Table 57. Memory mirroring with four processors (processor 3 and 4)
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
8 31 32 43 44 8
10 31 32 43 44 10
12 31 32 43 44 12
14 29 30 31 32 43 44 14
16 29 30 31 32 41 42 43 44 16
18 29 30 31 32 41 42 43 44 18
20 29 30 31 32 41 42 43 44 20
22 29 30 31 32 33 34 41 42 43 44 22
24 29 30 31 32 33 34 41 42 43 44 45 46 24
26 29 30 31 32 33 34 41 42 43 44 45 46 26
28 29 30 31 32 33 34 41 42 43 44 45 46 28
30 27 28 29 30 31 32 33 34 41 42 43 44 45 46 30
32 27 28 29 30 31 32 33 34 39 40 41 42 43 44 45 46 32
34 27 28 29 30 31 32 33 34 39 40 41 42 43 44 45 46 34
36 27 28 29 30 31 32 33 34 39 40 41 42 43 44 45 46 36
38 27 28 29 30 31 32 33 34 35 36 39 40 41 42 43 44 45 46 38
40 27 28 29 30 31 32 33 34 35 36 39 40 41 42 43 44 45 46 47 48 40
42 27 28 29 30 31 32 33 34 35 36 39 40 41 42 43 44 45 46 47 48 42
44 27 28 29 30 31 32 33 34 35 36 39 40 41 42 43 44 45 46 47 48 44
46 25 26 27 28 29 30 31 32 33 34 35 36 39 40 41 42 43 44 45 46 47 48 46
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
Related DIMM population sequences for four processor systems:
• To continue populating processor 1 and 2 DIMMs, see
Table 56 “Memory sparing with four processors
(processors 1 and 2)” on page 76
.
DCPMM and DRAM DIMM installation order
This section contains information of how to install DCPMMs and DRAM DIMMs properly.
Notes:
• Before installing DCPMMs and DRAM DIMMs, refer to “DC Persistent Memory (DCPMM) setup” in Setup
Guide
“DC Persistent Memory Module (DCPMM) setup” on page 78 and make sure to meet all the
requirements.
• To verify if the presently installed processors support DCPMMs, examine the four digits in the processor
description. Only the processor with description meeting both of the following requirements support
DCPMMs.
– The first digit is 5 or a larger number.
Note: The only exception to this rule is Intel Xeon Silver 4215, which also supports DCPMM.
– The second digit is 2.
Chapter 3. Server hardware setup 77
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