Hello, I have recently bought a used XFX AMD Radeon™ RX 590 Fatboy Core Edition 8GB 1545MHz with the purpose to use it under windows but also under macos. I have then read that the XFX RX 590 original firmware makes it non compatible with the recent macos versions like Mojave and Catalina or Big Sur.
A "simple" way to re-gain macos compatibility seems to flash the board with the Powercolor Red Devil Vbios. I have seen this video
that shows how easy seems to flash the vbios without risks but saving before the original bios.
I have tried to follow the video guideline to do my job but suddenly faced big difficulties:
I have saved the XFX RX 590 Fatboy Core Edition 8GB 1545MHz Vbios with the command
amdvbflash -s 0 BIOS-backup.rom
and surprisingly the saved file is long as the 2 vbios dimensions or 512 K.
Then I have put the board switch toward the power connectors and saved the vbios from GPU-Z application. This time I have saved a file 256 K long. I have then tried to upload this file to Techpowerup data base but the answer of the procedure have been "we already know this file as 219267.rom" and be careful to flash it ...
Next I have put the board switch toward the external video connectors and again saved the vbios from GPU-Z application again 256 K long. I have then tried to upload this file to Techpowerup data base but the answer of the procedure have been "we already know this file as 223160.rom" and be careful to flash it ...
Finally, I have tried to flash the Powercolor Red Devil Vbios downloaded from Techpowerup data base: Powercolor.RX590.8192.181106.rom with the command
amdvbflash -p 0 BIOS.rom
and I have received an id mismatch error.
Then I have tried to flash the board bios from its backup receiving the answer "already loaded vbios" or similar... This test to see the amdvbflash application at work but nothing seen.
Now I am very disappointed because while I don't want to brick my valuable board payed a lot, I don't know how to safely test the powercolor RX 590 Firmware that other people say solved every compatibility problem with macos. By the way the XFX RX 580 is fully macos compatible out of box ... I would flash its vbios but the Powercolor one seems to be more compatible with my XFX board model...
Please help to clarify the 512 -256 K dimensions doubts of saved vbios as well as the safety of testing the Powercolor or other compatible firmwares according to the above mentioned video.
Thanks a lot.
Walter
A "simple" way to re-gain macos compatibility seems to flash the board with the Powercolor Red Devil Vbios. I have seen this video
that shows how easy seems to flash the vbios without risks but saving before the original bios.
I have tried to follow the video guideline to do my job but suddenly faced big difficulties:
I have saved the XFX RX 590 Fatboy Core Edition 8GB 1545MHz Vbios with the command
amdvbflash -s 0 BIOS-backup.rom
and surprisingly the saved file is long as the 2 vbios dimensions or 512 K.
Then I have put the board switch toward the power connectors and saved the vbios from GPU-Z application. This time I have saved a file 256 K long. I have then tried to upload this file to Techpowerup data base but the answer of the procedure have been "we already know this file as 219267.rom" and be careful to flash it ...
Next I have put the board switch toward the external video connectors and again saved the vbios from GPU-Z application again 256 K long. I have then tried to upload this file to Techpowerup data base but the answer of the procedure have been "we already know this file as 223160.rom" and be careful to flash it ...
Finally, I have tried to flash the Powercolor Red Devil Vbios downloaded from Techpowerup data base: Powercolor.RX590.8192.181106.rom with the command
amdvbflash -p 0 BIOS.rom
and I have received an id mismatch error.
Then I have tried to flash the board bios from its backup receiving the answer "already loaded vbios" or similar... This test to see the amdvbflash application at work but nothing seen.
Now I am very disappointed because while I don't want to brick my valuable board payed a lot, I don't know how to safely test the powercolor RX 590 Firmware that other people say solved every compatibility problem with macos. By the way the XFX RX 580 is fully macos compatible out of box ... I would flash its vbios but the Powercolor one seems to be more compatible with my XFX board model...
Please help to clarify the 512 -256 K dimensions doubts of saved vbios as well as the safety of testing the Powercolor or other compatible firmwares according to the above mentioned video.
Thanks a lot.
Walter