I've been searching for hours and can't find a straight answer.
Is it possible to flash an RX 580 to get the boot screen?
Is it possible to flash an RX 580 to get the boot screen?
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Mac Pro 4,1->5,1 RX 580 BIOS
- Thread starter GalactiNaut
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As far as I know only Apple ever used the UGA( Universal Graphics Adapter ) for their EFI systems. PC's used the GOP( Graphics Output Protocol ) and I think later Intel Macs with builtin graphics use GOP as they have UEFI firmwares.
All the cMP's use UGA, and I think the nMP( 6,1 ) uses UGA.
I've got a MP3,1 shipping to me, it was listed as non-working, so it maybe a little while, but once I get it running I plan to try and get GOP working on that system, in the hopes we can get it working for the 3,1/4,1/5,1. Two users reported years ago that they got it working, and one was using a 3,1, but no one was ever able to reproduce that work, so I'll have to get to the bottom of it, one way or the other.
All the cMP's use UGA, and I think the nMP( 6,1 ) uses UGA.
I've got a MP3,1 shipping to me, it was listed as non-working, so it maybe a little while, but once I get it running I plan to try and get GOP working on that system, in the hopes we can get it working for the 3,1/4,1/5,1. Two users reported years ago that they got it working, and one was using a 3,1, but no one was ever able to reproduce that work, so I'll have to get to the bottom of it, one way or the other.