Question, HP Z600 server workstation Crossfire X Ubuntu 12.04 64bit

RSims

Hey everyone, currently I've switched to a HP Z600 server workstation Crossfire X Ubuntu 12.04 64bit with two Xeon intel processors 2.8 GHz quad core. As such I felt it needed to link my two graphics cards together via crossfire which I have not done before. I have a radeon hd 6770 and a hd 4850.

Their connected but I can't seem to find a amd program that regulates or controls the two. Catalyst control ceneter just acknowledges the two, claiming one is disabled, why?

Any ideas? I'm new to this but have had diffuclty finding out info via bing or google. Plus I havn't post here in a while, but with Steam being so Ubuntu friendly I've been able to finally make Ubuntu my primary OS.

All help is welcomed thank you