ATI Bios Editor "Techpowerup"
 

TechPowerUp Radeon BIOS Editor (RBE) v1.20 Released
TechPowerUp today released Radeon BIOS Editor version 1.20, our popular ATI Radeon graphics card BIOS manipulation utility. The newest version of the software brings about some important feature-additions, along with improved stability and minor bug fixes. Changes in this version, as listed in the software's changelog is as follows:

• <LI itxtvisited="1">Added hex editor <LI itxtvisited="1">Added alternative BIOS extraction method <LI itxtvisited="1">(Hopefully) fixed the 3650 Device-ID-bug for good
• Fixed a bug concerning weird 4670 fan settings

For a complete version history, and to download the software, please visit this page