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Fix audio of Huananzhi X79 Big Sur 11.2.3 OC

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My hardware

  • Huananzhi X79 Big Sur
  • E5-1650 v2
  • Radeon Vega 56
  • Audio : ALC887




  • HDMI audio is working
  • I tried fixing audio from Mojave to Big Sur, but not worked.
  • Well, I have HDEF device. But not working.
  • I think that I tried almost of supported layout of AppleALC wiki. (sudo nvram -c is needed for each trial?)


I uploaded my working efi folder except audio and removed intel wifi, bluetooth and resource folder due to big size of them.


For now, I can see HDEF device in IOregistry

However not available in hackintool and DCPImanager only shows vendor and device ID.



Screenshot 2021-04-09 at 10.54.03 PM.png

Screenshot 2021-04-09 at 10.55.35 PM.png

Do you want a sound or AppleALC?

You may have sound with VoodooHDA. Sure it is very good sound on ALC887.

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