MP 1,1-5,1 how do i flash the amd diamond hd 7970

[themacpronovice2022]

hello, i have the amd hd radeon 7970, now i remeber seeing a video a few years ago you could flash the 7970 to get the mac bios screen on your mac pro. any idea how i can do it my self?

 

[zackkmac]

I believe this should be what you're looking for.