Quote Originally Posted by C-BuZz View Post
Yes all in the same board MA790FXT-UD5P. They all have different instability issues. One crash loading Windows (refuse to boot in), one boot into Windows but crash if I try to do anything, one can boot into Windows at 3.8Ghz & do some basic things even SPi but anything stressful will result in a bluescreen.

So out of 5 none have been able to unlock successfully enough to do any benching.

C-BuZz
At any frequency? ... if your getting specific core errors, have you tried individually clocking them in AOD?