The people that are you will find on MacRumorsand thread like the one on X-Plane. You do need Mountain lion.
Aug 29, 2014 Now open the 'nvFlash' folder and copy the 'cwsdpmi' and 'nvFlash' files to the bootable USB or Floppy. Next you copy the BIOS that you created (in my case GTXOC.rom) also to the bootable. It has got to be a (.rom) ROM-file!!!!! Or it will not flash, this is why we saved the original bios also as a (.rom) ROM-file, you never know you'll need it. Get to the next level with the EVGA GeForce GTX 680 Mac Edition. This card delivers truly game-changing performance that taps into the powerful new GeForce architecture to redefine smooth, seamless, lifelike gaming. It offers brand new, never before seen features that will redefine the way you think about performance graphics cards.
GTX 680 (2 or 4MB VR) and X-Plane 10(12345)
Barefeats tested those too:
May 10th, 2013 -- Do the newest GPUs run faster on the 2010 Mac Pro than on the 2009 and 2008 Mac Pro?
April 26th, 2013 -- PART THREE: EVGA GeForce GTX 680 Mac Edition versus the 'Sharks' (insane GPUs like the GeForce GTX 580 Classified and GTX 690)
April 18th, 2013 -- PART TWO: EVGA GeForce GTX 680 'Mac Edition' Versus Past and Present Mac GPUs running Pro Apps
April 16th, 2013 -- PART ONE: EVGA GeForce GTX 680 'Mac Edition' versus Past and Present Mac GPUs running OpenGL accelerated Games and Benchmarks
Gtx 680 Mac Rom Hacked Games
Gtx 680 Mac Rom Hacked Update
Would have thought you have been around here long enough to have seen these.
Mac Rom Image
Jun 22, 2013 4:10 PM