Hi, I recently put together a machine with P4P800 deluxe board, P4 2.8 ghz processor, 2x256 Kingston KVR400X64C3AK2/512 PC3200 DDR ram, Geforce 2 MX400, WD 80 gig 7200 RPM master drive, and all on a 400 watt Antec power supply. Ever since I put it together, Win XP pro has been restarting quite...