Table 13. Mirroring mode with one processor
Total Processor 1 Total
DIMMs 12 11 10 9 8 7 6 5 4 3 2 1 DIMMs
2
5 3 2
3
5 3 1 3
4 10 8 5 3 4
6 12 10 8 5 3 1 6
8 10 9 8 7 6 5 4 3 8
9 12 10 8 6 5 4 3 2 1 9
12 12 11 10 9 8 7 6 5 4 3 2 1 12
The following table shows the DIMM population sequence for mirroring mode when two processors (CPU1
and CPU2) are installed.
Table 14. Mirroring mode with two processors
Total Processor 2 Processor 1 Total
DIMMs 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 DIMMs
4 17 15 5 3 4
5 17 15 5 3 1 5
6 17 15 13 5 3 1 6
7 17 15 13 10 8 5 3 7
8 22 20 17 15 10 8 5 3 8
9 17 15 13 12 10 8 5 3 1 9
10 22 20 17 15 12 10 8 5 3 1 10
12 24 22 20 17 15 13 12 10 8 5 3 1 12
13 22 20 17 15 12 10 8 6 5 4 3 2 1 13
14 22 21 20 19 18 17 16 15 12 10 8 5 3 1 14
15 24 22 20 17 15 13 12 10 8 6 5 4 3 2 1 15
16 22 21 20 19 18 17 16 15 10 9 8 7 6 5 4 3 16
17 22 21 20 19 18 17 16 15 12 10 8 6 5 4 3 2 1 17
18 24 22 20 17 15 13 12 11 10 9 8 7 6 5 4 3 2 1 18
20 22 21 20 19 18 17 16 15 12 11 10 9 8 7 6 5 4 3 2 1 20
21 24 22 20 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 21
24 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 24
Rank sparing mode
In rank sparing mode, one rank of a DIMM works as the spare rank for the other ranks on the same channel.
The spare rank is not available as system memory.
Notes:
• All DIMMs to be installed must be the same type with the same capacity, frequency, voltage, and ranks.
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