uuugghh...call a priest <jk> umm It looks like you have covers all bases with this one, unless there is something Im forgetting uugghh, is poll with interrupts diszabled?, I know you dont want to hear this but I think yer last option is a fresh windiows install. Thats what I always end up doing when I cant figure something out and almost always it works, not necessarily because windows is the prob, but because you have to reload all drivers and stuff like that and usually the problem is hidden in there somewhere, just bite yer tongue, format, and get one of them new car smell pine trees to help you cope. sorry I couldent come up with something better, but it looks like your down to the last straw here and the last straw is <Format c: /s>