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mtvhike

Memory upgrade for an old Dell Precision 490

7 years ago

I have an old Dell Precision 490 which originally had Windows XP. I upgraded it to Win7, but it runs slowly (although the Windows performance index is about 5!). It has a 3.3 MHz quad core Xeon processor, but only 1 GB of RAM. The existing memory is 512 MB ECC 1Rx8 PC2-4200F and there are two such boards. There are a total of 8 slots, (6 available). I don't know what all those numbers on the chips mean. Should I get 6 more of the same kind of board, should I replace them with non-ECC memory, or should I get 8 1 GB boards? I know 32 bit Windows can't use more than 4 GB but I might upgrade later to a 64 bit version.

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