I've just been running Unigine Heaven benchmark, and twice now, it's crashed. Well.. I say crashed, but what happens is the computer just resets... as if I've pressed the reset button. Assuming it was just a slight instability with my overclock, I reset the BIOS to default values, and ran it again at stock settings. Same thing happens.. BANG.. reset. Any ideas? Rig specs in my sig. The power supply is a Gigabyte Odin 800W. It also does it with the unigine tropics bench, and after some testing, had it do it with HL2, so it's not as if the games are just stressing anything out too much. Power problem? The PSU doesn't seem particularly stressed, or hot though. Memtest passes OK, as does Prime 95.