The recommended memory configurations are:
•A pair of matched memory modules installed in DIMM connectors 1 and 2 (white securing clips) 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 (black securing clips)
NOTICE: Do not install ECC memory modules.
•If you install mixed pairs of DDR2
•Be sure to install a single memory module in DIMM connector 1, the connector closest to the processor, before you install modules in the other connectors.
1
2
1matched pair of memory modules in DIMM connectors 1 and 2 (white securing clips)
2matched pair of memory modules in DIMM connectors 3 and 4 (black securing clips)
NOTICE: If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. Otherwise, your computer may not start properly. You should install your original memory modules in pairs either in DIMM connectors 1 and 2 or DIMM connectors 3 and 4.
NOTE: Memory purchased from Dell is covered under your computer warranty.
Removing and Installing Parts
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