Memory; Ddr2 Memory Overview - Dell XPS 630i Service Manual

Memory

You can increase your computer memory by installing memory modules on
the system board.
Your computer supports DDR2 memory. For additional information on the
type of memory supported by your computer, see "Specifications" in the
Owner's Manual.

DDR2 Memory Overview

DDR2 memory modules should be installed in pairs of matched memory
•
size and speed. If the DDR2 memory modules are not installed in matched
pairs, the computer will continue to operate, but with a slight reduction in
performance. See the label on the upper-right or upper-left corner of the
module to determine the module's capacity.
NOTE:
Always install DDR2 memory modules in the order indicated on the
system board.
The recommended memory configurations are:
– A pair of matched memory modules installed in DIMM connectors 1
and 2
or
– A pair of matched memory modules installed in DIMM connectors 1
and 2 and another matched pair installed in DIMM connectors 3 and 4
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Memory