Lenovo ThinkSystem SR860 V2 - Page 163

With two processors
The following table shows the DIMM population sequence for independent memory mode when two
processors are installed.
Table 26. Independent mode with two processors
Total Processor 1 Processor 2 Total
DIMMs 1 2 3 4
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 DIMMs
2 8 20 2
8* 3 5 8 10 15 17 20 22 8
12* 1 3 5 8 10 12 13 15 17 20 22 24 12
24* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24
Note: DIMM configurations with an asterisk (*) listed in the table support the Sub NUMA Clustering (SNC)
feature, which can be enabled via UEFI. SNC is not supported if DIMM population does not follow the
sequence indicated by the table above.
With four processors
The following tables show the DIMM population sequence for independent memory mode when four
processors are installed.
Table 27. Independent mode with four processors
Total Processor 1 Processor 2 Total
DIMMs 1 2 3 4
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 DIMMs
4 32 44 4
16* 27 29 32 34 39 41 44 46 16
24* 25 27 29 32 34 36 37 39 41 44 46 48 24
48* 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 48
Total Processor 3 Processor 4 Total
DIMMs 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 DIMMs
4 8 20 4
16* 3 5 8 10 15 17 20 22 16
24* 1 3 5 8 10 12 13 15 17 20 22 24 24
48* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48
Note: DIMM configurations with an asterisk (*) listed in the table support the Sub NUMA Clustering (SNC)
feature, which can be enabled via UEFI. SNC is not supported if DIMM population does not follow the
sequence indicated by the table above.
Chapter 5. Server hardware setup 155