Ram for Windows XP??

In order for a system to see and utilize 4gb of memory or more you need to run a 64 bit operating system... Also your motherboard must support that amount as well.
 
a friend of mine is running 4 gigs and when he boots up it says he has 4 gigs, is it reading, just not utilizing the xtra 2 gigs?
 
32 bit o/s will use 3gig of ram if you want to run more than that you will need a 64bit o/s
tell your friend to right click my computer and select properties and he will see just how much of his ram the o/s is using.
 
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