Windows 8 on Cat12.10
ASRock Z68 Extreme3 Gen3 with i5 2500K (newest BIOS)
Corsair TX650W
Sapphire Radeon 7850 x2 in Crossfire
Display is Achieva Shimian QH270 Lite 2560x1440 over Dual-link DVI
12.8 didn't have this issue. Message title explains problem. Only happens on card #1. Issue is constant. http://i.imgur.com/LaNbV.gif