Associate
- Joined
- 30 Jul 2003
- Posts
- 442
Download Radeon Pro and set the crossfire profile, in the tweaks tab, to Bioshock.
Remember and set Steam as the launcher, in the launcher tab.
Does this work for a 6990? isnt crossfire hardcoded on these cards so it cant be turned off?

I've tried the gfx util to no avail :'(