I flashed my Powercolor 3850 512MB with the sapphire bios from "the-strokes" but my voltage remains the same (1.28v 3D) :( the BIOS does nothing but creat an 2D profile with 297Mhz core and 1.24v. With the stock bios, the card runs constantly at 720MHz and 1.28v for both 2D and 3D.