Chapter 3. Planning
41
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
x450, depending on the size of the DIMMs used. Supported DIMMs are listed in
Table 3-2.
Table 3-2 Supported DIMMs
Go to the ServerProven® site for the latest information on supported memory
modules:
http://www.ibm.com/pc/us/compat
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
2
1
3
4
Center
plane
Side of
chassis
Size
Description
Part number
Max installable
512 MB
PC2100 CL2.5 ECC DDR SDRAM
73P2027
28
1 GB
PC2100 CL2.5 ECC DDR SDRAM
73P2028
28
2 GB
PC2100 CL2.5 ECC DDR SDRAM
73P2030
20
Pair
Port 1 DIMM slots
Pair
Port 2 DIMM slots
1
1 and 14
2
15 and 28
3
4 and 11
4
18 and 25
5
2 and 13
6
16 and 27
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