Have you played GRID / BF2 / COD4 etc with that card, without having this 60 fps - 30 fps problem?
H-street, yes, I'm pretty sure there's an option to turn-off one of the GPUs. Some people mentioned "Catalyst AI" as being that functionality. I can't say for sure though, I never owned a...
I wonder how he's doing. It's been a day now.
I'm going to buy one of these cards this month, and since I'll play on a 24" LCD with a likely refresh rate of 60 Hz, this might happen to me too. (Haven't decided on the monitor model yet)
Unless it's just happening because he used a 280 GTX...