Problem with boot x570 Aorus Master, Ryzen 9 3900x, RX 580

davemaster

New member
AMD OS X Member
Joined
Jul 20, 2020
Messages
7
Hi,

I have problem with boot. I send screenshot with stuck.

My specs:
CPU: Ryzen 9 3900x
MB: Gigabyte x570 Aorus Master rev 1.0
GPU: Asus Strix RX 580 Gaming 8GB
OS: Catalina 10.15.5

Possible error:

With GPU GTX 1080:
*
boot fine to installer (graphic glitch, but I know unsupported with Catalina).
*BIOS CSM disabled

With GPU RX 580:
*
stuck on boot (screenshot)
IMG_1752.jpeg
*BIOS CSM: I set DISABLED > save > long reboot > boot menu (I see now CSM enabled) > setup > CSM is enabled.
*I cant disable CSM with RX 580
*This GPU works fine with i7-5820K

Config, EFI and screenshot in attachment
 

Attachments

  • config.plist
    42.7 KB · Views: 5
  • EFI-share.zip
    2.3 MB · Views: 7

davemaster

New member
AMD OS X Member
Joined
Jul 20, 2020
Messages
7
Bios not fixed my problem.

I cant still disable CSM with rx 580.

Temporally fix:
Bios:
4G decoding enable
Boot args: 0x2000 or 0x3000 (both works)

for now works fine Ryzentosh with dual boot and both cards rx 580 + GTX 1080.


EDIT:

more stable with 0x2000
 
Last edited:
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