I have the VisionTek GF4 Ti4200 and I tried flashing it to a 4400 bios. But it failed for some reason and I don't know why. Does is anyone have a bios .rom that i can flash it with that will work and instructions so im doing it right. What program do you recomend and what rom will work...either a 4400 or 4200.

It won't work, as 4200 and the 4400 have different memory, timings, etc, it shouldn't work and you should be lucky u didn't mess ur card up. Remember the 4400 has BGA memory where the 4200 does not