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Chapter 3: Maintenance and Component Installation
DDR5 Memory Population Table (with Max Series ((HBM)) CPUs and 32 DIMMs Installed)
1 CPU: Memory Population Sequence
1 CPU & 1 DIMM
P1-DIMMA1
P1-DIMME1
1 CPU & 2 DIMMs
P1-DIMMA1/P1-DIMMG1
P1-DIMMC1/P1-DIMME1
1 CPU & 4 DIMMs P1-DIMMA1/P1-DIMMC1/P1-DIMME1/P1-DIMMG1
1 CPU & 8 DIMMs P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1/P1-DIMME1/P1-DIMMF1/P1-DIMMG1/P1-DIMMH1
1 CPU & 16 DIMMs
P1-DIMMA1/P1-DIMMA2/P1-DIMMB1/P1-DIMMB2/P1-DIMMC1/P1-DIMMC2/P1-DIMMD1/P1-DIMMD2/P1-DIMME1/P1-
DIMME2/P1-DIMMF1/P1-DIMMF2/P1-DIMMG1/P1-DIMMG2/P1-DIMMH1/P1-DIMMH2
2 CPUs:
(Recommended)
Memory Population Sequence
2 CPUs & 2 DIMMs
CPU1: P1-DIMMA1, CPU2: P2-DIMMA1
CPU1: P1-DIMME1, CPU2: P2-DIMME1
2 CPUs & 4 DIMMs
CPU1: P1-DIMMA1/P1-DIMMG1, CPU2: P2-DIMMA1/P2-DIMMG1
CPU1: P1-DIMMC1/P1-DIMME1, CPU2: P2-DIMMC1/P2-DIMME1
2 CPUs & 8 DIMMs
CPU1: P1-DIMMA1/P1-DIMMC1/P1-DIMME1/P1-DIMMG1
CPU2: P2-DIMMA1/P2-DIMMC1/P2-DIMME1/P2-DIMMG1
2 CPUs & 16 DIMMs
CPU1: P1-DIMMA1/P1-DIMMB1/P1-DIMMC1/P1-DIMMD1/P1-DIMME1/P1-DIMMF1/P1-DIMMG1/P1-DIMMH1
CPU2: P2-DIMMA1/P2-DIMMB1/P2-DIMMC1/P2-DIMMD1/P2-DIMME1/P2-DIMMF1/P2-DIMMG1/P2-DIMMH1
2 CPUs & 32 DIMMs
CPU1: P1-DIMMA1/P1-DIMMA2/P1-DIMMB1/P1-DIMMB2/P1-DIMMC1/P1-DIMMC2/P1-DIMMD1/P1-DIMMD2/P1-
DIMME1/P1-DIMME2/P1-DIMMF1/P1-DIMMF2/P1-DIMMG1/P1-DIMMG2/P1-DIMMH1/P1-DIMMH2
CPU2: P2-DIMMA1/P2-DIMMA2/P2-DIMMB1/P2-DIMMB2/P2-DIMMC1/P2-DIMMC2/P2-DIMMD1/P2-DIMMD2/P2-
DIMME1/P2-DIMME2/P2-DIMMF1/P2-DIMMF2/P2-DIMMG1/P2-DIMMG2/P2-DIMMH1/P2-DIMMH2
Notes:
1. Max Series (HBM) CPU supports 1DPC (4800MT/s) / 2DPC (4400MT/s) to optimize the
memory bandwidth. Max Series (HBM) CPU supports 1, 2, 4, 8, or 16 DIMMs in Flat
Mode as well as Cache Mode, and 0 DIMMs in HBM-Only mode. HBM-Only mode runs
exclusively using HBM memory.
2. For the best memory performance in Flat mode and Cache mode, please use 4, 8,
or 16 DIMM congurations. (At least one DIMM per memory controller for balanced
conguration)
4 DIMMs -> populate 1 DIMM/iMC (Integrated Memory Controller)
8 DIMMs -> populate 1 DIMM/Channel, 2 DIMM/iMC
16 DIMMs -> populate 2 DIMM/Channel, 4 DIMM/iMC
3. All other congurations not listed above are not supported.
4. For the 2-socket design, each socket has to be populated identically.