IBM System x3850 X5 Installation And User Manual page 81

Table 8. High-performance memory-card installation sequence
DIMM pair installation
order
First
Second
Third
Fourth
Fifth
Sixth
Seventh
Eighth
Ninth
Tenth
Eleventh
Twelfth
Thirteenth
Fourteenth
Fifteenth
Sixteenth
Seventeenth
Eighteenth
Nineteenth
Twentieth
Twenty-first
Twenty-second
Twenty-third
Twenty-fourth
Twenty-fifth
Twenty-sixth
Twenty-seventh
Twenty-eighth
Twenty-ninth
Thirtieth
Thirty-first
Thirty-second
Memory mirroring replicates and stores data on two pairs of DIMMs
simultaneously. If a memory failure occurs, the memory controller switches from
the primary set of DIMMs to the backup set of DIMMs.
When you use memory mirroring, consider the following information:
– To enable memory mirroring through the Setup utility, select System Settings
> Memory. For more information, see "Using the Setup utility" on page 96.
Memory-card connector
number
1
7
3
5
2
8
4
6
1
7
3
5
2
8
4
6
1
7
3
5
2
8
4
6
1
7
3
5
2
8
4
6
Chapter 2. Installing optional devices
DIMM connector numbers
1 and 8
1 and 8
1 and 8
1 and 8
1 and 8
1 and 8
1 and 8
1 and 8
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
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