I just built a new rig, athlon 2 x2 245, asus m4a89gtd mobo, western digital 500 caviar blue hdd, 2 2gb a-data ddr3 ram sticks, ocz 500 w psu, and everything is chill, for the most part. It turns on and acts completely normal, except with the OS. Now, I'm installing XP Home and then upgrading to...