Can I have in total 2 gigs of PC3200 ram on Compaq dx5150 ? Memory upgrades from Crucial.com - Determine My Memory Needs There are 4 slots for ram memory on my computer. I have 2 (512 mbs.) of ram on 2 different slot at the moment. I wish to just get 1 gig ram put it on the 3rd slot and leave the last slot empty. Will that work for a total of 2 gigs. ram for my p.c.? Can't afford to buy more memory. Thanks.