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Lenovo ThinkSystem SR860 - Page 92

Lenovo ThinkSystem SR860
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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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