So I've finally acquired and assembled my PC. I have 2 ASUS Radeon HD 7850's that I want to Crossfire, however I am experiencing problems with doing so. 1. In the device manager only 1 GPU is shown. (I've tried them both separately, both work and show up in the device manager individually) 2. The Catalyst Control Center does not show any Crossfire options for me (I have tried versions 13.4, 13.5 and the beta version 13.6) 3. I have tried 2 different Crossfire cables, no difference in either of them. Please, any help would be appreciated!