in the boot sequence in configuration.
No operating system installed on the boot drive.

FRU/Action
Check the configuration and ensure that the start-up drive is in the boot sequence.
Install an operating system on the boot drive.

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Error The boot sector on the startup drive is corrupted.
The drive is defective.

FRU/Action
The drive must be formatted. Do the following: 1. Attempt to back up the data on the failing hard disk drive. 2. Using the operating system programs, format the hard disk drive.
Replace the hard disk drive.

Power supply problems
If you suspect a power problem, use the following procedures.

Check/Verify
Check the following for proper installation. · Power cord · On/Off switch connector · On/Off switch power supply connector · System board power supply connectors · Microprocessor connection
Check the power cord for continuity.
Check the power-on switch for continuity.

FRU/Action Reseat connectors
Power cord Power-on switch

Beep symptoms
Beep symptoms are tones or a series of tones separated by pauses (intervals without sound) during POST.
The following table describes the beep symptoms.

Beep symptom 2 short beeps: common POST error 3 short and 1 long beeps: DRAM memory error
4 long beeps: insufficient shadow RAM resources for option ROM (error code: 8998) or PCIe/PCI MMIO (memory mapped input/output) resources (error code: 8999) 2 long and 3 short beeps: graphics card error

FRU/Action Common POST error code. See the detailed failure information in “POST error codes” on page 38.
Perform the following actions in order: 1. Make sure that the memory modules are properly seated in the memory slots. 2. Replace the memory modules. 3. Replace the system board (for trained service personnel only).
See the detailed failure information in “POST error codes” on page 38.
Perform the following actions in order: 1. Make sure that the graphics cards are properly seated in the slots. 2. Replace the graphics cards. 3. Replace the system board (for trained service personnel only).

Chapter 4. Service checkout and symptom-to-FRU index 37

POST error codes
Each time you turn on the system, it performs a series of tests that check the operation of the system and some options. This series of tests are called the Power-On Self-Test, or POST. POST checks the following operations:
· Some basic system-board operations · Memory operation · Video operation · Whether the boot drive is working
If the POST detects a problem, an error message appears on the screen. A single problem might cause several error messages to appear. When you correct the cause of the first error message, the other error messages probably will not appear on the screen the next time.

Error code 0135
0162
0164 1762

POST error message CPU fan failure System fan failure Power fan failure Front fan failure Rear fan failure Auxiliary fan failure ODD fan failure Setup data integrity check failure
Memory configuration change has occurred
Storage device configuration change has occurred

Description/Action
This error message is displayed when a fan fails and the system might be overheating. Press F10 to exit.
This error indicates the checksum of BIOS Setup data in NVRAM is bad. In BIOS Setup, the “Save Changes and Exit” operation is needed in order to clear this error.
This error message is displayed when the memory size is changed. Press F10 to exit.
This error message is displayed when a hard disk drive change or an optical drive change has been made. Press F10 to exit.

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Error code 8998
8999

POST error message Not enough shadow RAM resources for OPTION ROM, not all devices initialized. Suggest to remove some add-on cards, or change to UEFI mode in BIOS setup.
Not enough PCIe/PCI MMIO resources. Currently only one video card is enabled. Remove some PCIe cards.

Description/Action
This error message is displayed when the shadow RAM resources for option ROM are insufficient.
If the legacy option ROM is insufficient, remove some add-in cards.
For the system that supports UEFI, set UEFI as the first priority.
This error message is displayed when the PCIe/PCI MMIO (memory mapped input/output) resources are insufficient.
Remove some add-in cards.

Miscellaneous error conditions

Message/Symptom Changing display colors

FRU/Action Display/Monitor

Computer will not power-off. See “Hard disk drive boot error” on page 36.
Computer will not RPL from server

1. Power Switch 2. System Board 3. Riser card, if installed.
1. Ensure that the network is in startup sequence as the first device or the first device after diskette.
2. Ensure that the network adapter is enabled for RPL. 3. Network adapter (Advise network administrator of
new MAC address)

Computer will not perform a Wake On LAN® (if applicable)

1. Check the power supply and signal cable connections to the network adapter.
2. Ensure that the operating system settings are set to enable Wake on LAN.
3. Ensure that the Wake On LAN feature is enabled in Setup/Configuration.
4. Ensure that the network administrator is using the correct MAC address.
5. Ensure no interrupt or I/O address conflicts.
6. Network adapter (advise network administrator of new MAC address)

Dead computer. See “Hard disk drive boot error” on page 36.

1. Power Supply 2. System Board

Diskette drive in-use light remains on or does not light when drive is active.

1. Diskette Drive 2. System Board 3. Diskette Drive Cable

Chapter 4. Service checkout and symptom-to-FRU index 39

Message/Symptom

FRU/Action

Blank screen except for flashing cursor.

1. System Board 2. Primary Hard Disk Drive 3. Hard Disk Drive Cable

Incorrect memory size during POST

1. Run the Memory tests. 2. Memory Module 3. System Board

“Insert a Diskette” icon appears with a known-good diagnostics diskette in the first 3.5-inch diskette drive.

1. System Board 2. Diskette Drive Cable 3. Network Adapter

Intensity or color varies from left to right of characters and color bars

1. Display 2. Video adapter (if present) 3. System Board

No power or fan not running

1. See “Hard disk drive boot error” on page 36.

Non-system disk or disk error-type message with a known-good diagnostic diskette.

1. Diskette Drive 2. System Board 3. Diskette Drive Cable

Other display symptoms not listed above (including blank or illegible display)

1. Display 2. System Board

Power-on indicator or hard disk drive in-use light not on, but computer works correctly

1. Power switch/LED assembly 2. System Board

Printer problems

1. Printer 2. System Board

Program loads from the hard disk with a known-good diagnostics diskette in the first 3.5-inch diskette drive

1. Run the Setup Utility program and check the Startup sequence.
2. Diskette Drive 3. Diskette Drive Cable 4. System Board 5. Power Supply

RPL computer cannot access programs from its own hard disk.

1. If the network administrator is using LCCM Hybrid RPL, check the startup sequence:
a. First device – network
b. Second device – hard disk
2. Hard disk drive

RPL computer does not RPL from server

1. Check the startup sequence. 2. Check the network adapter LED status.

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Message/Symptom Serial or parallel connector device failure (system board connector)
Serial or parallel connector device failure (adapter connector)
Some or all keys on the keyboard do not work

FRU/Action
1. External Device Self-Test OK? 2. External Device 3. Cable 4. System Board
1. External Device Self-Test OK? 2. External Device 3. Cable 4. Alternate Adapter 5. System Board
1. Keyboard 2. Keyboard Cable 3. System Board

Undetermined problems
This section provides instructions on how to find out the failing devices or adapters. 1. Turn off the computer. 2. Remove or disconnect the following components (if installed) one at a time. a. External devices (modem, printer, or mouse) b. Any adapters c. Memory modules d. Extended video memory e. External Cache f. External Cache RAM g. Hard disk drive h. Diskette drive 3. Turn on the computer to retest the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter.
If all devices and adapters have been removed, and the problem continues, replace the system board. See Chapter 7 “Hardware removal and installation” on page 53.
Recover from a BIOS update failure
1. Remove all media from the drives and turn off all connected devices. 2. Insert the BIOS update disc into the optical drive, and then turn off the computer. 3. Disconnect all power cords from electrical outlets. Then, remove any parts that impede access to the
Clear CMOS jumper. 4. Move the jumper from the standard position to the maintenance position. 5. Reconnect the power cords for the computer and the monitor to electrical outlets. 6. Turn on the computer and the monitor. When the computer beeps, the recovery process begins. 7. After the recovery process is completed, the computer will be turned off automatically.

Chapter 4. Service checkout and symptom-to-FRU index 41

Note: Depending on the computer model, the recovery process will take two to three minutes. 8. Disconnect all power cords from electrical outlets. 9. Move the jumper back to the standard position. 10. Reinstall all the parts that have been removed. Then, reconnect the power cords for the computer and
the monitor to electrical outlets. 11. Turn on the computer and the monitor. When the logo screen is displayed, press F1 or Fn+F1. 12. To prevent data loss, ensure that BIOS settings are restored to an earlier point.
Clear CMOS
1. Remove all media from the drives and turn off all connected devices and the computer. 2. Disconnect all power cords from electrical outlets. Then, remove any parts that impede access to the
Clear CMOS jumper. 3. Move the jumper from the standard position to the maintenance position. 4. Reconnect the power cords for the computer and the monitor to electrical outlets. 5. Turn on the computer and the monitor. When the computer beeps, wait for approximately 10 seconds. 6. Turn off the computer by holding the power button for approximately four seconds. 7. Disconnect all power cords from electrical outlets. 8. Move the jumper back to the standard position. 9. Reinstall all the parts that have been removed. Then, reconnect the power cords for the computer and
the monitor to electrical outlets. 10. Turn on the computer and the monitor. When the logo screen is displayed, press F1 or Fn+F1. 11. To prevent data loss, ensure that BIOS settings are restored to an earlier point.
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Chapter 5.

RAID

What is RAID
Redundant Array of Independent Disks (RAID) is a technology that provides increased storage functions and reliability through redundancy. It also can improve data storage reliability and fault tolerance compared with single- drive storage systems. Data loss resulting from a drive failure can be prevented by reconstructing missing data from the remaining drives.
When a group of independent physical storage drives is set up to use RAID technology, they are in a RAID array. This array distributes data across multiple storage drives, but the array appears to the host computer as one single storage unit. Creating and using RAID arrays provides high performance, such as the expedited I/O performance, because several drives can be accessed simultaneously.
Configure RAID with RAIDXpert2 Configuration Utility
If your computer comes with the RAIDXpert2 Configuration Utility , you can follow the sections below to configure RAID.
Select RAID mode You can select the SATA RAID mode or NVMe RAID mode to configure RAID with RAIDXpert2 Configuration Utility.
1. Do one of the following to select the SATA RAID mode or NVMe RAID mode:
· SATA RAID mode: a. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. b. Select Devices Storage Setup Configure SATA as (AHCI/RAID). c. Select RAID.
· NVMe RAID mode: a. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. b. Select Devices NVMe Setup NVMe RAID Mode (Enabled/Disabled). c. Select Enabled.
2. Press F10 or Fn+F10 to save the changes and exit. 3. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 4. Select Devices RAIDXpert2 Configuration Utility to select drives and configure RAID.
Storage drive requirements for RAID levels CAUTION: Multiple operating systems are not supported on AMD-RAID Array. If the system is booted from an AMD-RAID bootable array, the first array in the Arrays section must be the bootable array. The system boots only from the first array in the Arrays section. Find the first array by viewing array details and checking the array number.
Your computer supports the following RAID levels:
· RAID 0: striped disk array
­ Provide the highest performance but no data redundancy. Data in the array is striped (distributed) across several disks.

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­ Support 2-8 disks. ­ RAID 0 arrays are useful for holding information, such as the operating system paging file, where
performance is extremely important but redundancy is not. · RAID 1: mirrored disk array
­ Mirror data on a partition of one disk to another. ­ Support 2 disks. ­ RAID 1 arrays are useful when there are only two disks available and data integrity is more important
than storage capacity. · RAID 5: block-level striped disk array with distributed parity
­ Stripe data as well as parity, across all disks in the array. ­ Support 3-8 disks. ­ Offer exceptional read performance and redundancy. · RAID 10: striped and mirrored disk array (a combination of RAID 0 and RAID 1)
­ Combine mirrors and stripe sets. RAID 10 allows multiple disk failures, up to 1 failure in each mirror that has been striped.
­ Support 4, 6, or 8 disks. ­ Offer better performance than a simple mirror because of the extra disks. Require twice the disk space
of RAID 1 to offer redundancy. · Volume (JBOD):
­ RAIDXpert2 Configuration Utility treats one or more disks or the unused space on a disk as a single array.
­ Support 1-8 disks. ­ Provide the ability to link-together storage from one or several disks, regardless of the size of the space
on those disks. It is useful in scavenging space on disks unused by other disks in the array. It does not provide performance benefits or data redundancy. Disk failure will result in data loss.
Initialize disks New disks and legacy disks must be initialized before they can be used to create an AMD-RAID array. Initialization writes AMD-RAID configuration information (metadata) to a disk.
CAUTION:
· If a disk is part of an AMD-RAID array, the disk cannot be selected for initialization. To initialize the disk anyway, delete the AMD-RAID array. Data on the disk is deleted during initialization so ensure the correct disks are chosen to initialize.
· A legacy disk can contain valid data. When a legacy array is deleted, all data on the disk is lost. 1. Enter the RAIDXpert2 Configuration Utility menu. Then, use the arrow keys to select Physical Disk Management and press Enter. 2. Use the arrow keys to select Select Physical Disk Operations and press Enter. 3. Use the arrow keys to select Initialize Disk and press Enter. 4. Select the disk(s) to initialize: a. Use the arrow keys to select a disk and press the Space Bar or Enter. Multiple disks can be selected using this method. b. Use the arrow keys to select OK and press Enter. c. Review the warning message. If you want to proceed, use the arrow keys to select YES and press Enter.
44 ThinkStation P8 Hardware Maintenance Manual

Note: The Initialization process takes about 10 to 15 seconds. During initialization, a complete rescan of all channels is done automatically.
Create arrays Arrays can be created after the disks are initialized:
1. Enter the RAIDXpert2 Configuration Utility menu. Then, use the arrow keys to select Array Management and press Enter.
2. Use the arrow keys to select Create Array and press Enter. 3. Use the arrow keys to select Select RAID Level RAID Level and press Enter.
Note: Some of the RAID levels might not be displayed because the number of installed storage drives varies. 4. Select the disks with which to create the array: a. Use the arrow keys to select Physical Disks and press Enter. b. Use the arrow keys to select desired disks and press the Space Bar or Enter. c. Use the arrow keys to select Apply Changes and press Enter. 5. Refer to the table below for the default cache tag size (CTS).

Array type HDD Array SSD Array All NVMe Array

Default CTS 64k 64k 256k

6. Use the arrow keys to select Read Cache Policy and press Enter. Select the desired read cache policy and press Enter.
7. Use the arrow keys to select Write Cache Policy and press Enter. Select the desired write cache policy and press Enter.
8. Use the arrow keys to select Create Array and press Enter.

Delete arrays
CAUTION:
· Deleting an array permanently destroys all data that is on the array. This action cannot be recalled and it is very unlikely the data can be recovered.
· Do not delete the first array listed in the Arrays section, if it is the AMD-RAID bootable array. Doing this deletes the operating system and AMD-RAID files.
1. Enter the RAIDXpert2 Configuration Utility menu. Then, use the arrow keys to select Array Management and press Enter.
2. Use the arrow keys to select Delete Arrays and press Enter. 3. Select the array(s) to delete:
a. Use the arrow keys to select the desired array or multiple arrays, then press the Space Bar or Enter to change the option to Enabled for deletion.
b. If you want to select all of the arrays, use the arrow keys to select Check all and press Enter. c. Use the arrow keys to select Delete Array and press the Space Bar or Enter. d. Review the warning message. If you want to proceed, press the Space Bar or Enter.
e. Use the arrow keys to select Yes to delete arrays.

Chapter 5. RAID 45

View array details This option displays the details of an array. Nothing can be changed using this menu option. It is for informational purposes only.
1. Enter the RAIDXpert2 Configuration Utility menu. Then, use the arrow keys to select Array Management and press Enter.
2. Use the arrow keys to select Select Manage Array Properties and press Enter. 3. Use the arrow keys to select Select Array and press Enter. Select the desired array and press Enter. 4. Use the arrow keys to select View Associated Physical Disks and press Enter. 5. Press the Space Bar to select one of the members of the Array. 6. Use the arrow keys to select View Physical Disk Properties and press Enter. 7. Information about the array is displayed below Select Array header:
· Array number · RAID level · State · Size · Cache Tag Size · Cache settings · Associated physical disks 8. To view another array, press ESC twice and perform steps 2 through 7 again. 9. Press ESC to exit the main menu.
Configure RAID with MegaRAID Configuration Utility
To configure RAID with MegaRAID Configuration Utility, ensure that: · A MegaRAID adapter is installed on your computer. · The storage drives used for RAID configuration are connected to the installed MegaRAID adapter instead
of the system board.
Storage drive requirements for RAID levels Your computer supports the following RAID levels: · RAID 0: striped disk array
­ Consists of at least two NVMe storage drives ­ Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB ­ Better performance without fault tolerance
CAUTION: RAID 0 does not support any data redundancy. Use RAID 0 with caution. If a drive in the RAID 0 array fails, the data will be lost and there is no way to get it recovered. · RAID 1: mirrored disk array ­ Consists of two or four NVMe storage drives ­ Improved read performance and 100% redundancy · RAID 10: striped and mirrored disk array (a combination of RAID 0 and RAID 1) ­ Consists of four NVMe storage drives
46 ThinkStation P8 Hardware Maintenance Manual

­ Data being striped across storage drive groups ­ Provides both high data transfer rates and complete data redundancy · RAID 5: block-level striped disk array with distributed parity
­ Consists of at least three NVMe storage drives ­ Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB ­ Better performance and fault tolerance ­ Available only on selected models of MegaRAID adapters · RAID 6: block-level striped disk array with dual distributed parity
­ Consists of at least four NVMe storage drives ­ Supported strip size: 64 KB, 128 KB, 256 KB, 512 KB, or 1 MB ­ Better performance and fault tolerance that can stand up to loss of two storage drives ­ Available only on selected models of MegaRAID adapters
Create a RAID volume Attention: All the existing data stored on the selected drives will be erased while the RAID volume is being created.
To create a RAID volume: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Devices MegaRAID Configuration Utility and press Enter. 3. Select Main Menu and press Enter. 4. Select Configuration Management and press Enter. 5. Select Create Virtual Drive and press Enter. 6. Select and configure the options one by one. a. Select RAID Level: You can set the RAID level to one of the following: · RAID0 · RAID1 · RAID5 · RAID6 · RAID10
Note: Some of the RAID levels might not be displayed because the number of installed storage drives and the model of the MegaRAID adapter vary. b. Select Drives From: Select Unconfigured capacity or Free capacity depending on your needs and press Enter. c. Select Drives: Select a storage drive and press Enter. After selecting all storage drives for creating the RAID volume, select Apply Changes and press Enter. When promoted, select Confirm and press Enter. Then, select Yes and press Enter to save the storage drive selection. Finally, select OK and press Enter. d. Virtual Drive Name: You can type a preferred name for the volume name. e. Strip Size (if applicable): Select a strip size and press Enter. 7. Select Save Configuration and press Enter. When promoted, select Confirm and press Enter. Then, select Yes and press Enter to confirm the creation of the RAID volume. 8. Press F10 or Fn+F10 to save the changes and exit.
Chapter 5. RAID 47

View the information about a RAID volume To view the information about a RAID volume:
1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Devices MegaRAID Configuration Utility and press Enter. 3. Select Main Menu and press Enter. 4. Select Virtual Drive Management and press Enter. 5. Select a RAID volume and press Enter to view the detailed information. 6. Press F10 or Fn+F10 to save the changes and exit.
Virtual drive state Virtual drive can be in one of the following states:

State Optimal Partially Degraded
Degraded Offline

Display in the output of StorCLI commands optl Pdgd
dgrd
OfLn

Virtual drive status
All members of the virtual drive are online.
The virtual drive is capable of sustaining more than one member drive’s failure. Currently, only a RAID 6 or RAID 60 virtual drive can be partially degraded.
One or more member drives have failed. The virtual drive can no longer sustain a subsequent drive failure.
One or more member drives have failed. Virtual drive data has lost.

CAUTION: Continuously monitor the RAID volume status to save drives from undesired data loss. If there is any drive failure, remove the failing drive and install a new one.
Delete a RAID volume Attention: All the existing data stored on the selected drives will be erased after you delete RAID volumes.
To delete a RAID volume: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Devices MegaRAID Configuration Utility. 3. Select Main Menu and press Enter. 4. Select Virtual Drive Management and press Enter. 5. Select the RAID volume that is not needed and press Enter. 6. Under Operation, select Delete Virtual Drive and press Enter. 7. Select Go and press Enter. When prompted, select Confirm and press Enter. Then, select Yes and press Enter to delete the RAID volume. 8. Press F10 or Fn+F10 to save the changes and exit.

48 ThinkStation P8 Hardware Maintenance Manual

Chapter 6.

Diagnostics

Use diagnostic solutions to test hardware components and report operating- system-controlled settings that interfere with the correct operation of your computer.
Basic procedure for resolving computer problems
Prerequisite Before you start, read Chapter 1 “Important safety information” on page 1 and print the following instructions.
1. Check that: a. The cables for all connected devices are connected correctly and securely. b. All components have been reassembled correctly. c. All connected devices that require ac power are connected to properly grounded and working electrical outlets. d. All connected devices are enabled in UEFI BIOS.
2. Use an antivirus program to see if the computer has been infected by a virus. If the program detects a virus, remove the virus.
3. Go to “Self-help resources” on page 51 and follow the instructions for the type of problem you are experiencing.
4. Run the diagnostic program. 5. Recover your operating system. See “Self- help resources” on page 51. 6. If the problem persists, contact Lenovo.
UEFI diagnostic program
A UEFI diagnostic program is preinstalled on the computer. It enables you to test memory modules and internal storage devices, view system information, and check and recover bad sectors on internal storage devices.
To run the UEFI diagnostic program, do the following: 1. Turn on the computer. If the computer cannot be turned on, go to “Basic procedure for resolving computer problems” on page 49. If an error code is displayed, go to “Symptom- to-FRU index” on page 36 for error code descriptions and troubleshooting hints. 2. Repeatedly press and release the F10 key when turning on the computer. The main screen of the UEFI diagnostic program is displayed. 3. Follow the instructions on the screen to use the diagnostic program.
The options on the main screen are as follows:

© Copyright Lenovo 2024

49

Table 1. Options on the main screen of the UEFI diagnostic program

DIAGNOSTICS

TOOLS

· CPU [U] · DISPLAY [D] · MEMORY [E] · MOTHERBOARD [H] · PCI EXPRESS [P] · STORAGE [S] · AUDIO [Z] · OPTICAL [O] · RUN ALL [R]

· SYSTEM INFORMATION [F1] · BAD BLOCK RECOVERY [F3] · SMART INFORMATION [F5]

Note: The options on the main screen might vary, depending on the hardware configuration and the UEFI diagnostic program version preinstalled on the computer.

Use ThinkStation diagnostic tool
When an error message pops up in the Windows notification area, a four-digit error code is displayed on the diagnostic panel (for selected models) on the front panel, or the diagnostic indicator on the front panel turns on, do one of the following:
· If ThinkStation Diagnostics can be launched properly: 1. Click the error message or the ThinkStation Diagnostics icon to launch the program. 2. All events are logged locally in the program. Locate the related event and view the event log to find possible solutions. 3. Record the four-digit error code displayed on the diagnostic panel (for selected models) or in ThinkStation Diagnostics, and then decode the error at https://www.thinkworkstationsoftware.com/ codes.
Note: You can download ThinkStation Diagnostics at https://pcsupport.lenovo.com/ lenovodiagnosticsolutions/downloads. · If your computer does not function:
1. Use your smartphone to scan the QR code displayed on the diagnostic panel to open https:// www.thinkworkstationsoftware.com/codes.
2. Decode the error according to the four-digit error code displayed on the diagnostic panel.
For more information, go to https://www.thinkworkstationsoftware.com/diags.

Use the Vantage app
The Vantage app is preinstalled on your computer. To diagnose problems with the Vantage app: 1. Type Vantage in the Windows search box and press Enter. 2. Follow the on-screen instructions and run a hardware scan.
If you are unable to isolate and resolve the problem after running the Vantage app, save and print the log files created by the program. You might need the log files when you speak to a Lenovo technical support representative.

50 ThinkStation P8 Hardware Maintenance Manual

Self-help resources
Use the following self-help resources to learn more about the computer and troubleshoot problems.

Resources

How to access?

Troubleshooting and frequently asked questions Accessibility information

· https://www.lenovo.com/tips · https://forums.lenovo.com
https://www.lenovo.com/accessibility

Reset or restore Windows
Use the Vantage app to: · Configure device settings. · Download and install UEFI BIOS, drivers and firmware
updates. · Secure you computer from outside threats. · Diagnose hardware problems. · Check the computer warranty status. · Access User Guide and helpful articles. Note: The available features vary depending on the computer model. Product documentation: · Safety and Warranty Guide · Generic Safety and Compliance Notices · Setup Guide · This User Guide · Regulatory Notice

· Use Lenovo recovery options. 1. Go to https://support.lenovo.com/ HowToCreateLenovoRecovery. 2. Follow the on-screen instructions.
· Use Windows recovery options. 1. Go to https://pcsupport.lenovo.com. 2. Detect your computer or manually select your computer model. 3. Navigate to the troubleshooting menu to diagnose the operating system for recovery instructions.
Type Vantage in the Windows search box.
Go to https://pcsupport.lenovo.com. Then, follow the onscreen instructions to filter out the documentation you want.

Chapter 6. Diagnostics 51

Resources Lenovo Support Web site with the latest support information of the following: · Drivers and software · Diagnostic solutions · Product and service warranty · Product and parts details · Knowledge base and frequently asked questions
Windows help information

How to access?
https://pcsupport.lenovo.com
· Type Get Help or Tips in the Windows search box. · Use Windows Search or the Cortana® personal
assistant. · Microsoft support Web site:
https://support.microsoft.com

52 ThinkStation P8 Hardware Maintenance Manual

Chapter 7.

Hardware removal and installation

This chapter provides instructions on how to remove and install hardware for your computer.

Before hardware replacement
Before replacing hardware of the computer, read this section first. You will get to know tools needed, FRU and CRU list, system board connectors, and prerequisites for hardware replacement.
Service tool kit
Ensure that the following common service tool kit is prepared before you service the computer.

No.

Tool name

Specific

Product scope

Tool type

1

Screw driver: Phillips Head 0

PH0

All

Common tool

2

Screw driver: Phillips Head 00

PH00

All

Common tool

3

Screw driver: Phillips Head 01

1

All

Common tool

4

Screw driver: Phillips Head 01

1, Shank length greater than 6

ThinkSation/DT

Common tool

inches

5

Screw driver: Phillips Head 02

2, Shank length greater than 6 ThinkSation/SC/DT Common tool

inches

6

Screw driver: Torx Head T5

T5

IdeaPad

Common tool

7

Screw driver: Torx Head T15

T15, for Chassis outside

ThinkSation

Common tool

8

Screw driver: Torx Head T20

T20, Shank length greater than

ThinkSation

6 inches, for heatsink and CPU

9

Screw driver: Torx Head T30

T30, Shank length greater than

ThinkSation

6 inches, for heatsink and CPU

10

Pry tools 1

N/A

All

Common tool Common tool Common tool

11

Tweezers (conductive)

N/A

All

Common tool

© Copyright Lenovo 2024

53

No.

Tool name

Specific

Product scope

Tool type

12

Tweezers (isolated)

N/A

All

Common tool

13

Suction cup

N/A

All

Common tool

14

Hexagonal socket (for VGA )

H5 mm or 4.8 mm

ThinkCentre/Tiny

Common tool

15

Hexagonal socket (for

Tiny antenna)

H8 mm

ThinkCentre/Tiny

Common tool

16

Ajustable Torque Screwdriver

0.2 Nm to 4.0 Nm,

All

Threadripper CPU, CAMM, etc

Common tool

17

ESD Mat

ESD Mat

All

Common tool

18

USB Flash Drives

19

USB-C to USB-A Converter

For Golden Key, Chrome Reloads, AutoPilot, etc
For USB-C only systems

All

Common tool

All

Common tool

20

SSD/WWAN/IC Thermal pad

Variety of thickness, most

All

common 0.5mm thickness pad

under the component

21 Silicone grease for CPU or heatsink

N/A

All

repairing

22

Polyamide tape

N/A

All

Consumable Consumable Consumable

23

Mylar tape

N/A

All

Consumable

24

Eraser

N/A

All

Consumable

25

Electrical tape

N/A

All

Consumable

26

Double sided tape

N/A

All

Consumable

27

Conductive tape

N/A

All

Consumable

28

Cleaning pads/wipes

N/A

All

Consumable

54 ThinkStation P8 Hardware Maintenance Manual

No.

Tool name

Specific

Product scope

Tool type

29

Heat gun

30

Brown brush

N/A 25 mm to 35 mm wide

All

Special Tool

(Depot only)

All

Special tool

31

Contact Cleaner Spray

32

Hexagonal socket

WD-40 Contact Cleaner for battery connector
17 mm

ThinkPad X1 Carbon
Yoga AIO 7 27ACH6/ Yoga AIO 7 27ARH6

Special tool Special tool

Note: The silicone grease can be applied to the surfaces of the microprocessor and heat sink to eliminate air gaps. For parts with silicone grease applied, it is suggested that you apply new grease during the installation.
Major FRUs and CRUs
Your computer contains the following types of CRUs and FRUs:
· Self-service CRUs: Refer to parts that can be replaced easily by customer themselves or by trained service technicians at an additional cost.
· Optional-service CRUs: Refer to parts that can be replaced by customers with a greater skill level. Trained service technicians can also provide service to replace the parts under the type of warranty designated for the customer’s machine.
· FRUs: Refer to parts that must be replaced only by trained service technicians. If customers choose to replace the FRUs by themselves, the product warranty might be affected.

Chapter 7. Hardware removal and installation 55

56 ThinkStation P8 Hardware Maintenance Manual

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
26 27 28 29 30 31 32 33 34 35 36

Description Side cover NVLINK retainer Top cover Optional internal storage drive cage CPU heat sink CPU M.2 SSD heat sink kit M.2 SSD M.2 SSD holder Intrusion switch Internal speaker Chassis ThinkStation LED ThinkStation LED holder ThinkStation Logo badge Computer ID badge Thermal sensor Upper PCIe fan Blank bezel Front-access storage fan PCBA of 15-in-1 media card reader 15-in-1 media card reader NVMe storage tray M.2 SSD storage box Locks and keys for side cover and M.2 SSD storage box Front panel I/O assembly Fan grommets Keyboard Mouse Power cord Wi-Fi card Wi-Fi card cover U.2 or U.3 SSD U.2 or U.3 SSD bracket HDD HDD bracket*

Self-service CRU Yes Yes Yes Yes No No Yes Yes Yes No No No Yes Yes Yes Yes No Yes Yes Yes No No Yes Yes Yes

Optional-service CRU No No No No No No No No No No Yes No No No No No No No No No Yes Yes No No No

No

Yes

Yes

No

Yes

No

Yes

No

Yes

No

No

No

No

No

Yes

No

Yes

No

Yes

No

Yes

No

Chapter 7. Hardware removal and installation 57

Number 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
56

Description M.2 SSD bracket Lower PCIe fan Internal storage drive fan NVMe cable bracket Front fan PCIe bracket Power supply assembly Rear fan Rear power button Memory fan and air duct Memory module System board Front Wi-Fi antenna Rear Wi-Fi antenna Wi-Fi antenna cover PCIe card Serial connector cable Customized PCIe card extender Super capacitor module Fiber modules for NVIDIA ConnectX-6 Ethernet Adapter NVLINK bridge

Self-service CRU Yes Yes Yes No Yes Yes Yes Yes No Yes Yes No No No Yes Yes No Yes Yes Yes

Optional-service CRU No No No No No No No No No No No No No No No No Yes No No No

No

Yes

• for selected models
  For detailed FRU and CRU information, such as the FRU part numbers and supported computer models, go to: http://www.lenovo.com/serviceparts-lookup
  System board illustration
  Note: The system board might look slightly different from the illustration.

58 ThinkStation P8 Hardware Maintenance Manual

Item 1 Internal speaker connector 3 Wi-Fi socket 5 M.2 SSD slot 1 7 Upper PCIe (slot1­4) fan connector 9 Internal storage drive cage power connector 2 11 Graphics card power connector 1 13 Front-panel I/O connector 15 Front-access storage fan connector 17 Internal USB-A 2.0 connector 19 Front-access storage bay connector 21 SATA 2 connector 23 Internal USB-A 3.2 Gen 2 connector 25 M.2 SSD slot 3 27 Memory slot 5 (DIMM 5) 29 Memory slot 7 (DIMM 7)

Item 2 Coin-cell battery 4 M.2 SSD slot 2 6 Cover presence switch (intrusion switch) connector 8 Internal storage drive cage power connector 1 10 Internal storage drive cage slot 1 12 Graphics card power connector 3 14 Front fan connector 16 Internal storage drive fan connector 18 CPU fan connector 1 20 SATA 3 connector 22 ThinkStation LED connector 24 SATA 1 connector 26 TCM connector 28 Memory slot 6 (DIMM 6) 30 Memory slot 8 (DIMM 8)

Chapter 7. Hardware removal and installation 59

Item 31 Power supply connector 33 PCIe slot 7 – Gen 4 x 8 35 PCIe slot 5 – Gen 5 x 16 37 Serial port (COM) connector 39 Internal storage drive cage slot 2 41 Lower PCIe (slot5­7) fan connector 43 Memory slot 3 (DIMM 3) 45 Memory slot 1 (DIMM 1) 47 Rear fan connector 49 PCIe slot 3 – Gen 5 x 16 51 PCIe slot 1 – Gen 5 x 16

Item 32 BMC card connector 34 PCIe slot 6 – Gen 5 x 16 36 CPU fan connector 2 38 Memory fan 2 connector 40 Graphics card power connector 2 42 Memory slot 4 (DIMM 4) 44 Memory slot 2 (DIMM 2) 46 Memory fan 1 connector 48 PCIe slot 4 – Gen 5 x 8 50 PCIe slot 2 – Gen 5 x 8

Prerequisites for hardware replacement

General prerequisites Read Generic Safety and Compliance Notices.
Prerequisites for opening computer cover ·

During operation, some components become hot enough to burn the skin. Before you open the computer cover, remove any media from the drives, turn off the computer and connected devices, disconnect power, remove all cables and locking devices, and wait approximately 10 minutes until the computer is cool.
· Before reaching parts with cables, record the cable routing for future reference and then disconnect its cable from the system board.
Prerequisites for storage drive replacement
Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and loss of data. When handling the internal storage drive, observe the following guidelines:
· Replace the internal storage drive only for repair. The internal storage drive is not designed for frequent changes or replacement.
· Before replacing the internal storage drive, make backup copy of all the data that you want to keep.
· Do not touch the contact edge of the internal storage drive. Otherwise, the internal storage drive might get damaged.
· Do not apply pressure to the internal storage drive.
· Do not make the internal storage drive subject to physical shocks or vibration. Put the internal storage drive on soft material, such as a cloth, to absorb physical shocks.

60 ThinkStation P8 Hardware Maintenance Manual

Prerequisites for hot-swappable M.2 SSD storage box replacement For some computer models, an NVMe storage tray might be installed in the front-access storage bay. The M.2 SSD storage box( 2 ) in the NVMe storage tray( 1 ) can be hot-swappable, which means you can replace the M.2 SSD inside without even turning off your computer.
Attention: To avoid damage and loss of data, observe the following guidelines before replacing the hotswappable M.2 SSD storage box: · Ensure that NVMe RAID mode is disabled. · Ensure that the operating system of your computer does not reside on the M.2 SSD inside the hot-
swappable M.2 SSD storage box. · Lock the M.2 SSD storage box to prevent unexpected removal. The keys are attached to the rear of the
computer. For security, store the keys in a secure place.
Handling static-sensitive devices
Do not open the static-protective package containing the new part until the defective part has been removed and you are ready to install the new part. Static electricity, although harmless to you, can seriously damage computer components and options. When you handle options and other computer components, take these precautions to avoid static-electricity damage: · Limit your movement. Movement can cause static electricity to build up around you. · Always handle options and other computer components carefully. Handle PCI/PCIe cards, memory
modules, system boards, and microprocessors by the edges. Never touch any exposed circuitry. · Prevent others from touching the options and other computer components. · Touch the static-protective package containing the part to a metal expansion-slot cover or other
unpainted metal surface on the computer for at least two seconds. This reduces static electricity from the package and your body before you install or replace a new part. · When possible, remove the new part from the static- protective package, and install it directly in the computer without setting the part down. When this is not possible, place the static-protective package on a smooth, level surface and place the part on the package. · Do not place the part on the computer cover or other metal surface.
Removing and installing hardware
This section provides instructions on how to remove and install hardware for your computer.
Chapter 7. Hardware removal and installation 61

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter 1 “Important safety information” on page 1.
ThinkStation logo badge
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
Computer ID badge
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
Top cover
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
62 ThinkStation P8 Hardware Maintenance Manual

Removal steps Installation steps
Chapter 7. Hardware removal and installation 63

Wi-Fi antenna cover
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Top cover” on page 62. 2. Remove the Wi-Fi antenna cover.
Side cover
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Lay the computer on its side for easier access to the side cover. 2. Press to open the side cover handle and remove the side cover.
64 ThinkStation P8 Hardware Maintenance Manual

Installation steps Chapter 7. Hardware removal and installation 65

NVLINK retainer
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
Removal steps 1. Remove the “Side cover” on page 64. 2. Remove the NVLINK retainer.

Screw (quantity) M3 x 5 mm, Ni coated (1)

Color Black

Torque 5.0 ± 0.5 lb/in

Power supply assembly
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
Removal steps 1. Remove the “Side cover” on page 64.

66 ThinkStation P8 Hardware Maintenance Manual

2. Remove the power supply assembly.
Optional internal storage drive cage
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Remove the optional internal storage drive cage.
HDD in optional internal storage drive cage
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts, if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67
2. Remove the HDD with its bracket from the optional internal storage drive cage. Chapter 7. Hardware removal and installation 67

3. Remove the HDD from its bracket.
Note: When the computer is installed with NVIDIA Quadro SYNC II card or GeForce 40X0 graphics card, do not install 3.5-inch HDD in the optional internal storage drive cage.
HDD in the internal storage drive cage
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Remove the HDD with its bracket from the internal storage drive cage.
68 ThinkStation P8 Hardware Maintenance Manual

3. Remove the HDD from its bracket.
U.2 or U.3 SSD in the internal storage drive cage
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Remove the U.2 or U.3 SSD with its bracket from the internal storage drive cage.
Chapter 7. Hardware removal and installation 69

3. Remove the U.2 or U.3 SSD from its bracket.

Screw (quantity) M3 x 3.75 mm, Zn coated (4)

Color Black

Torque 5.0 ± 0.5 lb/in

70 ThinkStation P8 Hardware Maintenance Manual

Screw (quantity) M3 x 2 mm, Zn coated (2)

Color Blue

Torque 5.0 ± 0.5 lb/in

M.2 SSD bracket in internal storage drive cage
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Remove the M.2 SSD bracket from the chassis.
Chapter 7. Hardware removal and installation 71

NVMe cable bracket
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “U.2 or U.3 SSD in internal storage drive cage” on page 69 c. “M.2 SSD bracket in internal storage drive cage” on page 71
2. Remove the internal storage drive cage.
72 ThinkStation P8 Hardware Maintenance Manual

Screw (quantity) M3 x 5 mm, Ni coated (2)

Color Black

3. Remove the NVMe cable bracket.

Torque 5.0 ± 0.5 lb/in

Screw (quantity) M3 x 5 mm, Ni coated (4)

Color Black

Torque 5.0 ± 0.5 lb/in
Chapter 7. Hardware removal and installation 73

Devices in the front-access storage bay
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “Front fan” on page 86 d. “Front- access storage fan” on page 88
2. Remove device in the front-access storage bay, which can be NVMe storage tray, 15-in-1 media card reader, or blank bezel. · NVMe storage tray / 15-in-1 media card reader:
PCBA of 15-in-1 media card reader:
74 ThinkStation P8 Hardware Maintenance Manual

Screw (quantity) M3 x 4 mm, Zn coated (1)

Color Blue

Torque 3.0 ± 0.5 lb/in

Screw (quantity) M3 x 5 mm, Ni coated (4) · Blank bezel:

Color Black

Torque 5.0 ± 0.5 lb/in

M.2 SSD storage box in NVMe storage tray
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps Notes: · 1 NVMe storage tray · 2 M.2 SSD storage box
Chapter 7. Hardware removal and installation 75

You might need to use the key attached at the rear of the computer to unlock the M.2 SSD storage box.
M.2 SSD in M.2 SSD storage box
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “M.2 SSD storage box in NVMe storage tray” on page 75 2. Remove the M.2 SSD heatsink kit.
76 ThinkStation P8 Hardware Maintenance Manual

Screw (quantity) M2 x 3.6 mm, Zn coated (2) 3. Remove the M.2 SSD.

Color Blue

Torque 1.5± 0.2 lb/in

Screw (quantity) M2 x 4.5 mm, Zn coated (1)

Color Black

Torque 1.5± 0.2 lb/in

On-board M.2 SSD
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
Removal steps 1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 2. Remove the M.2 SSD with its heatsink kit.

Chapter 7. Hardware removal and installation 77

3. Remove the M.2 SSD from its heatsink kit.
Installation steps 1. Install the M.2 SSD to its heatsink kit.
78 ThinkStation P8 Hardware Maintenance Manual

2. Install the M.2 SSD with its heatsink kit.
NVLINK bridge
· Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. · The NVLINK bridge is shipped in an accessary box within the computer carton box. You need to take it
out from the packaging and install it by yourself. Installation steps
1. Remove the “Side cover” on page 64. 2. Install the NVLINK bridge.
Chapter 7. Hardware removal and installation 79

Removal steps 1. Remove the “Side cover” on page 64. 2. Remove the NVLINK bridge.
PCIe card bracket
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Open the handle and remove the PCIe card bracket.
80 ThinkStation P8 Hardware Maintenance Manual

Half-length PCIe card
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Remove the PCIe card.
a. Remove the PCIe card retainer. The PCIe card retainer is only available on some PCIe cards.
b. Open the handle and remove the PCIe card. The card might fit tightly into the slot. If necessary, alternately move each side of the card a small amount until the card is removed from the slot.
c. For NVIDIA ConnectX-6 Ethernet Adapter card, the following fiber modules can be removed.
Chapter 7. Hardware removal and installation 81

Full-length PCIe card
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Remove the PCIe card.
a. Open the handle.
b. Remove the PCIe card. The card might fit tightly into the slot. If necessary, alternately move each side of the card a small amount until the card is removed from the slot.
82 ThinkStation P8 Hardware Maintenance Manual

c. Remove the PCIe card extender if needed.
Notes:
· For computer models with GFX RTX 4000 Ada, the graphics card and the PCIe card extender work as a CRU assembly. Do not try to remove the extender.
· For computer models with double-width or wider graphics cards (such as NVIDIA RTX 6000 Ada and GeForce RTX 40X0), the PCIe card extender is a customized CRU part. You can remove it according to the following illustration.
· If you want to install a double-width or wider graphics card, install the customized PCIe card extender first.

Screw (quantity) M3 x 5.5 mm, Nickle coated (2)

Color Black

Torque 3-3.5 lb/in

PCIe card installation order
· Before installing PCIe card, you need to remove “PCIe card bracket” on page 80. · Install PCIe cards according to the corresponding slot types and the following illustrated installation order:

· If you replace a Geforce RTX 40X0 graphics card, do not change its installation slot. Chapter 7. Hardware removal and installation 83

Cable connection
Note: The connectors on the cards or system board might look slightly different from the illustrations.
Figure 1. Cable connection for BCM9560 RAID AIC Notes: · C0 connector priority is higher than C1 connector. · Internal storage drive cage priority: 1a, 1b, and 5. See “Expansion modules” on page 30.
84 ThinkStation P8 Hardware Maintenance Manual

Figure 2. GFX GV100/RTX A5000/RTX A4000 Aux power connection
Figure 3. GFX RTX A6000 Aux power connection Chapter 7. Hardware removal and installation 85

Figure 4. Cable connection for NVIDIA Quadro SYNC II card
Front fan
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67
2. Remove the front fan.
Rear fan
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64
86 ThinkStation P8 Hardware Maintenance Manual

b. “Optional internal storage drive cage” on page 67 2. Remove the rear fan.
Upper PCIe fan
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “Front fan” on page 86
2. Remove the upper PCIe fan.
Lower PCIe fan and internal storage drive fan
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: Chapter 7. Hardware removal and installation 87

a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “Front fan” on page 86 2. Remove the lower PCIe fan and internal storage drive fan together.
3. Remove the internal storage drive fan.
Front-access storage fan
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67
2. Remove the front-access storage fan. 88 ThinkStation P8 Hardware Maintenance Manual

Memory fan and air duct
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67
2. Remove the memory fan and air duct.
Memory module
· Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. · Do not replace the memory module until the LED indicator on the system board goes off. It indicates that
the system is completely discharged of electricity.
Chapter 7. Hardware removal and installation 89

Removal steps 1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “Memory fan and air duct” on page 89
Installation steps
Note: Ensure that you install memory modules in the order shown in the following illustration.
90 ThinkStation P8 Hardware Maintenance Manual

Front panel I/O assembly
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “Front fan” on page 86 d. “Upper PCIe fan” on page 87
2. Remove the front panel I/O assembly.
ThinkStation LED and holder
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “Front fan” on page 86 d. “Lower PCIe and internal storage drive fan” on page 87
2. Remove the ThinkStation LED.
Chapter 7. Hardware removal and installation 91

3. Remove the ThinkStation LED holder.
Internal speaker
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “Front fan” on page 86 d. “Rear fan” on page 86 e. “Lower PCIe and internal storage drive fan” on page 87
2. Remove the internal speaker.
92 ThinkStation P8 Hardware Maintenance Manual

Wi-Fi card
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
Removal steps 1. Remove the “Side cover” on page 64. 2. Remove the Wi-Fi card.

Screw (quantity) M2 x 3 mm, Zn coated (1)

Color Black

Torque 1.5 ± 0.2 lb/in

Front and rear Wi-Fi antennas
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
Removal steps 1. Remove the following parts if any: a. “Top cover” on page 62 b. “Wi-Fi antenna cover” on page 64 c. “Side cover” on page 64 d. “Wi-Fi card” on page 93 2. Remove cables from Wi-Fi card.

Chapter 7. Hardware removal and installation 93

3. Remove the front and rear Wi-Fi antenna.
Intrusion switch
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the “Side cover” on page 64. 2. Remove the intrusion switch.
94 ThinkStation P8 Hardware Maintenance Manual

Thermal sensor
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts: a. “Side cover” on page 64 b. “Front fan” on page 86
2. Remove the thermal sensor.
Serial connector cable
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts: a. “Side cover” on page 64 b. “Rear fan” on page 86
Chapter 7. Hardware removal and installation 95

2. Remove the serial connector cable.

Screw (quantity) #4­40 x 11.8 mm, Ni coated (2)

Color Clear

Torque 3.0 ± 0.5 lb/in

CPU heat sink
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
Removal steps 1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 2. Loosen the four screws that secure the CPU heat sink to the system board in diagonal sequence and unlock the anti-tilt wires in the same sequence to lift the CPU heat sink. For example, a. Partially remove screw 4 , then fully remove screw 3 , and then fully remove screw 4 . b. Partially remove screw 2 , then fully remove screw 1 , and then fully remove screw 2 .

96 ThinkStation P8 Hardware Maintenance Manual

Notes: · You need T-20 screw bit longer than 6 inches to remove or install the CPU heat sink. · The screws cannot be removed from the CPU heat sink. · Place the CPU heat sink on its side. Ensure that the thermal grease on the bottom of it does not get in
contact with anything. Installation steps
1. Align the four screws of the heat sink with the four screw holes on the CPU socket. 2. Press the heat sink to prevent it from being unbalanced. Tighten the four screws with the torque to 12 ±
1 lb/in in diagonal sequence of 1 , 2 , 3 , 4 .
Note: You need T-20 screw bit longer than 6 inches to remove or install the CPU heat sink. Chapter 7. Hardware removal and installation 97

CPU
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Optional internal storage drive cage” on page 67 c. “CPU heat sink” on page 96
2. Remove the CPU.
Notes: · Your CPU and CPU socket might look slightly different from the illustrations in this topic. · Touch only the edges of the CPU. Do not touch the gold contacts on the bottom. · Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible. · Use T-20 screw bit with the torque to 12 lb/in. 98 ThinkStation P8 Hardware Maintenance Manual

Install steps Install the CPU.
Notes: · Ensure that you install the correct type of CPU option your computer supports. · Touch only the edges of the CPU. Do not touch the pins on the microprocessor socket or the gold
contacts on the bottom of the new microprocessor.
Chapter 7. Hardware removal and installation 99

· Before you attach the CPU to the computer, clean all thermal grease that has been used and then apply new thermal grease. Apply new thermal grease at an amount of 2.5 grams, on the parts marked a as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component.
System board
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60. Removal steps
1. Remove the following parts if any: a. “Side cover” on page 64 b. “Power supply assembly” on page 66 c. “Optional internal storage drive cage” on page 67 d. “Devices in the front-access storage bay” on page 74 e. “On-board M.2 SSD” on page 77 f. “NVLINK bridge” on page 79 g. “Half-length PCIe card” on page 81
100 ThinkStation P8 Hardware Maintenance Manual

h. “Full-length PCIe card” on page 82 i. “Front fan” on page 86 j. “Upper PCIe fan” on page 87 k. “Front-access storage fan” on page 88 l. “Rear fan” on page 86 m. “Memory fan and air duct” on page 89 n. “Memory module” on page 89 o. “Front panel I/O assembly” on page 91 p. “Serial connector cable” on page 95 q. “CPU heat sink” on page 96 r. “CPU” on page 98 2. Remove the screws that secure the system board shown in the following illustration.

Screw (quantity) M3 x 5 mm, Nl coated (11)

Color Black

Torque 5.0 ± 0.5 lb/in

Installation notice · Clean all thermal grease that have been used and then apply new thermal grease if needed. · Tighten the 1a screws first and then tighten the 1b screws.
Rear power button
Before you start, ensure that you have read “Prerequisite for CRU replacement” on page 60.
Removal steps 1. Remove the following parts if any: a. “Side cover” on page 64 b. “Power supply assembly” on page 66

Chapter 7. Hardware removal and installation 101

c. “Optional internal storage drive cage” on page 67 d. “Devices in the front- access storage bay” on page 74 e. “On-board M.2 SSD” on page 77 f. “NVLINK bridge” on page 79 g. “Half-length PCIe card” on page 81 h. “Full-length PCIe card” on page 82 i. “Front fan” on page 86 j. “Upper PCIe fan” on page 87 k. “Front-access storage fan” on page 88 l. “Rear fan” on page 86 m. “Memory fan and air duct” on page 89 n. “Memory module” on page 89 o. “Front panel I/O assembly” on page 91 p. “Serial connector cable” on page 95 q. “CPU heat sink” on page 96 r. “CPU” on page 98 s. “System board” on page 100 2. Remove the rear power button.
102 ThinkStation P8 Hardware Maintenance Manual

Appendix A. Notices and trademarks
Notices
Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user’s responsibility to evaluate and verify the operation of any other product, program, or service.
Lenovo may have patents or pending patent programs covering subject matter described in this document. The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to:
Lenovo (United States), Inc. 8001 Development Drive Morrisville, NC 27560 U.S.A. Attention: Lenovo Director of Licensing
LENOVO PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.
Changes are made periodically to the information herein; these changes will be incorporated in new editions of the publication. To provide better service, Lenovo reserves the right to improve and/or modify the products and software programs described in the manuals included with your computer, and the content of the manual, at any time without additional notice.
The software interface and function and hardware configuration described in the manuals included with your computer might not match exactly the actual configuration of the computer that you purchase. For the configuration of the product, refer to the related contract (if any) or product packing list, or consult the distributor for the product sales. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties. All information contained in this document was obtained in specific environments and is presented as an illustration. The result obtained in other operating environments may vary.
Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk.

© Copyright Lenovo 2024

103

Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development- level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment. This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux® agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice. For the latest information or any questions or comments, contact or visit the Lenovo Web site: https://pcsupport.lenovo.com Trademarks Lenovo, Lenovo logo, ThinkStation, and ThinkStation logo are trademarks of Lenovo. Microsoft, Windows, and Cortana are trademarks of the Microsoft group of companies. Mini DisplayPort (mDP) and DisplayPort are trademarks of the Video Electronics Standards Association. The terms HDMI and HDMI High- Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. Wi-Fi, Wi-Fi Alliance, and Miracast are registered trademarks of Wi-Fi Alliance. USB-C is a registered trademark of USB Implementers Forum. All other trademarks are the property of their respective owners.
104 ThinkStation P8 Hardware Maintenance Manual

References

• Lenovo™ ThinkStation™ Software - Diagnostic Codes
• Official Lenovo Laptop, Accessories & PC Support - Lenovo Support US
• Official Lenovo Laptop, Accessories & PC Support - Lenovo Support US
• Lenovo Support | Drivers, Troubleshooting, Warranty, Repair | Lenovo Support US
• Lenovo Computer Parts | Genuine Replacement Parts | Lenovo Support US
• Page Not Found - Lenovo Support US
• Product Accessibility | Regulatory Compliance | Lenovo US
• Popular Topics: Tips for PC's - Lenovo Support US
• Lenovo™ ThinkStation Software
• Lenovo™ ThinkStation™ Software - Diagnostics

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