App Direct Mode
In this mode, PMEMs act as independent and persistent memory resources directly accessible by specific
applications, and DRAM DIMMs act as system memory. Ensure that the ratio of total DRAM DIMM capacity
to total PMEM capacity within a processor is between 1:1 and 1:8.
With one processor
Table 33. Memory population in App Direct Mode with one processor
• D: DRAM DIMMs
• P: Persistent Memory Module (PMEM)
Configuration
DIMM slots
1 2
3
4
5 6
7
8 9 10
11 12
13
14
15 16
1 PMEM and 6
DIMMs*
D D P D D D D
1 PMEM and 8
DIMMs*
D D P D D D D D D
2 PMEMs and 12
DIMMs
D D D D P D D D D P D D D D
4 PMEMs and 4
DIMMs
P D P D D P D P
4 PMEMs and 8
DIMMs
D D P D D P P D D P D D
8 PMEMs and 8
DIMMs
D P D P D P D P P D P D P D P D
Note: * Not-interleaved mode only. Does not support 100% interleaved mode.
Chapter 4. Hardware replacement procedures 265
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