Tomi Posted November 4, 2021 Share Posted November 4, 2021 Hello, Is anybody here who has installed Big Sur on M4800 and has AUDIO working ? Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted November 4, 2021 Moderators Share Posted November 4, 2021 should be the same as Catalina or Mojave. What issue are you having? Post EFI and IOReg file using IOregistryExplorer.app v2.1 Link to comment Share on other sites More sharing options...
Tomi Posted November 6, 2021 Author Share Posted November 6, 2021 Hello Jake Lo. I knew you'd get in touch I have fix it! Steps In my case: 1. Used AppleALC.kext (CodecCommander.kext is no needed) 2. OC 0.7.5 3. On config.plist: DeviceProperies/Add/PciRoot(0x0)/Pci(0x1B,0x0) and layout-id = 12 This is for my sound card ALC292 and layout = 12 Best regards TOM Link to comment Share on other sites More sharing options...
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