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v The server comes with a minimum of two 512 MB DIMMs or two 1 GB DIMMs,
Figure 1. DIMM connectors, channels, and branches
v Each DIMM in a pair must be the same size, speed, type, and technology to
v You can configure the server to use memory mirroring. Memory mirroring stores
installed in slots 1 and 3 or slots 5 and 7. When you install additional DIMMs,
you must install two identical DIMMs at a time, in the order shown in the
following table, to maintain performance.
Table 2. DIMM installation sequence
Pair
DIMM connectors
1
1 and 3
2
5 and 7
3
2 and 4
4
6 and 8
ensure that the server will operate correctly.
data in two pairs of DIMMs simultaneously. If a failure occurs, the memory
controller switches from the active pair to the mirroring pair. Memory mirroring
reduces the amount of available memory. Enable memory mirroring through the
Configuration/Setup Utility program.
Channel 2
Channel 3
DIMM 5 connector
DIMM 6 connector
Branch 1
DIMM 7 connector
DIMM 8 connector
DIMM 1 connector
DIMM 2 connector
DIMM 3 connector
DIMM 4 connector
Branch 0
Channel 1
Channel 0
Chapter 2. Installing options
37
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