Please excuse my ignorance 
A mates got a prebuilt machine with 3 ultras ( a waste i know...tried to tell him
) in it and 4 gigs of ram. Noticed that they only installed vista 32bit in it so whats the max ram his machine can use out of the 4gigs? Still 3.2GB?..... or less?

A mates got a prebuilt machine with 3 ultras ( a waste i know...tried to tell him
