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swpstampede · 06-23-2009, 12:00 PM

I removed > 25 malware items from a friends old Gateway 510S and while fixing, noted computer is pretty slow, probably due to the fact he's only got 512 MB RAM installed (factory 2x 256 MB). I'd like to install additional memory, as there are still 2 slots empty. Can I simply purchase 2x 512 DDR400 and add to the existing set of 2x 256, or do I have to remove current memory? In other words, can I use all 4 RAM slots, and if so, do all 4 have to have same size RAM, or can I have 2 different matched sets of RAM in the 4 slots; 2x 256 (already there) + 2x 512 (yet to be purchased)? Thanks for your help!

06-23-2009, 12:00 PM	#1 (permalink)
swpstampede Registered User Join Date: Jun 2009 Posts: 9 OS: XP	Gateway 510S 4x RAM slots I removed > 25 malware items from a friends old Gateway 510S and while fixing, noted computer is pretty slow, probably due to the fact he's only got 512 MB RAM installed (factory 2x 256 MB). I'd like to install additional memory, as there are still 2 slots empty. Can I simply purchase 2x 512 DDR400 and add to the existing set of 2x 256, or do I have to remove current memory? In other words, can I use all 4 RAM slots, and if so, do all 4 have to have same size RAM, or can I have 2 different matched sets of RAM in the 4 slots; 2x 256 (already there) + 2x 512 (yet to be purchased)? Thanks for your help!