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App Direct Mode

In this mode, DCPMMs act as independent and persistent memory resources directly accessible by specific applications, and DRAM DIMMs act as system memory. The total displayed system memory in this mode is the total capacity of DRAM DIMMs.

Note
Before installing DCPMM, refer to Memory configuration and Configure DC Persistent Memory Module (DCPMM) for the requirements.

App Direct mode with one processor​

Table 1. Memory population order in App Direct mode with one processor

D: DRAM DIMM; 16 GB, 32 GB, or 64 GB RDIMM supported

P: DC Persistent Memory Module (DCPMM)

ConfigurationProcessor 1
87654321
1 DCPMM and 6 RDIMMsDDDPDDD
2 DCPMMs and 6 RDIMMsDDDPPDDD
Table 2. Supported DCPMM capacity in App Direct mode with one processor
Total DCPMMsTotal DIMMsProcessor Family128 GB DCPMM256 GB DCPMM512 GB DCPMM
16L√√√
M√√√
Other√√√
26L√√√
M√√√
Other√√ 

App Direct mode with two processors​

Table 3. Memory population order in App Direct mode with two processors

D: DRAM DIMM; 16 GB, 32 GB, or 64 GB RDIMM supported

P: DC Persistent Memory Module (DCPMM)

ConfigurationProcessor 2Processor 1
16151413121110987654321
1 DCPMM and 12 RDIMMsDDDDDDDDDPDDD
2 DCPMMs and 12 RDIMMsDDDPDDDDDDPDDD
4 DCPMMs and 12 RDIMMsDDDPPDDDDDDPPDDD
Table 4. Supported DCPMM capacity in App Direct mode with two processors
Total DCPMMsTotal DIMMsProcessor Family128 GB DCPMM256 GB DCPMM512 GB DCPMM
112L√√√
M√√√
Other√√√
212L√√√
M√√√
Other√√√
412L√√√
M√√√
Other√√ 
Note
To install four 512 GB DCPMMs, ensure that the processor TDP is lower than or equal to 125 watts.