ati radeon hd 6870

I Cant fix issues. I Have ATI HD 6870. I can install ML completely (with ATI6000Controller.kext or without ATI6000Controller.kext in USB/S/L/E has no different ) My Mountain Lion Installer version is 10.8.1 but after the installation, when I put back ATI6000Controller.kext to /S/L/E...

Hi, I've just finished Mountain Lion upgrade on my build and want to share it with other users. The described below was the same I've been using since SL: Motherboard: Intel DP35DP Memory: 8 GB (4 Kingston 2GB DDR2 800MHz PC2-6400 KHX6400D2/2G) Display Adapter: Sapphire ATI Radeon HD...