IBM System x3100 M4 Type 2582 Installation And User Manual page 48

v The following table lists the maximum DIMM population using ranked UDIMMs.
v The following table shows the UDIMM 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 x3100 M4 Type 2582: Installation and User's Guide
Table 3. Supported UDIMM population per channel
DIMM
connectors per DIMMs installed
channel in each channel DIMM type
2 1
2 2
Table 4. Maximum memory population using ranked UDIMMs (depending on your model)
Number of UDIMMs DIMM type
4 Single-rank UDIMMs
4 Dual-rank UDIMMs
4 Dual-rank UDIMMs
4 Dual-rank UDIMMs
system performance.
Table 5. UDIMM population rule
DIMM connector 1 DIMM connector 2
Populated Empty
Populated Empty
Populated Populated
DIMM speed
Unbuffered 1066, 1333
DDR3 ECC
Unbuffered 1066, 1333
DDR3 ECC
Size
1 GB
2 GB
4 GB
8 GB (when
available)
DIMM connector 3
Empty
Populated
Populated
Ranks per
DIMM (any
combination)
Single-rank,
dual-rank
Single-rank,
dual-rank
Total memory
4 GB
8 GB
16 GB
32 GB
DIMM connector 4
Empty
Empty
Populated