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I'm helping a relative of mine with computer maintenance. She has a Compaq Presario 5000 (10yrs old) and it's slow. My first thing was to look at the memory -- it has only 512MB, but its maximum memory is 768MB. Crucial.com shows that it takes non-ECC SDRAM memory.
Staples has 256MB SDRAM ECC memory. Can I buy an ECC SDRAM, or do I have to buy non-ECC SDRAM?
If you aren't entirely replacing all RAM, you may get issues because they are different in age/manufacturer, even if similar in every other way – tobylane – 2011-08-21T20:50:58.383