IBM x3690 X5 Service Manual page 318

v When you install or remove DIMMs, the server configuration information
The following illustration shows the location of the DIMM connectors on the
system board.
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System x3690 X5 Types 7147, 7148, 7149, and 7192: Problem Determination and Service Guide
– The following table lists the DIMM installation sequence for
memory-mirroring mode when one or two microprocessors and no memory
tray is installed in the server:
Table 21. memory-mirroring mode DIMM population sequence when one or two
microprocessors and no memory tray is installed
Sets of DIMMs
Set 1
Set 2
Set 3
Set 4
– The following table lists the DIMM installation sequence for
memory-mirroring mode when two microprocessors and a memory tray is
installed in the server:
Table 22. Memory-mirroring mode DIMM population sequence when two microprocessors
and a memory tray is installed
Number of installed
Sets of DIMMs microprocessors
Set 1 2
Set 2 2
Set 3 2
Set 4 2
changes. When you restart the server, the system displays a message that
indicates that the memory configuration has changed.
Number of installed
microprocessors
1 or 2
1 or 2
1 or 2
1 or 2
DIMM connector
population sequence
on the system board
1, 8, 9, 16
3, 6, 11, 14
2, 7, 10, 15
4, 5, 12, 13
DIMM connector
population sequence with
no memory tray
1, 8, 9,16
3, 6, 11, 14
2, 7, 10, 15
4, 5, 12, 13
DIMM connector
population sequence
on the memory tray
17, 24, 25, 32
19, 22, 27, 30
18, 23, 26, 31
20, 21, 28, 29