NiBiTor v2.2a released...
 

It has just been released, a new version of NVIDIA BIOS Editor (NiBiTor) software. This tool allows users to tune and edit the NVIDIA GeForce BIOS. This to gain some extra performance and stability on the NVIDIA GeForce graphics cards.

Changes in this Version
Fixed wrong clockrate multiplier for GeForce 7800 GTX
Fixed BIOS version not displayed on some GeForce FX
Timings editable on GeForce 7800 GTX

Direct link : http://www.mvktech.net/content/view/1854/