It's not really tinkering yet: the new PSU won't arrive before Tuesday, and probably not until Wednesday, so all I've done is stability test with one 480. I've had one reboot, which worries me. Once the new PSU is installed I'll try again with just one card and if it survives a week without reboots I'll swap cards and try again. If each is OK alone, I'll then go back to SLI. If I'm still getting reboots with both cards on their own it will be back to the drawing board. But it will be at least two weeks before full production is resumed.
M

