Lenovo Thinkstation P360 Tiny Desktop Workstation Instructions

October 27, 2023
Lenovo

Lenovo Thinkstation P360 Tiny Desktop Workstation Instructions
Lenovo Thinkstation P360 Tiny Desktop Workstation

Overview

The ThinkStation P360 Intel Alder Lake-S platform is the replacement desktop workstation for the ThinkStation P350 Intel Rocket Lake-S platform.

The purpose of this document is to highlight the major differences between the different memory platform architectures from the previous platforms and to help guide users to optimally configure their memory configuration in the ThinkStationP360 platform.

Section 1 – P360 Tower Memory Architectural Design

The ThinkStation P360 Tower platform is the first Lenovo workstation platform to introduce DDR5 memory with higher top memory bus speeds of 4800MHz, depending on the system processor and number of DIMMs per channel. This platform offers a dual memory channel design based on Intel Alder Lake processors. There are a total of four memory DIMM slots, allowing the P360 to take full advantage of supporting a two DIMM per channel design.
Tower Motherboard

Section 2 – P360 Tower Memory Configurations

The ThinkStation P360 Tower platform can be a bit overwhelming when trying to figure out how to optimally configure memory for best overall system performance. The following recommended guidelines will help obtain the best overall memory bandwidth from the P360 Tower system.

  • Install DIMM slots in multiples of two to fully take advantage of both memory channels. Utilizing one DIMM per channel (DPC) will allow for full maximum memory bandwidth performance.
  • DIMM slots should be filled in the order listed in Figure 2.
  • Mixing ECC and non-ECC memory UDIMMs are not supported.
  • Registered DIMMs (RDIMMs) are not supported in the P360 platform.
  • Lenovo does not recommend installing three (3) DIMMs resulting in an unbalanced memory channel configuration.
  • Lenovo does not recommend mixing memory DIMM vendors within a DIMM channel.
  • Lenovo does not recommend mixing different memory DIMM capacities.
  • Lenovo does not recommend mixing single rank (1R) and dual rank (2R) memory DIMMs.

Figure 2 – P360 Tower Slot Fill Order Recommendations

# of DIMMs

|

DIMM slots used

---|---
1 DIMM| DIMM slot 2
2 DIMMs| DIMM slot 2, DIMM slot 4
3 DIMMs1| DIMM slot 2, DIMM slot 4, DIMM slot 1
4 DIMMs| DIMM slot 2, DIMM slot 4, DIMM slot 1, DIMM slot 3

Figure 3 – 1R (single rank) and 2R (dual rank) Memory Installation and Maximum Frequency

Slot 1

| Slot 2| Slot 3| Slot 4|

Actual Speed

---|---|---|---|---
 | 1R|  |  | 4400 MHz
 | 1R|  | 1R| 4400 MHz
1R| 1R| 1R| 1R| 4000 MHz
 | 2R|  |  | 4400 MHz
 | 2R|  | 2R| 4400 MHz
2R| 2R| 2R| 2R| 3600 MHz

1 Lenovo does not support or recommend this number of DIMM quantity as it results in an unbalanced memory configuration across the dual channels.

Section 3 – P360 Tiny Memory Architectural Design

The ThinkStation P360 Tiny platform is the first Lenovo Tiny workstation platform to introduce DDR5 memory with higher top memory bus speeds of 4800MHz, depending on the system processor and number of DIMMs per channel. This platform offers a dual memory channel design based on Intel Alder Lake processors. There are a total of two memory DIMM slots, allowing the P360 Tiny to take advantage of supporting a single DIMM per channel design.

_ Figure 4 – P360 Tiny Motherboard Layout
Tiny Motherboard
_

Section 4 – P360 Tiny Memory Configurations

The ThinkStation P360 Tiny platform is fairly straight-forward when trying to figure out how to optimally configure memory for best overall system performance. The following recommended guidelines will help obtain the best overall memory bandwidth from the P360 Tiny system.

  • Utilizing one DIMM per channel (DPC) will allow for full maximum memory bandwidth performance.
  • DIMM slots should be filled in the order listed in Figure 5.
  • Small Outline Dual In-Line Memory Modules (SODIMMs) only are supported in the P360 Tiny platform.
  • Mixing ECC and non-ECC memory SODIMMs are not supported.
  • Lenovo does not recommend mixing memory DIMM vendors within a DIMM channel.
  • Lenovo does not recommend mixing different memory DIMM capacities.
  • Lenovo does not recommend mixing single rank (1R) and dual rank (2R) memory DIMMs.

Figure 5 – P360 Tiny Slot Fill Order Recommendations

# of DIMMs

|

DIMM slots used

---|---
1 DIMM| DIMM slot 1
2 DIMMs| DIMM slot 1, DIMM slot 2

Figure 6 – 1R (single rank) and 2R (dual rank) Memory Installation and Maximum Frequency

Slot 1

| Slot 2|

Actual Speed

---|---|---
1R|  | 4400 MHz
 | 1R| 4400 MHz
1R| 1R| 4400 MHz
2R|  | 4400 MHz
 | 2R| 4400 MHz
2R| 2R| 4400 MHz

Revision History

Version

| Date| Author|

Changes/Updates

---|---|---|---
 |  |  |
0.3| 5/31/2022| Jason Moebs| Added P360 Tiny config rules.
0.2| 4/22/2022| Jason Moebs| Edit memory config rules.
0.1| 4/13/2022| Jason Moebs| Initial draft.

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