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List of AMD Radeon Navi cards in Catalina That work.

Joined
Jun 7, 2013
Messages
40
Motherboard
Alienware Aurora R7
CPU
i7-8700
Graphics
RX 580
Mac
MacBook Pro, Mac mini
Mobile Phone
iOS
After enabling WhateverGreen, with agdpmod=pikera it works after all.
Thank you, this fixed my Rx 580 issue (i removed the whatevergreen earlier to fix the issue, but can't disable IGPU), now with this flag, I'm able to disable IGPU.

I'm wondering what is different between Board-id and Board-ix ?
Also, Which SMBIOS are you using ?
 
Joined
Sep 5, 2012
Messages
26
Motherboard
Asus TUF Gaming Z390M-Pro
CPU
I5-9600K
Graphics
RX 5700 XT
Mac
MacBook Pro
Mobile Phone
iOS
You're most welcome! I'm just merely passing on wisdom of the elders from this fine forum.

I'm on iMac19,1.
 
Joined
May 7, 2017
Messages
8
Motherboard
MSI-Z270M-MORTAR
CPU
i7-7700
Graphics
RX 5700 XT
Mac
MacBook Pro
Mobile Phone
Android, iOS
Sapphire RX 5700 XT reference. No dual bios that I can see. DP didn't work so I just plugged in the HDMI. I didn't get the full 5120x1440 resolution or the Scaling option. I just used RDM to adjust resolution for now. Just installed it and haven't even booted up the windows side yet.
Have you found the approach to fix it? Thanks.

And btw, anyone tried these two below with DP to 4k or 5k? I really want to get one of them recently. Much thanks.

Sapphire Pulse 5700XT
Sapphire Nitro + 5700XT
 
Joined
May 13, 2011
Messages
550
Motherboard
DELL Inspiron 7560-1.3.0-CLOVER
CPU
i7 7500U
Graphics
HD 620 / GTX 940MX, 1920x1080
Mac
MacBook Pro
Mobile Phone
Android
Tried Sapphire Pulse 5700XT on XG-STATION-PRO connect to DELL Inspiron 7590.
OS X can detect and load driver, but no screen if connect monitor on 5700XT.

Not sure it caused by Whatevergreen or TB3 configuration.
 
Joined
May 15, 2016
Messages
5,000
Motherboard
GIGABYTE Z170M D3H
CPU
i5-6500
Graphics
RX 480
Mac
iMac
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