I have 4 gigs of G.SKILL F2-8500CL5D-4GBPK PC2-8500(2X 2Gig sticks) but windows Xp is only showing 3.5GB. I tried looking for drivers and couden't find any for the ram.
i thought that its only windows XP OS 32-bit and older versions cant have more than 3.5 ram.
i remember hearing and seeing that windows XP 64-bit and Vista 32-bit, and 64-bit supports over 4 gb