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NOTE:
NVIDIA GPU support is restricted to the processors which support NPS4.
Table 50. Optimal NPS configuration
Number of DIMMs per
processor
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
•
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 51. Interleaving Options Based on NPSx
NPSx
4
2
1
Table 52. Interleaving Options Based on NPSx
NPSx
4
2
1
0
Memory interleaving population rules
•
NPS4: Two channel interleaving
76
Installing and removing system components
0/1
X
X
X
Preferred
2-channel
4-channel
8-channel
Preferred
2-channel
4-channel
8-channel
16-channel (dual processor)
NPS
2
X
Alternate
None
2-channel
4-channel, 2-channel
Alternate
None
2-channel
4-channel, 2-channel
2-channel
4
X
X
X
X
X
X
X
X
X
X
X
X
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