Lenovo ThinkSystem SR950 Setup Manual page 69
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Installation order: independent memory mode with three processors
Memory module installation order for independent (non-mirroring) memory mode with three processors
installed in the server.
The following tables show the DIMM population sequence for independent memory mode when three
processors are installed.
• Processors 1 and 2 are installed in the lower system board of the lower compute tray.
• Processor 3 is installed in the upper system board of the lower compute tray or in the upper compute tray.
Note: When adding one or more DIMMs during a memory upgrade, you might need to move other DIMMs
that are already installed to new locations.
Table 45. Independent mode with three processors (Processors 1 and 2, 3 to 24 total DIMMs installed in server)
Total
DIMMs 1
2
3
4
3
4
5
6
7
8
9
3
10
3
11
3
12
3
13
3
14
3
15
1
3
16
1
3
17
1
3
18
1
3
19
1
3
20
1
3
21
3
4
22
3
4
23
3
4
24
Related DIMM population sequences for three processor systems:
• Processor 1 and 2 DIMM population sequences for 25 to 36 DIMMs, see Table 46 "Independent mode
with three processors (Processors 1 and 2, 25 to 36 total DIMMs installed in server)" on page 66.
• To continue populating processor 3 DIMMs for a system with 3 to 24 DIMMs, see Table 47 "Independent
mode with three processors (Processor 3, 3 to 24 total DIMMs installed in server)" on page 67.
Processor 1
5
6
7
8
9
10 11 12
8
5
8
5
8
5
8
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
8
10
5
7
8
9
10
5
7
8
9
10
5
7
8
9
10
5
6
7
8
9
10
5
6
7
8
9
10
5
6
7
8
9
10
Processor 2
13 14 15 16 17 18 19 20 21 22 23 24 DIMMs
17
17
17
17
17
17
15
17
15
17
12
15
17
12
15
17
12
15
17
12
15
17
12
13
15
17
12
13
15
17
13
15
17
13
15
17
13
15
17
13
15
17
15 16 17 18 19 20 21 22
15 16 17 18 19 20 21 22
20
20
20
20
20
20
22
20
22
20
22
20
22
20
22
20
22
20
22
24
20
22
24
20
22
24
20
22
24
20
22
24
20
22
24
19 20 21 22
19 20 21 22
19 20 21 22
.
Chapter 3
Server hardware setup
Total
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
65
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