Memory Mode
In this mode, DCPMMs act as volatile system memory, while DRAM DIMMs act as cache.
Installation order: Memory Mode with two processors
Memory module installation order for DCPMM Memory Mode with two installed processors.
Table 66. Memory population in Memory Mode with two processors
• D1: DRAM DIMMs of 16 or 32 GB
• D2: DRAM DIMMs of 32 GB or larger capacity
• P: DC Persistent Memory Module (DCPMM)
Configuration
Processor 1
Processor 2
1
2
3
4
5
6
7
8
9
10 11 12
13 14 15 16 17 18
19 20 21 22 23 24
4 DCPMMs
and 8 DIMMs
P
D2
D2
D2
D2
P
P
D2
D2
D2
D2
P
4 DCPMMs
and 12 DIMMs
D1
D1
D1
P
P
D1
D1
D1 D1
D1
D1
P
P
D1
D1
D1
8 DCPMMs
and 12 DIMMs
D2
D2
P
D2
P
P
D2
P
D2
D2 D2
D2
P
D2
P
P
D2
P
D2
D2
12 DCPMMs
and 12 DIMMs
D2
P
D2
P
D2
P
P
D2
P
D2
P
D2 D2
P
D2
P
D2
P
P
D2
P
D2
P
D2
Table 67. Supported DCPMM capacity in Memory Mode with two processors
Total
PMMs
Total
DIMMs
Processor Family
128 GB DCPMM
256 GB DCPMM
512 GB DCPMM
4
8
L
√
√
√
M
√
√
√
Other
√
√
4
12
L
√
√
√
M
√
√
√
Other
√
√
8
12
L
√
√
√
M
√
√
Other
√
√
12
12
L
√
√
√
M
√
√
Other
√
√
84
ThinkSystem SR860 Setup Guide
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