Well, I'm having an issue with 3D rendering and any kind of 3D game with the card. Getting total lockups. If I crank up ALL my fans really really high via smcfancontrol, then its usable and it has less frequent freeze ups. So, I wanted to test the fan on the video card as well, and see if I can narrow it down to that. I'd much rather just risk the video card & it's fan,rather than leaving ALL my fans on max while doing 3d.
So, if it's possible to just increase the fan speed on the vid card I would want to try it out.