NiBiTor v2.8a
 

We have has just released a new version of NVIDIA BIOS Editor (NiBiTor) software. NiBiTor is the original and defenitive BIOS tweaker that supports the latest NVIDIA graphics cards. NiBiTor allows graphics card enthusiasts to have full control over advanced features and functionality found on firmware of supporting cards. And this to gain some extra performance, enable certain hidden features and get extra stability on the NVIDIA based graphics cards.

http://www.mvktech.net/content/view/3034/