Rage3D.com This is the first universal BIOS editor for Radeon-based videocards. This program let you modify clock speeds and BIOS fonts for any videocard based on R100, RV100, RV200, R200 chips. Version 0.95 - was the first public release. Program accepts BIOS image file as input data and generates correct output BIOS image file as a result of processing. What's new? ? 9x16 and 8x14 fonts bugfix;
? View fonts...;
? 'None' TVstd always present;
? VendorID change;
? no more Win32 console version;
? GUI no more loads files with bad checksums;
? Radeon 8500 BIOS reconstruction;
? no more checksums in GUI;
? more support for non-ATi (Gigabyte) bioses;
? some minor changes.

Download ATI BIOS Editor RadEdit v1.0