I have an Inno3D GTX 660 which came with default vBIOS (80.06.10.00.2C) but the fans only maxed out at 74%, So I tried flashing the vBIOS (80.06.10.00.3F) which would let me use fan maxed out at 95%.
It flashed successfully but as soon as I restarted the PC, I got a error at the GPU screen...