This BIOS is for sapphire hd 4770 arctic cooling edition, blue pcb, I think it is bugged because I cant go higher than 863 mhz on gddr5, not even 1 mhz!! Does somebody know if I can use the ASUS TOP BIOS with this, even if it has a different vgpu?(uP6201BQ) Not mater if I cant change voltage...