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1.7
Memory Installation
Memory performance is affected by different DIMM configurations. To reach optimal
memory interleaving, be sure to install identical DIMM types with the same size,
speed, and number of ranks on those memory slots corresponding to the correct pro-
cessor.
The following table indicates recommended DIMM configurations with a single pro-
cessor, based on the guideline, you may adjust your memory configuration according
to your PCIe expansion card configuration.
The 3rd Gen Xeon Scalable (Silver-4xxx, Gold-5xxx/6xxx, Platinum-8xxx) processors
support Optane DC persistent memory module (DCPMM).
The DCPMM support configuration is on slot D or H while using 6 DDR4 on other
DIMM slot, and only one DCPMM can be used at a time.
Table 1.6: DIMM/DCPMM Configurations with single CPU
Channel
1
Quantity
2
of
memory/
DCPMM
installed
4
6
7
8
Note!
DCPMM can be supported on slot D or H, one DCPMM at a time is
allowed.
DIMMA1 DIMMB1 DIMMC1 DIMMD1 DIMME1 DIMMF1 DIMMG1 DIMMH1
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
9
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DCPMM*
V
V
V
V
V
V
V
ASMB-816 User Manual
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DCPMM*
V
V
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