IBM x3200 M3 7327 Service Manual page 192

v The following table lists the maximum DIMM population using ranked RDIMM.
v The following table lists the RDIMM memory population rule to optimize the
The following illustration shows the location of the DIMM connectors on the system
board.
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System x3200 M3 Types 7327 and 7328: Problem Determination and Service Guide
Table 12. Supported RDIMM population per channel (continued)
DIMMs slots DIMMs installed
per channel in each channel DIMM type
3 2
3 3
3 1
3 2
Table 13. Maximum memory population using ranked RDIMMs (depending on your model)
Number of RDIMMs DIMM type
6 single-rank RDIMMs
6 single-rank RDIMMs
6 dual-rank RDIMMs
4 dual-rank RDIMMs
4 quad-rank RDIMMs
6 dual-rank RDIMMs
4 quad-rank RDIMMs
system performance.
Table 14. RDIMMs population rule for dual-channel symmetric mode
DIMMs DIMMs
connector 1 connector 2
populated empty
populated empty
populated populated
populated populated
DIMM speed
Registered 1066, 1333
DDR3 ECC
Registered 800
DDR3 ECC
Registered 1066
DDR3 ECC
Registered 800
DDR3 ECC
DIMM size
1 GB
2 GB
2 GB
4 GB
4 GB
4 GB
8 GB (when
available)
DIMMs DIMMs
connector 3 connector 4
empty empty
empty populated
empty populated
populated populated
Ranks per
DIMM (any
combination)
single-rank,
dual-rank
single-rank,
dual-rank
quad-rank
quad-rank
Total memory
6 GB
12 GB
12 GB
16 GB
16 GB
24 GB
32 GB
DIMMs DIMMs
connector 5 connector 6
empty empty
empty empty
populated empty
populated populated