1GB DDR3 HD 6570 CLub3D to HD 6670 BIOS Download Link: http://www.hwmasters.com/upload/files/Bioses/Club3D.6570.DDR3.To.6670.7z
XFX HD 5770 1GB GDDR5 to HD 6770: http://www.hwmasters.com/upload/files/Bioses/XFX.HD5770-ZNFC_to_HD6770.7z
Gigabyte GT-210 DDR2 128-bit to GT-220...