ASROCK B550M Pro SE Motherboard User Manual

June 13, 2024
ASRock

asrock logo B550M Pro SE
User Manual

B550M Pro SE Motherboard

Contact Information
If you need to contact ASRock or want to know more about ASRock, you’re welcome to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer for further information. For technical questions, please submit a support request form at https://event.asrock.com/tsd.asp
ASRock Incorporation
e-mail: info@asrock.com.tw
ASRock EUROPE B.V.
e-mail: sales@asrock.nl
ASRock America, Inc.
e-mail: sales@asrockamerica.com

https://www.asrock.com/manualDown.asp?Model=B550M%20Pro%20SE

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Chapter 1 Introduction

Thank you for purchasing ASRock B550M Pro SE motherboard, a reliable motherboard produced under ASRock’s consistently stringent quality control.
It delivers excellent performance with robust design conforming to ASRock’s commitment to quality and endurance.
Because the motherboard specifications and the BIOS software might be updated, the content of this documentation will be subject to change without notice. In case any modifications of this documentation occur, the updated version will be available on ASRock’s website without further notice. If you require technical support related to this motherboard, please visit our website for specific information about the model you are using. You may find the latest VGA cards and CPU support list on ASRock’s website as well. ASRock website http://www.asrock.com.
1.1 Package Contents

  • ASRock B550M Pro SE Motherboard (Micro ATX Form Factor)
  • ASRock B550M Pro SE User Manual
  • 2 x Serial ATA (SATA) Data Cables (Optional)
  • 2 x Screws for M.2 Sockets (Optional)

1.2 Specifications
Platform

  • Micro ATX Form Factor
    CPU

  • Supports AMD AM4 Socket RyzenTM
    3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*

  • Not compatible with AMD Athlon™ Processors.
    Chipset
    • AMD PRO565
    Memory

    • Dual Channel DDR4 Memory Technology
    • 4 x DDR4 DIMM Slots
    • AMD Ryzen series CPUs (Vermeer) support DDR4 4533+(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200 (OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/ 3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
    • AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC )/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133 (OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/ 3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, unbuffered memory*
    • AMD Ryzen series APUs (Cezanne) support DDR4 4733+(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/ 3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, unbuffered memory*
    • AMD Ryzen series APUs (Renoir) support DDR4 4733+(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/ 3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
    • AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC )/3200(OC)/2933/2667/2400/2133 non-ECC, un-buffered memory*
  • For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs.

  • Please refer to Memory Support List on ASRock’s website for more information. (http://www.asrock.com/)

    • Max. capacity of system memory: 128GB
    • Supports Extreme Memory Profile (XMP) memory modules
  • Please refer to page 21 for AMD non-XMP memory frequency support. For more details, please refer to the QVL on ASRock’s website.

Expansion Slot
AMD Ryzen series CPUs (Vermeer and Matisse)

  • 2 x PCIe x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*
    AMD Ryzen series APUs (Cezanne and Renoir)

  • 2 x PCIe x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*
    AMD Ryzen series APUs (Picasso)

  • 2 x PCIe x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)*

  • Supports NVMe SSD as boot disks

    • Supports AMD CrossFireTM
    • 1 x PCIe 3.0 x1 Slot (PCIE2: x1 mode)

Graphics

  • Integrated AMD RadeonTM
    Vega Series Graphics in Ryzen
    Series APU* (Actual support may vary by CPU)

  • 1 x HDMI 2.1, supports HDR, HDCP 2.3, 4K Ultra HD (UHD) playback and max. resolution up to 4K 60Hz*

  • 1 x DisplayPort 1.4, supports HDCP 2.3, 4K Ultra HD (UHD) playback and max. resolution up to 5K 120Hz

  • Picasso supports HDCP 2.2 with HDMI 2.0 Port

Audio

  • 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
    LAN

  • 2.5 Gigabit LAN 10/100/1000/2500 Mb/s

  • Dragon RTL8125BG

  • Supports Dragon 2.5G LAN Software
    – Smart Auto Adjust Bandwidth Control
    – Visual User Friendly UI
    – Visual Network Usage Statistics
    – Optimized Default Setting for Game, Browser, and Streaming Modes
    – User Customized Priority Control

USB

  • 6 x USB 3.2 Gen1 Type-A (4 Rear, 2 Front)

  • 6 x USB 2.0 (2 Rear, 4 Front)

  • All USB ports support ESD Protection
    Rear Panel I/O

    • 1 x PS/2 Mouse/Keyboard Port
    • 1 x HDMI Port
    • 1 x DisplayPort 1.4
    • 4 x USB 3.2 Gen1 Ports
    • 2 x USB 2.0 Ports
    • 1 x RJ-45 LAN Port with LED
    • HD Audio Jacks: Line in / Front Speaker / Microphone

Storage
CPU:

  • 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode (with Vermeer, Matisse) or
    Gen3x4 (32 Gb/s) mode (with Cezanne, Renoir and Picasso)*
    Chipset:

  • 1 x M.2 Socket (M2_2, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3x2 (16 Gb/s) modes*

  • 4 x SATA3 6.0 Gb/s Connectors

  • Supports NVMe SSD as boot disks

RAID

  • Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
    Connector

  • 1 x SPI TPM Header

  • 1 x Power LED and Speaker Header

  • 2 x RGB LED Headers*

  • 2 x Addressable LED Headers**

  • 1 x CPU Fan Connector (4-pin)***

  • 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)****

  • 1 x 24 pin ATX Power Connector

  • 1 x 8 pin 12V Power Connector

  • 1 x Front Panel Audio Connector

  • 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)

  • 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)

  • Support in total up to 12V/3A, 36W LED Strip
    ** Support in total up to 5V/3A, 15W LED Strip
    * CPU_FAN1 supports the fan power up to 1A (12W).
    **
    CHA_FAN1~3/WP support the fan power up to 2A (24W).
    ** CHA_FAN1~3/WP can auto detect if 3-pin or 4-pin fan is in use.
    BIOS Feature**

    • AMI UEFI Legal BIOS with GUI support
      OS

    • Microsoft® Windows® 10 64-bit / 11 64-bit
      Certifications

    • FCC, CE

    • ErP/EuP ready (ErP/EuP ready power supply is required)

  • For detailed product information, please visit our website: http://www.asrock.com
    Please realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, applying Untied Overclocking Technology, or using third-party overclocking tools. Overclocking may affect your system’s stability, or even cause damage to the components and devices of your system. It should be done at your own risk and expense. We are not responsible for possible damage caused by overclocking.
    1.3 Motherboard LayoutASROCK B550M Pro SE Motherboard - Motherboard
Layout

No. Description
1 8 pin 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
4 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
5 RGB LED Header (RGB_LED1)
6 Addressable LED Header (ADDR_LED1)
7 ATX Power Connector (ATXPWR1)
8 USB 3.2 Gen1 Header (USB3_5_6)
9 SATA3 Connector (SATA3_2)
10 SATA3 Connector (SATA3_1)
11 SATA3 Connector (SATA3_4)(Upper), SATA3 Connector (SATA3_3)(Lower)
12 System Panel Header (PANEL1)
13 Power LED and Speaker Header (SPK_PLED1)
14 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
15 SPI TPM Header (SPI_TPM_J1)
16 USB 2.0 Header (USB_3_4)
17 USB 2.0 Header (USB_5_6)
18 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
19 Clear CMOS Jumper (CLRCMOS1)
20 Addressable LED Header (ADDR_LED2)
21 RGB LED Header (RGB_LED2)
22 Front Panel Audio Header (HD_AUDIO1)
23 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)

1.4 I/O PanelASROCK B550M Pro SE Motherboard -
Panel

No. Description
1 USB 2.0 Ports (USB_12)
2 2.5G LAN RJ-45 Port*
3 Line In (Light Blue)**
4 Front Speaker (Lime)**
5 Microphone (Pink)**
6 USB 3.2 Gen1 Type-A Ports (UB32_34)
7 USB 3.2 Gen1 Type-A Ports (UB32_12)
8 PS/2 Mouse/Keyboard Port
9 DisplayPort 1.4
10 HDMI Port
  • There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications. Activity / Link LED
Status Description
Off No Link
Blinking Data Activity
On Link

Speed LED

Status Description
Off 10Mbps connection
Orange 100Mbps/1Gbps connection
Green 2.5Gbps connection

** Function of the Audio Ports in 7.1-channel Configuration:

Port Function
Light Blue (Rear panel) Rear Speaker Out
Lime (Rear panel) Front Speaker Out
Pink (Rear panel) Central /Subwoofer Speaker Out
Lime (Front panel) Side Speaker Out

1.5 Block DiagramASROCK B550M Pro SE Motherboard - Block
Diagram

Chapter 2 Installation

This is a Micro ATX form factor motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.
Pre-installation Precautions
Take note of the following precautions before you install motherboard components or change any motherboard settings.

  • Make sure to unplug the power cord before installing or removing the motherboard.
    Failure to do so may cause physical injuries to you and damages to motherboard components.

  • In order to avoid damage from static electricity to the motherboard’s components,
    NEVER place your motherboard directly on a carpet. Also remember to use a grounded wrist strap or touch a safety grounded object before you handle the components.

  • Hold components by the edges and do not touch the ICs.

  • Whenever you uninstall any components, place them on a grounded anti-static pad or in the bag that comes with the components.

  • When placing screws to secure the motherboard to the chassis, please do not overtighten the screws! Doing so may damage the motherboard.

2.1 Installing the CPU
Unplug all power cables before installing the CPU.ASROCK B550M Pro SE
Motherboard - Installing 2.2 Installing the CPU Fan and Heatsink
After you install the CPU into this motherboard, it is necessary to install a larger heatsink and cooling fan to dissipate heat. You also need to spray thermal grease between the CPU and the heatsink to improve heat dissipation. Make sure that the CPU and the heatsink are securely fastened and in good contact with each other.
Please turn off the power or remove the power cord before changing a CPU or heatsink.
Installing the CPU Box Cooler SR1ASROCK B550M Pro SE Motherboard -
Installing 2ASROCK B550M Pro SE Motherboard -
Installing 3 Installing the AM4 Box Cooler SR2ASROCK
B550M Pro SE Motherboard - Installing 4ASROCK B550M Pro SE Motherboard - Installing
5ASROCK B550M Pro SE Motherboard - Installing
6The diagrams shown here are for reference only. The headers might be in a different position on your motherboard.
Installing the AM4 Box Cooler SR3ASROCK B550M Pro SE Motherboard -
Installing 7ASROCK B550M Pro SE Motherboard -
Installing 8ASROCK B550M Pro SE Motherboard -
Installing 9
The diagrams shown here are for reference only. The headers might be in a different position on your motherboard.
2.3 Installing Memory Modules (DIMM)
This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory Technology.

  1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 DIMM pairs.
  2. It is unable to activate Dual Channel Memory Technology with only one or three memory module installed.
  3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4 slot; otherwise, this motherboard and DIMM may be damaged.
  4. We suggest that you install the memory modules on DDR4_A2 and DDR4_B2 first for better DRAM compatibility on 2 DIMMs configuration.

AMD non-XMP Memory Frequency Support Ryzen Series CPUs (Vermeer):

UDIMM Memory Slot


A1| A2| B1| B2| Frequency (Mhz)
–| SR| –| –| 3200
–| DR| –| –| 3200
–| SR| –| SR| 3200
–| DR| –| DR| 3200
SR| SR| SR| SR| 2933
SR/DR| DR| SR/DR| DR| 2667
SR/DR| SR/DR| SR/DR| SR/DR| 2667

Ryzen Series CPUs (Matisse):

UDIMM Memory Slot

A1| A2| B1| B2| Frequency (Mhz)
–| SR| –| –| 3200
–| DR| –| –| 3200
–| SR| –| SR| 3200
–| DR| –| DR| 3200
SR| SR| SR| SR| 2933
SR/DR| DR| SR/DR| DR| 2667
SR/DR| SR/DR| SR/DR| SR/DR| 2667

Ryzen Series APUs (Cezanne):

UDIMM Memory Slot

A1| A2| B1| B2| Frequency (Mhz)
–| SR| –| –| 3200
–| DR| –| –| 3200
–| SR| –| SR| 3200
–| DR| –| DR| 3200
SR| SR| SR| SR| 2933
SR/DR| DR| SR/DR| DR| 2667
SR/DR| SR/DR| SR/DR| SR/DR| 2667

Ryzen Series APUs (Renoir):

UDIMM Memory Slot

A1| A2| B1| B2| Frequency (Mhz)
–| SR| –| –| 3200
–| DR| –| –| 3200
–| SR| –| SR| 3200
–| DR| –| DR| 3200
SR| SR| SR| SR| 2933
SR/DR| DR| SR/DR| DR| 2667
SR/DR| SR/DR| SR/DR| SR/DR| 2667

Ryzen Series APUs (Picasso):

UDIMM Memory Slot

A1| A2| B1| B2| Frequency (Mhz)
–| SR| –| –| 2933
–| DR| –| –| 2667
–| SR| –| SR| 2667
–| DR| –| DR| 2400
SR| SR| SR| SR| 2133
SR/DR| DR| SR/DR| DR| 1866
SR/DR| SR/DR| SR/DR| SR/DR| 1866

SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.ASROCK B550M Pro SE Motherboard - Installing
10 2.4 Connecting the Front Panel HeaderASROCK B550M Pro SE Motherboard - Installing
11 2.5 Installing the MotherboardASROCK
B550M Pro SE Motherboard - Installing 12 2.6 Installing SATA DrivesASROCK B550M Pro SE Motherboard - Installing
13ASROCK B550M Pro SE Motherboard - Installing
142.7 Installing a Graphics CardASROCK B550M Pro
SE Motherboard - Installing 15 Expansion Slots (PCIe Slots)
There are 3 PCI Express slots on the motherboard.
Before installing an expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation.
PCIe Slot Configurations
Ryzen series CPUs (Vermeer and Matisse):

| PCIE1| PCIE3
---|---|---
Single Graphics Card| Gen4x16| N/A
Two Graphics Cards in CrossFireXTM  Mode| Gen4x16| Gen3x4

Ryzen series APUs (Cezanne and Renoir):

| PCIE1| PCIE3
---|---|---
Single Graphics Card| Gen3x16| N/A
Two Graphics Cards in CrossFireX TM  Mode| Gen3x16| Gen3x4

Ryzen series APUs (Picasso):

| PCIE1| PCIE3
---|---|---
Single Graphics Card| Gen3x8| N/A
Two Graphics Cards in CrossFireXTM  Mode| Gen3x8| Gen3x4

For a better thermal environment, please connect a chassis fan to the motherboard’s chassis fan connector (CHA_FAN1/WP, CHA_FAN2/WP or CHA_FAN3/WP ) when using multiple graphics cards.
2.8 Connecting Peripheral DevicesASROCK B550M Pro SE Motherboard -
Installing 16 2.9 Connecting the Power ConnectorsASROCK B550M Pro SE Motherboard - Installing
17 2.10 Power On![ASROCK B550M Pro SE Motherboard

  • Installing 18](https://manuals.plus/wp-content/uploads/2023/09/ASROCK-B550M- Pro-SE-Motherboard-Installing-18.png) 2.11 Jumpers Setup
    The illustration shows how jumpers are setup. When the jumper cap is placed on the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is “Open”. Clear CMOS Jumper
    (CLRCMOS1) (see p.6, No. 19)
    CLRCMOS1 allows you to clear the data in CMOS. The data in CMOS includes system setup information such as system password, date, time, and system setup parameters. To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord, then use a jumper cap to short the pins on CLRCMOS1 for 3 seconds. Please remember to remove the jumper cap after clearing the CMOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down before you do the clear-CMOS action.ASROCK B550M Pro SE Motherboard -
Installing 20 2.12 Onboard Headers and Connectors
    Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard.
    System Panel Header
    (9-pin PANEL1) (see p.6, No. 12)
    Connect the power button, reset button and system status indicator on the chassis to this header according to the pin assignments below. Note the positive and negative pins before connecting the cables.ASROCK B550M Pro SE
Motherboard - Installing 21 PWRBTN (Power Button):
    Connect to the power button on the chassis front panel. You may configure the way to turn off your system using the power button.
    RESET (Reset Button):
    Connect to the reset button on the chassis front panel. Press the reset button to restart the computer if the computer freezes and fails to perform a normal restart.
    PLED (System Power LED):
    Connect to the power status indicator on the chassis front panel. The LED is on when the system is operating. The LED keeps blinking when the system is in S1/S3 sleep state. The LED is off when the system is in S4 sleep state or powered off (S5).
    HDLED (Hard Drive Activity LED):
    Connect to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is reading or writing data.
    The front panel design may differ by chassis. A front panel module mainly consists of power button, reset button, power LED, hard drive activity LED, speaker and etc.
    When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.
    Power LED and Speaker Header (7-pin SPK_PLED1) (see p.6, No. 13)
    Please connect the chassis power LED and the chassis speaker to this header.ASROCK B550M Pro SE Motherboard - Installing 22Serial ATA3 Connectors
    Vertical:
    (SATA3_1) (see p.6, No. 10)
    (SATA3_2) (see p.6, No. 9)
    Right Angle:
    (SATA3_3) (see p.6, No. 11) (Lower)
    (SATA3_4) (see p.6, No. 11) (Upper)
    These four SATA3 connectors support SATA data cables for internal storage devices with up to 6.0 Gb/s data transfer rate.ASROCK B550M Pro SE
Motherboard - Installing 23USB 2.0 Headers
    (9-pin USB_3_4) (see p.6, No. 16)
    (9-pin USB_5_6) (see p.6, No. 17)
    There are two headers on this motherboard. Each USB 2.0 header can support two ports.ASROCK B550M Pro SE Motherboard - Installing 24USB 3.2 Gen1 Header
    (19-pin USB3_5_6) (see p.6, No. 8)
    There is one header on this motherboard. This USB 3.2 Gen1 header can support two ports.ASROCK B550M Pro SE Motherboard - Installing
25Front Panel Audio Header
    (9-pin HD_AUDIO1) (see p.6, No. 22)
    This header is for connecting audio devices to the front audio panel.ASROCK
B550M Pro SE Motherboard - Installing 26 High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instructions in our manual and chassis manual to install your system.
    Chassis/Water Pump Fan Connectors
    (4-pin CHA_FAN1/WP) (see p.6, No.23)
    (4-pin CHA_FAN2/WP) (see p.6, No. 18)
    (4-pin CHA_FAN3/WP) (see p.6, No. 14)
    This motherboard provides three 4-Pin water cooling chassis fan connectors. If you plan to connect a 3-Pin chassis water cooler fan, please connect it to Pin 1-3.ASROCK B550M Pro SE Motherboard - Installing 27CPU Fan Connector
    (4-pin CPU_FAN1) (see p.6, No. 2)
    This motherboard provides a 4-Pin CPU fan (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3.ASROCK B550M Pro SE
Motherboard - Installing 28ATX Power Connector
    (24-pin ATXPWR1) (see p.6, No. 7)
    This motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13.ASROCK B550M Pro SE
Motherboard - Installing 29ATX 12V Power Connector
    (8-pin ATX12V1) (see p.6, No. 1)
    This motherboard provides a 8-pin ATX 12V power connector. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5.
    *Warning: Please make sure that the power cable connected is for the CPU and not the graphics card. Do not plug the PCIe power cable to this connector.ASROCK B550M Pro SE Motherboard - Installing 30SPI TPM Header
    (13-pin SPI_TPM_J1) (see p.6, No. 15)
    This connector supports SPI Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity.ASROCK B550M Pro SE Motherboard - Installing
31RGB LED Headers
    (4-pin RGB_LED1) (see p.6, No. 5)
    (4-pin RGB_LED2) (see p.6, No. 21)
    These headers are used to connect RGB LED extension cables which allow users to choose from various LED lighting effects.
    Caution: Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.ASROCK B550M Pro SE Motherboard -
damaged

    1. Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.

    2. Before installing or removing your RGB LED cable, please power off your system and unplug the power cord from the power supply. Failure to do so may cause damages to motherboard components.

    3. Please note that the RGB LED strips do not come with the package.

    4. The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.

Addressable LED Headers
(3-pin ADDR_LED1) (see p.6, No. 6)
(3-pin ADDR_LED2) (see p.6, No. 20)
These headers are used to connect Addressable LED extension cables which allow users to choose from various LED lighting effects.
Caution: Never install the Addressable LED cable in the wrong orientation; otherwise, the cable may be damaged.ASROCK B550M Pro SE Motherboard -
damaged 1

  1. Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.

  2. Before installing or removing your RGB LED cable, please power off your system and unplug the power cord from the power supply. Failure to do so may cause damages to motherboard components.

  3. Please note that the RGB LED strips do not come with the package.

  4. The RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/ GND), with a maximum power rating of 3A (5V) and length within 2 meters.

2.13 M.2 SSD Module Installation Guide
The M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The Hyper M.2 Socket (M2_1, Key M) supports type 2280 PCIe Gen4x4 (64 Gb/ s) mode (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) mode (with Cezanne, Renoir and Picasso). The M.2 Socket (M2_2, Key M) supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3x2 (16 Gb/s) modes.
Installing the M.2 SSD Module Step 1
Prepare a M.2 SSD module and the screw. Step 2
Depending on the PCB type and length of your M.2 SSD module, find the corresponding nut location to be used.

No. 1
Nut Location A
PCB Length 8cm
Module Type Type 2280

Step 3
Align and gently insert the M.2 SSD module into the M.2 slot. Please be aware that the M.2 SSD module only fits in one orientation. Step 4
Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module. For the latest updates of M.2 SSD module support list, please visit our website for details: http://www.asrock.com
Version 1.0
Published July 2023
Copyright©2023 ASRock INC. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Inc.
Products and corporate names appearing in this documentation may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe.
Disclaimer:
Specifications and information contained in this documentation are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock. ASRock assumes no responsibility for any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose.
In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in the documentation or product.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

  1. this device may not cause harmful interference, and
  2. this device must accept any interference received, including interference that may cause undesired operation.

The terms HDMI® and HDMI High-Definition Multimedia Interface, and the HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. WARNING
THIS PRODUCT CONTAINS A BUTTOON BATTERY
If swallowed, a button battery can cause serious injury or death.
Please keep batteries out of sight or reach of children.
CALIFORNIA, USA ONLY
The Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance controlled in Perchlorate Best Management Practices (BMP) regulations passed by the California Legislature. When you discard the Lithium battery in California, USA, please follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/perchlorate”
AUSTRALIA ONLY
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage caused by our goods. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply)

ASRock INC. hereby declares that this device is in compliance with the essential requirements and  other relevant provisions of related UKCA Directives. Full text of UKCA declaration of conformity is available at: http://www.asrock.com

ASRock INC. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of related Directives. Full text of EU declaration of conformity is available at: http://www.asrock.com
ASRock follows the green design concept to design and manufacture our products, and makes sure that each stage of the product life cycle of ASRock product is in line with global environmental regulations. In addition, ASRock disclose the relevant information based on regulation requirements.
Please refer to https://www.asrock.com/general/about.asp?cat=Responsibility for information disclosure based on regulation requirements ASRock is complied with.
**** DO NOT throw the motherboard in municipal waste. This product has been designed to enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin indicates that the product (electrical and electronic equipment) should not be placed in municipal waste. Check local regulations for disposal of electronic products.

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