Contribute
Register

[Success] Radeon RX 6800 XT - Big Sur

Gigamaxx

Moderator
Joined
May 15, 2016
Messages
6,580
Motherboard
GIGABYTE X470 Arous Gaming 7 WiFi
CPU
Ryzen R9 3900X
Graphics
RX 480
Mac
  1. iMac
I have switched from a Radeon VII to a 6900 XT and now I have hiccups with my USB mouse/keyboard. Almost like the wireless connection to them drops. I didn't have these issues before. Any suggestions?
Is there a USB-C connector on the card? Remap USB kext?
 

Gigamaxx

Moderator
Joined
May 15, 2016
Messages
6,580
Motherboard
GIGABYTE X470 Arous Gaming 7 WiFi
CPU
Ryzen R9 3900X
Graphics
RX 480
Mac
  1. iMac
So has anyone tried to manually inject the new RadeonX6000 and framebuffer kext into the 11.3 release version?
Sounds fun. I'll see if I can find a 11.3 drive and test.
 

CaseySJ

Moderator
Joined
Nov 11, 2018
Messages
19,119
Motherboard
Asus ProArt Z690-Creator
CPU
i7-12700K
Graphics
RX 6800 XT
Mac
  1. MacBook Air
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. Quadra
Mobile Phone
  1. iOS
So has anyone tried to manually inject the new RadeonX6000 and framebuffer kext into the 11.3 release version?

Sounds fun. I'll see if I can find a 11.3 drive and test.
Not sure this is doable or practical because of cryptographically sealed system volume.
 

Gigamaxx

Moderator
Joined
May 15, 2016
Messages
6,580
Motherboard
GIGABYTE X470 Arous Gaming 7 WiFi
CPU
Ryzen R9 3900X
Graphics
RX 480
Mac
  1. iMac
Not sure this is doable or practical because of cryptographically sealed system volume.
You can’t directly replace them very easily, and the there is the security signing and release version issue. Normally you use older kexts not unreleased kexts on a volume.

There are still 2 more options though.
 
Joined
Mar 27, 2020
Messages
29
Motherboard
Z390 Designare
CPU
i9-9900K
Graphics
RX 6800
Mac
  1. MacBook Pro
Mobile Phone
  1. iOS
I am excited to hear that this is finally working; however, I am having trouble finding any working cards/brands lists. I just ordered the "ASUS Radeon RX 6800 XT TUF OC". Was it a good choice? If not, what should I look for?

I really appreciate any help you can provide.


EDIT:
Saw an earlier post that said if the device ID ended in "73BF," it would work, which my card has.
 
Last edited:
Joined
Jul 10, 2013
Messages
396
Motherboard
Gigabyte X299X Designare 10G
CPU
i9-10900X
Graphics
RX 5500 XT
Mac
  1. iMac
  2. MacBook Pro
  3. Mac Pro
Classic Mac
  1. eMac
  2. iBook
  3. iMac
  4. PowerBook
Mobile Phone
  1. Android
Does anyone else have problems with IGPU Multi monitor and 6000 series? With my 6900XT and a Z490 Pro Art I'm having black screen issues at boot, thus I have to reconnect DP to a different output. Weird.
 
Joined
Nov 25, 2019
Messages
4
Motherboard
Aorus x570 Elite / MSI Mpg Z390 Gaming Pro Carbon AC
CPU
Ryzen 3900X / Intel 9700k
Graphics
AMD Sapphire Nitro+ RX 6900XT / AMD Sapphire RX 580
Mac
  1. iMac
  2. MacBook Pro
  3. Mac Pro
Mobile Phone
  1. iOS
Does anyone else have problems with IGPU Multi monitor and 6000 series? With my 6900XT and a Z490 Pro Art I'm having black screen issues at boot, thus I have to reconnect DP to a different output. Weird.
Try to use agdpmod=pikera in the boot-args it works for my Sapphire Nitro + RX 6900XT
 
Joined
Nov 8, 2020
Messages
9
Motherboard
Gigabyte Vision D 1.1
CPU
I9-10900KF
Graphics
RX 5700 XT
Try to use agdpmod=pikera in the boot-args it works for my Sapphire Nitro + RX 6900XT

Darkyus is correct , use the AGDMOD=PIKERA, I used this under my x570 with a Nitro + and it runs at PCIe 4
 
Joined
Oct 17, 2013
Messages
142
Motherboard
Chuwi AeroBook Plus
CPU
Intel i5 6287U
Graphics
HD550, 3840 x 2160
Mobile Phone
  1. iOS
Try to use agdpmod=pikera in the boot-args it works for my Sapphire Nitro + RX 6900XT
This boot-args works also with the update 11.3 ?
 
Joined
Nov 25, 2019
Messages
4
Motherboard
Aorus x570 Elite / MSI Mpg Z390 Gaming Pro Carbon AC
CPU
Ryzen 3900X / Intel 9700k
Graphics
AMD Sapphire Nitro+ RX 6900XT / AMD Sapphire RX 580
Mac
  1. iMac
  2. MacBook Pro
  3. Mac Pro
Mobile Phone
  1. iOS
This boot-args works also with the update 11.3 ?
This boot-arg is used for disabling boardID on Navi GPUs(RX 5000 series), without this you'll get a black screen. Don't use if you don't have Navi(ie. Polaris and Vega cards shouldn't use this) No mather what update are you using.
For example i used in catalina with an amd 5700 xt and now in big sur 11.4 with rx 6900xt
 
Top