Memory Module Installation Rules And Order - Lenovo ThinkSystem SR630 Maintenance 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 16 channels, 32 memory slots, and supports:
• Minimum memory:
– 16 GB
• Maximum memory:
– 2 TB using RDIMMs
– 4 TB using 3DS RDIMMs
• Type (depending on the model):
– TruDDR4 3200, dual-rank, 16 GB/32 GB/64 GB RDIMM
– TruDDR4 3200, quad-rank, 128 GB 3DS RDIMM
– TruDDR4 3200 128 GB/256 GB PMEM
For a list of supported memory options, see
Notes:
• The operating speed and total memory capacity depend on the processor model and UEFI settings.
• All Icelake Platinum and Gold CPUs support PMEM. For Icelake Silver CPUs, only processor 4314
supports PMEM.
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 87. Memory module slots on the system board
Table 42. Memory slot and channel identification
Channel F0 F1
16 15
Slot number
32 31
Memory module installation guideline
• Two types of configurations are supported. Consider corresponding rules and population sequence
accordingly:
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E0 E1 H0 H1 G0
14 13 12 11 10
30 29 28 27 26
G1 C1 C0 D1
9 8 7 6
25 24 23 22
.
D0 A1 A0 B1
5 4 3 2
21 20 19 18
B0
1
17