Only 3 gigs readable

So I'm gonna get right down to it. For some reason, windows is only letting me use up to 3gb of my ram. This has been an issue for a little bit and i just decided to reinstall Windows 7 Home Premium x64. It started out fine and it let me use all 4 gigs, but all of a sudden its back to the same old 3gb useable crap. I searched the internet for days trying to look for a fix, and nothing so far. Memory remap is enabled and the system detects all 4 gigs of ram, yet for some reason it reserves 1gb for no reason. Any ideas?

My specs:
Q6600 oc'd to 3.6
Asus P5E3 Pro Motherboard
4GB OCZ DDR3 1600
HD5850
HD2900xt
Asus Xonar DX sound card

The Q6600 and the 5850 are watercooled.
Yes, I need both video cards since I have a 4 monitor setup but don't have money for another 5850

Thanks in advance.
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  1. Wow guys...really? Not a single person on this forum has anything to say on this topic? You've gotta be kidding me....
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