Originally Posted by ChrisRay
If you have PhysX enabled and SLI off. The second GPU will allocate itself to purely physx processing. I know its not well documented. But this is the case.
But I would have to actually disable SLI in the control panel for this to occur? Okay - I don't have intentions of running like this, but just wondered for games that don't properly support SLI but do have PhysX (only one that I know of, but whatever) that if I ran in Single GPU mode with SLI on, which card was doing physics. Thanks!