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UEFI boards vs HD 6850 video card

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aol

Joined
Apr 14, 2011
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498
Motherboard
MSI PRO Z690-A DDR4
CPU
i7-12700K
Graphics
RX 6800 XT
Mac
  1. MacBook Pro
  2. Mac Pro
Mobile Phone
  1. iOS
I've previously used UniBeast/MultiBeast on a GA-X58A board with a GA HD 6850 graphics card on ML and had no issues. However, I've updated to a GA Z77X-UP4 TH board, and the same video card is giving me fits. I've tried various combinations of GraphicsEnabler=Yes/No and various AtiConfig personalities (Bulrushes and Duckweed, mainly). I can't get to the desktop unless I boot in safe mode.

What are the general guidelines for getting a discrete video card working on a UEFI board with 10.8.4? I've read about patching ATI6000Controller.kext, and I know there is a process involving extracting a DSDT for my system. Any suggestions would be appreciated.
 
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