EDIT: n/m what appears below, but be warned you might experience the same thing. I held down the power switch to turn the machine off, started it up again, it complained, made me go to BIOS setup, I ...
Ok, so I have a GA-P35-DS3R with an e8400, an Antec EA650 PSU and a radeon 2600xt HD video card using Vista x64. When I just run it with 4gig's of ram (gskill 6400), it loads my video card driver fine ...