Populating DIMMs for Optimal System Performance
Populating DIMMs for Optimal System Performance
Optimal performance is generally achieved by populating the DIMMs so that the memory is
symmetrical, or balanced. Symmetry is achieved by adhering to the following guidelines:
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In single-processor systems, populate DIMMs of the same size in multiples of six.
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In dual-processor systems, populate DIMMs of the same size in multiples of twelve.
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Populate the DIMM slots in the order described in the following sections.
The following sections provide an example of how to populate the DIMM slots to achieve
optimal system performance.
Note - Not all possible configurations are shown here.
■
“Populating DIMMs in Single-Processor Systems for Optimal System
Performance” on page 123
■
“Populating DIMMs in Dual-Processor Systems for Optimal System
Performance” on page 125
Populating DIMMs in Single-Processor Systems for Optimal
System Performance
In single-processor systems, install DIMMs only into DIMM slots associated with processor 0
(P0). Starting with slot P0 D7, first fill the black slots, and then fill the white slots, as shown in
the following figure.
Servicing the DIMMs (CRU) 123
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