Lenovo ThinkSystem SR650 Series Setup Manual page 155

Table 23. Memory Mode with two processors (continued)
D2
8 DCPMMs and
12 DIMMs
D2 P D-
12 DCPMMs
and 12 DIMMs
Table 24. Supported DCPMM capacity in Memory Mode with two processors
Total Total
DCPMMs DIMMs
4 8
4 12
8 12
12 12
Notes:
1. Supported DIMM capacity is 16 GB.
2. Supported DIMM capacity is 32 GB.
3. Supported DIMM capacity is up to 32 GB.
4. Supported DIMM capacity is 32 GB to 64 GB.
5. Supported DIMM capacity is 32 GB to 128 GB.
Mixed 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 mixed mode.
Note: Before installing DCPMM, refer to "Memory configuration" on page 202 and "Configure DC Persistent
Memory Module (DCPMM)" on page 202 to define the percentage of DCPMM capacity.
Table 25. Four categories of DIMM
DIMM Category DDR4 Type
D1 RDIMM
D2 RDIMM
D3 RDIMM
D4 RDIMM
D- P D2 P P D2 P D2
2
P D2 P P D2 P D2 P
2
Processor Family
128 GB DCPMM
L
M
Other
L
M
Other
L
M
Other
L
M
Other
3DS RDIMM
3DS RDIMM
3DS RDIMM
D2 D2 D2 P D2 P
D2 D2 P D2 P D2 P
256 GB DCPMM
√ 2
2
√
2
√
√ 1
√ 1
√ 1
2
√
2
√
√ 2 √ 4
√ 2 √ 4
√ 2
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
Chapter 3
P D2 P D2 D2
P D2 P D2 P D2
512 GB DCPMM
√ 4
4
√
√ 3
√ 3
4
√
√ 5
. 151
Server hardware setup