Quote Originally Posted by gabe View Post
I do understand that U601 is the VT1165, but it isn't sinked, the back plate doesn't touch it, and there is no airflow whatsoever in that area, none, nada, zip
Yea, but Furmark crashed on me with the stock cooler too. So even though there isn't, that looks to be the cause of the crashes with the HD4870.

Its sad that ATI didn't address the thermal concerns with U601 now in the wild users are having stability issues from this.