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v If a problem with a DIMM is detected, light path diagnostics lights the
62
IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User's Guide
Table 7. Memory-card installation sequence for memory-mirroring configuration (continued)
DIMM quad installation
order
Sixth
Seventh
Eighth
Ninth
Tenth
Eleventh
Twelfth
Thirteenth
Fourteenth
Fifteenth
Sixteenth
system-error LED on the front of the server, indicating that there is a problem
and guiding you to the defective DIMM. When this occurs, first identify the
defective DIMM; then, remove and replace the DIMM.
Memory card
7
8
3
4
5
6
1
2
7
8
3
4
5
6
1
2
7
8
3
4
5
6
Connector numbers
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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