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Figure 3-1 Processor installation order
3.1.2 Memory
A maximum of 28 DIMMs may be installed in the memory-board assembly of the
x455, depending on the size of the DIMMs used. Supported DIMMs are listed in
Table 3-2.
Table 3-2 Supported DIMMs
Size
512 MB
1 GB
2 GB
Go to the ServerProven site for the latest information on supported memory
modules:
http://www.pc.ibm.com/us/compat/machines/x455.html
When installing memory DIMMs, they must be installed in matched pairs (size
and technology), in the order shown in Table 3-3.
Table 3-3 DIMM order
Pair
1
3
5
Center
plane
4
Description
PC2100 CL2.5 ECC DDR SDRAM
PC2100 CL2.5 ECC DDR SDRAM
PC2100 CL2.5 ECC DDR SDRAM
Port 1 DIMM slots
Pair
1 and 14
2
2 and 13
4
3 and 12
6
3
1
2
Part number
33L5038
33L5039
33L5040
Port 2 DIMM slots
15 and 28
16 and 27
17 and 26
Chapter 3. Planning
Side of
chassis
Max installable
28
28
28
57
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