Lenovo ThinkSystem ST550 - Install an Optical Drive or a Tape Drive

Table 13. Rank sparing mode with one processor
Total Processor 1 Total
DIMMs 1 2 3 4 5 6 DIMMs
1 3 1
2 3 4 2
3 2 3 4 3
4 2 3 4 5 4
5 1 2 3 4 5 5
6 1 2 3 4 5 6 6
The following table shows the DIMM population sequence for rank sparing mode when two processors
(CPU1 and CPU2) are installed.
Table 14. Rank sparing mode with two processors
Total Processor 1 Processor 2 Total
DIMMs 1 2 3 4 5 6 7 8 9 10 11 12 DIMMs
2 3 10 2
3 3 4 10 3
4 3 4 9 10 4
5 2 3 4 9 10 5
6 2 3 4 9 10 11 6
7 2 3 4 5 9 10 11 7
8 2 3 4 5 8 9 10 11 8
9 1 2 3 4 5 8 9 10 11 9
10 1 2 3 4 5 8 9 10 11 12 10
11 1 2 3 4 5 6 8 9 10 11 12 11
12 1 2 3 4 5 6 7 8 9 10 11 12 12
Install an optical drive or a tape drive
Use this information to install an optical drive or a tape drive.
“Read the
installation
Guidelines” on
page 58
“Power off
the server for
this task” on
page 109
“ATTENTION:
Static Sensitive Device
Ground package before opening”
on page 59
74 ThinkSystem ST550 Setup Guide