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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
DIMMs 1
2
3
4
2
3
8*
1
3
12*
1
2
3
4
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
DIMMs 1
2
3
4
4
27
29
16*
25
27
29
24*
25 26 27 28 29 30
48*
Total
DIMMs 25 26 27 28 29 30
4
3
16*
1
3
24*
1
2
3
4
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.
Processor 1
5
6
7
8
9
10 11 12
8
5
8
10
5
8
10
5
6
7
8
9
10 11 12
Processor 1
5
6
7
8
9
10 11 12
32
32
34
32
34
31 32 33 34 35 36
Processor 3
31 32 33 34 35 36
8
5
8
10
5
8
10
5
6
7
8
9
10 11 12
Processor 2
13 14 15 16 17 18
15
17
12
13
15
17
13 14 15 16 17 18
Processor 2
13 14 15 16 17 18
39
41
36
37
39
41
37 38 39 40 41 42
Processor 4
37 38 39 40 41 42
15
17
12
13
15
17
13 14 15 16 17 18
19 20 21 22 23 24 DIMMs
20
20
22
20
22
24
19 20 21 22 23 24
19 20 21 22 23 24 DIMMs
44
44
46
44
46
48
43 44 45 46 47 48
43 44 45 46 47 48 DIMMs
20
20
22
20
22
24
19 20 21 22 23 24
.
Chapter 5
Server hardware setup
Total
2
8
12
24
Total
4
16
24
48
Total
4
16
24
48
155
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