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Table 11. Rank sparing mode with one processor (continued)
Total
DIMMs
12
11
10
12
12
11
The following table shows the DIMM population sequence for rank sparing mode when two processors
(Processor 1 and Processor 2) are installed.
Table 12. Rank sparing mode with two processors
Total
DIMMs 24 23 22 21 20 19 18 17 16 15 14 13
4
6
8
10
12
14
16
22 21 20 19 18 17 16 15
18
22 21 20 19 18 17 16 15
20
22 21 20 19 18 17 16 15 14 13
22
22 21 20 19 18 17 16 15 14 13
24
24 23 22 21 20 19 18 17 16 15 14 13
Install a DIMM
Use this information to install a DIMM.
Chapter 4 "Read
the
installation
Guidelines" on
page 27
Attention:
• Disconnect all power cords for this task.
• DIMMs are sensitive to static discharge and require special handling. In addition to the standard
guidelines for "Handling static-sensitive devices" on page 29:
– Always wear an electrostatic-discharge strap when removing or installing DIMMs. Electrostatic-
discharge gloves can also be used.
– Never hold two or more DIMMs together so that they touch. Do not stack DIMMs directly on top of
each other during storage.
– Never touch the gold DIMM connector contacts or allow these contacts to touch the outside of the
DIMM connector housing.
– Handle DIMMs with care: never bend, twist, or drop a DIMM.
10
9
8
10
9
8
10
9
8
Processor 2
18 17
18 17
20 19 18 17
20 19 18 17
20 19 18 17 16 15
20 19 18 17 16 15
Processor 1
7
6
5
7
6
5
7
6
5
12 11 10
9
8
8
8
8
8
10
9
8
10
9
8
10
9
8
10
9
8
12 11 10
9
8
12 11 10
9
8
"Power off
the server
for this task"
on page
Chapter 5
4
3
2
4
3
2
4
3
2
Processor 1
7
6
5
4
3
2
6
5
7
6
5
7
6
5
7
6
5
4
3
7
6
5
4
3
7
6
5
4
3
7
6
5
4
3
7
6
5
4
3
2
7
6
5
4
3
2
7
6
5
4
3
2
7
6
5
4
3
2
"ATTENTION:
Static Sensitive Device
Ground package before opening"
on page 29
.
Hardware replacement procedures
Total
1
DIMMs
1
10
1
12
Total
1 DIMMs
4
6
8
10
12
14
16
1
18
1
20
1
22
1
24
39
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