Lenovo ThinkSystem SR650 Series Setup Manual page 153

Table 19. Supported DCPMM capacity in App Direct Mode with two processors (continued)
4 16
8 12
12 12
Notes:
1. Supported DIMM capacity is up to 32 GB.
2. Supported DIMM capacity is up to 64 GB.
Memory Mode
Memory modules must be installed in a specific order based on the memory configuration that you
implement on your node. Below is the information of memory mode.
Note: Before installing DCPMM, refer to "Memory configuration" on page 202 and "Configure DC Persistent
Memory Module (DCPMM)" on page 202 for the requirements.
Table 20. Four categories of DIMM
DIMM Category DDR4 Type
D1 RDIMM
D2 RDIMM
D3 RDIMM
D4 RDIMM
Following are all the combinations that are supported in this solution.
Memory Mode with one processor
Table 21. Memory Mode with one processor
D1–D4: Refer to Four categories of DIMM table.
P: Only Data Center Persistent Memory Module (DCPMM) can be installed on the corresponding DIMM slots.
Configuration
12
2 DCPMMs and 4 P
DIMMs
2 DCPMMs and 6 D3
DIMMs
Other
L
M
Other
L
M
Other
L
M
Other
3DS RDIMM
3DS RDIMM
3DS RDIMM
11 10 9 8
D2 D2
D3 D3
√ √
√ √
√ √
√ 2 √
√ √
√ √
√ 2
√ √
√ √
√ 1
Capacity
Any density of DDR4 except 8 GB 1Rx8 RDIMM
All density of DDR4 more than 32 GB
16 GB or 32 GB RDIMM
Any density of DDR4 except 8 GB 1Rx8 RDIMM
Processor 1
7 6 5
D2
P P D3
Chapter 3
2
√
√
2
√
√
2
4 3 2
D2
D3
.
Server hardware setup
1
P
D3
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