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Super 1st Gen. DCPMM Memory for X11OPx/X11QPx/X11DPx/X11SPx Motherboards Guide
Legend (for the five tables above)
DDR4 Type
Capacity
DRAM1
RDIMM
3DS RDIMM
LRDIMM
3DS LRDIMM
Refer to Validation Matrix
(DDR4 DIMMs validated with
DCPMM) below.
DRAM2
RDIMM
-
-
DRAM3
RDIMM
3DS RDIMM
LRDIMM
-
Note
: DDR4 single rank x8 is not available for DCPMM Memory Mode or App-Direct
Mode.
Legend (for the first five tables above)
Capacity
DCPMM
Any Capacity (Uniformly for all channels for a given configuration)
•
Mode definitions: AD=App Direct Mode, MM=Memory Mode, AD+MM=Mixed Mode
•
For MM, general DDR4+DCPMM ratio is between 1:4 and 1:16. Excessive capacity for DCPMM can be used for AD.
•
For each individual population, rearrangements between channels are allowed as long as the resulting population is
compliant with the Supermicro X11OPx/X11QPx/X11DPx/X11SPx memory population rules for the 2nd Gen Intel Xeon
Scalable-SP (82xx/62xx/52xx/4215 series) processors.
•
For each individual population, please use the same DDR4 DIMM in all slots.
•
For each individual population, sockets are normally symmetric with exceptions for 1 DCPMM per socket and 1 DCPMM
per node case.
•
No mixing of DCPMM and NVMDIMMs within the same platform is allowed.
•
This DCPMM population guide targets a balanced DCPMM-to-DRAM-cache ratio in MM and MM + AD modes.
Validation Matrix (DDR4 DIMMs Validated w/DCPMM)
DIMM Type
Ranks Per DIMM
& Data Width
(Stack)
DIMM Capacity (GB)
DRAM Density
4Gb
8Gb
RDIMM
1Rx4
8GB
16GB
2Rx8
8GB
16GB
2Rx4
16GB
32GB
LRDIMM
4Rx4
N/A
64GB
LRDIMM 3DS
8Rx4 (4H)
N/A
128GB
DCPMM Population Table for the X11OP Motherboards (w/96 DIMM Slots)