I just got a C640 laptop of of E-Bay, it has 256MB of ram. I would like to upgrade with a 512MB stick. But I'm alittle confused on which is the right ram. The stick in there now is: IBM 256MB PC2100 CL 2.5 2.5V D N (32Mx64) Its the last part that is confusing (32Mx64) I know that it is 200 pin 266mhz, but some say 64x64 ... 32x64 ... 32x8. What exactly does that number mean, and what is the diference between them?? Also where is the cheapest place to find notebook ram?
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3/27/07 at 9:17pm