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6.7.2
Memory Configuration
Become familiar with the rules for memory configuration before
adding DIMMs to the system.
Refer to Figure 6–4 or Figure 6–5 and observe the following rules for installing
DIMMs.
•
You can install up to 16 DIMMs or up to 32 DIMMs.
•
An option consists of a set of 4 DIMMs. You must install all 4 DIMMs to
populate a set.
•
Fill sets in numerical order. Populate all 4 slots in Set 0, then populate Set
1, and so on.
•
An "array" is one set for systems that support 16 DIMMs and two sets for
systems that support 32 DIMMs.
•
DIMMs in an array must be the same capacity and type. For example,
suppose you have populated Sets 0, 1, 2, and 3. When you populate Set 4,
the DIMMs must be the same capacity and type as those installed in Set 0.
Similarly, Set 5 must be populated with DIMMs of the same capacity and
type as are in Set 1, and so on, as indicated in the following table.
Systems Supporting
Array
32 DIMMs
0
Set 0 and Set 4
1
Set 1 and Set 5
2
Set 2 and Set 6
3
Set 3 and Set 7
CAUTION: Using different DIMMs may result in loss of data.
Systems Supporting
16 DIMMs
Set 0
Set 1
Set 2
Set 3
System Configuration and Setup 6-23
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