Memory Module Installation Rules And Order - Lenovo HR650X V2 User Manual

Memory module installation rules and order

Memory modules must be installed in a specific order based on the memory configuration that you
implement on your server.
Your server has 8 channels, 32 memory slots, and supports:
• Minimum memory:
– 16 GB
• Maximum memory:
– Without PMEMs:
– 2 TB using RDIMMs
– With PMEMs in Memory Mode:
– 5 TB using RDIMMs and PMEMs
• Type (depending on the model):
– TruDDR4 3200, dual-rank, 16 GB/32 GB/64 GB RDIMM
– 128 GB/256 GB PMEM
For a list of supported memory options, see:
Note: The operating speed and total memory capacity depend on the processor model and UEFI settings.
The following illustration helps you to locate the memory module slots on the system board.
Note: It is recommended to install memory modules with the same rank in each channel.
Figure 60. Memory module slots on the system board
Table 11. Memory slot and channel identification
Channel F1 E1 H1
Slot 32 30 28
150 140 170
number
31
29 27
151
141 171
Memory module installation guideline
• Two types of configurations are supported. Consider corresponding rules and population sequence
accordingly:
https://static.lenovo.com/us/en/serverproven/index.shtml
G1 C1 D1 A1 B1
26 23 21 19 17
160 120 130 100 110
25 22 20
24 18
161 121 131 101 111
F0 E0 H0 G0
16 14 12 10
050 040 070 060
15 13 11 9
051
041 071 061
.
Chapter 4 Hardware replacement procedures
C0 D0 A0 B0
7 5 3 1
020 030 000 010
8 6 4 2
021 031 001 011
87