I am having the same issue. win7 x64 pro i7 920 no OC Corsair 4gb (had 12, narrowing it down to 2 modules, but it is on the compatibility list) GTX260 Kingwin Mach1 700w Asus P6T Friday i was able to run Prime95 and Burn In Test several times, do multiple test with no issue. I played music...