A+ Server AS -1024US-TRT User's Manual
34
DIMM Module Population Sequence
•
• Always use DDR4 DIMM modules of the same type, size and speed.
• Mixed DIMM speeds can be installed. However, all DIMMs will run at the speed of the
slowest DIMM.
• The motherboard supports an odd number of modules (1, 3, etc.). However, to achieve the
best memory performance, a balanced memory population is recommended.
•
the installed CPU.
Memory Installation
Memory Support
The H12DSU-iN supports Up to 8 TB of ECC DDR4 3200 MHz speed, RDIMM/LRDIMM/3DS/
NVDIMM memory in thirty-two slots. Check the Supermicro website for possible updates to
memory support.
Processors and their Corresponding Memory Modules
CPU# Channel
1
Channel
2
Channel
3
Channel
4
Channel
5
Channel
6
Channel
7
Channel
8
2 DIMMS (not recommended)
CPU1 C2
CPU2 C2
4 DIMMS (not recommended)
CPU1 C2 D2
CPU2 C2 D2
8 DIMMS (not recommended)
CPU1 C2 D2 G2 H2
CPU2 C2 D2 G2 H2
12 DIMMS (for 7003 CPU only)
CPU1 A2 C2 D2 E2 G2 H2
CPU2 A2 C2 D2 E2 G2 H2
16 DIMMS
CPU1 A2 B2 C2 D2 E2 F2 G2 H2
CPU2 A2 B2 C2 D2 E2 F2 G2 H2
24 DIMMS (for 7003 CPU only)
CPU1 A1 A2 C1 C2 D1 D2 E1 E2 G1 G2 H1 H2
CPU2 A1 A2 C1 C2 D1 D2 E1 E2 G1 G2 H1 H2
32 DIMMS
CPU1 A1 A2 B1 B2 C1 C2 D1 D2 E1 E2 F1 F2 G1 G2 H1 H2
CPU2 A1 A2 B1 B2 C1 C2 D1 D2 E1 E2 F1 F2 G1 G2 H1 H2
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