When I run GPU-Z 0.3.8, my first gpu jumps to 3D clocks, 750/900. The other three stay at 507/500 2D clocks. The first gpu will return to 507/500 when I close GPU-Z. Is this supposed to be?
WIN 7 x64
2 HD4870x2's CrossfireX Driver ver. 9.11 Dirt2 Hotfix 8.673.1
Asus P6T deluxe V2