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Memory Mode

In this mode, PMEMs act as volatile system memory, while DRAM DIMMs act as cache.

With one processor​

Table 1. Memory population in Memory Mode with one processor

  • D: DRAM DIMMs with 16 GB or larger capacity

  • P: Persistent Memory Module (PMEM)

ConfigurationProcessor 1
16151413121110987654321
8 DIMMs and 8 PMEMsDPDPDPDPPDPDPDPD
8 DIMMs and 4 PMEMsD DPD DPPD DPD D
4 DIMMs and 4 PMEMsPDPDDPDP

With two processors​

Table 2. Memory population in Memory Mode with two processors

  • D: DRAM DIMMs with 16 GB or larger capacity

  • P: Persistent Memory Module (PMEM)

ConfigurationProcessor 1
16151413121110987654321
16 DIMMs and 16 PMEMsDPDPDPDPPDPDPDPD
16 DIMMs and 8 PMEMsDDPDDPPDDPDD
8 DIMMs and 8 PMEMsP D P D D P D P
ConfigurationProcessor 2
32313029282726252423222120191817
16 DIMMs and 16 PMEMsDPDPDPDPPDPDPDPD
16 DIMMs and 8 PMEMsDDPDDPPDDPDD
8 DIMMs and 8 PMEMsP D P D D P D P