It's a typical problem with the 2-Wire. It either overheats and reboots or the power supply starts to flake out. If the problem persists for a long period of time, it would be wise to have it swapped out for another. -- Asus P5Q-E / Q9450 @ 3.6 / 4GB OCZ Reaper HPC 8500 / XFX 9800 GX2 / Vista Ultimate x64 SP1