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[SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

CaseySJ

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Joined
Nov 11, 2018
Messages
18,926
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
Thank you so much for your service in putting all this together and continuing to support the thread

I'm doing a clean install of Big Sur, because I'm leaving my GTX 1060, High Sierra, and Clover behind, but until there's some support for the Big Navi GPUs, I'm going to turning off the GPU slot in OpenCore, and just running off the iGPU in my i5-9600k
Do you have any insight on what the best system definition for this is going to be, and what changes I should make to the 0.6.4 EFI?
Sorry for asking for you to hold my hand, but I'm tryina get this first OpenCore build right!
The best option I believe is still iMac19,1 for nearly everyone. For videographers, however, iMacPro1,1 with an AMD GPU will produce the best export (rendering) speeds.
 
Joined
Jan 1, 2020
Messages
525
Motherboard
Gigabyte Z390 Designare
CPU
i5-9600K
Graphics
RX 5700 XT
Mac
  1. iMac
  2. MacBook Pro
  3. Mac mini
Merry (day-after) Christmas!

Good to know: With platform ID 0x3E9B0007 (non-headless) and using on-board HDMI and on-board TB3, tv app works fine with iMac19,1.

However, yesterday @lerass provided this interesting post (I haven't tried the suggestion yet) to enable tv app using AMD GPU:
Bash:
defaults write com.apple.AppleGVA gvaForceAMDKE -bool YES
defaults write com.apple.AppleGVA gvaForceAMDAVCEncode -bool YES
defaults write com.apple.AppleGVA gvaForceAMDAVCDecode -bool YES
defaults write com.apple.AppleGVA gvaForceAMDHEVCDecode -bool YES
Merry christmas :)

Yes, terminal commands are same ! It work with and without IGPU. Theses commands seems to be known for long time as we can see on @zangadao post :)
 

CaseySJ

Moderator
Joined
Nov 11, 2018
Messages
18,926
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
Merry christmas :)

Yes, terminal commands are same ! It work with and without IGPU. Theses commands seems to be known for long time as we can see on @zangadao post :)
Awesome! Thank you for confirming that those commands work.
 
Joined
Mar 27, 2019
Messages
6
Motherboard
Gigabyte Z390 Designare
CPU
i9-9900k
Graphics
MSI Radeon Vega 64
Please try this:
  • Boot Mojave using Clover
  • Then open Terminal and type:
Bash:
sudo touch /System/Library/Extensions && sudo kextcache -u /
  • Then reboot and see if OpenCore can boot Mojave
Thanks a bunch, it is working now. Have a great holiday season @CaseySJ - the same of course goes for everyone on this forum!
 

CaseySJ

Moderator
Joined
Nov 11, 2018
Messages
18,926
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
Do we definitively know if Big Sur resolved the issue with the USB devices by chance?

I'm wondering if it's safe to remove this USB expansion card and go back to on-board, or if it's still best practice to use the card and forgo the motherboard connections?
We're actually counting on those who experienced this problem to let us know. I cannot reproduce it because of my lack of USB 2 devices.
 
Joined
Feb 23, 2020
Messages
19
Motherboard
Gigabyte Aorus Z390 Pro
CPU
i9 9900K
Graphics
5700XT
Mac
  1. Mac mini
Mobile Phone
  1. iOS
Hi all,
I just tried following the guides written by @CaseySJ and flashed my Titan Ridge V2 (and applied SSDT patch), but after that the card won't recognize any device in macOS. System Info -> Thunderbolt does show stuff now but any time I connect a device, port speed changes from 40Gb/s x1 to 20Gb/s x2 and then nothing.
Weirdly the flashed card works in linux and if I then warm reboot to macOS then it still works, but System Info still shows "No device connected", and if I then do a hotplug then it'll stop working again.
For now I had to flash it back to stock. Anyone can help me on this please?
 
Last edited:
Joined
May 5, 2015
Messages
45
Motherboard
Gigabyte Z390 Designare
CPU
i9-9900K
Graphics
Vega 64
Mac
  1. iMac
  2. MacBook Air
  3. MacBook Pro
Mobile Phone
  1. iOS
Kind of an interesting problem cropped up, @CaseySJ, with my USB. I have a powered (90w) 12-port USB hub connected via USB-C on the motherboard. Previously, everything worked without issue. Suddenly, the only thing Catalina recognizes as connected to that hub is my LaCie external drive. My Komplete S49 Mk2 controller used to work, I was using it in Cubase/Ableton just fine maybe two weeks ago. Yesterday? No joy. It doesn't even show as connected in System Report. Nor do any of the other peripherals I have connected there, with the lone exception being the LaCie drive.

I rebooted in to Windows and everything shows up just fine there. Which would seem to rule out the hub itself, or mass extinction of the peripherals.

I swear I haven't touched anything. I have tried powering down, disconnecting power for 10 minutes, powering on. No change. Any thoughts on where to start?
 
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