Service Manual

Table 47. Supported NPS modes by Processors (continued)
Model Number NPS modes supported
7502P 4, 2, 1
7402P 4, 2, 1
7302P 4, 2, 1
NOTE: NVIDIA GPU support is restricted to the processors which support NPS4.
Table 48. Optimal NPS configuration
Number of DIMMs
per processor
NPS
0/1 2 4
1 X
2 X
3 X
4 X
5 X
6 X
7 X
8 X
9 X
10 X
11 X
12 X
13 X
14 X
15 X
16 X
Recommended NPS setting is marked by X that indicate optimal performance.
NPS0 is only available for dual processor systems and is the preferred setting.
The NPS setting that are blank are functional. However, indicate non-optimal performance.
BIOS default NPS setting is 1.
UEFI0391 message may be displayed during boot if DIMMs are configured in the blank spaces of the table.
If the processor does not support the desired NPS setting for a given number of DIMMs, then use default setting (NPS1)
and the UEFI0391 message is displayed.
Table 49. Interleaving Options Based on NPSx
NPSx Preferred Alternate
4 2-channel None
2 4-channel 2-channel
1 8-channel 4-channel, 2-channel
Table 50. Interleaving Options Based on NPSx
NPSx Preferred Alternate
4 2-channel None
Installing and removing system components 75