i am upgrading from an 939 athlon 64 3500 to a 939 opteron 180 and i reset the bios and installed the opteron 180 and i am having trouble loading windows, i will get to the desktop and it will restart everytime. i was just wandering if i did something wrong. my specs are gigabyte motherboard GA ultra sli, evga 7900 gt, 4 sticks of 512 corsair ems, raptor 74 hardrive, 200 gig seagate