OS X El Capitan HDMI Audio not working (Enoch Vanilla)

Nxtlinyo

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AMD OS X Member
Apr 26, 2026
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I have tried to get mu audio working in the past few days now, and well no progress, VoodooHDA works with only onboard audio, AppleALC isn't supported, what to do to get it working?
 
Which audio codec are you trying to get working?
 
As I use -v in Enoch it says it uses default hdau layout inside bootloader boot services and then it just boot normally (of course)
 
OK, the audio from your ATI HD 6450 won't be enabled via a Realtek Audio codec. So you don't need to use an AppleALC.kext Layout ID in your Enoch org.chameleon.Boot.plist.

Do you have HDAEnabler.dylib in the /Extra/modules folder?
Do you have any graphics kexts for the HD6450 dGPU in the /Extra/Extensions folder?
I recall using some additional graphics kexts (AMD6000 & AMDRadeonX3000 kexts) for a HD6450 dGPU when hacking an old AMD Turion CPU system i.e. a HP Microserver Gen7 Hack.

The thread for this old AMD system can still be found over at InsanelyMac, it is quite a long read. Short cut to the kexts I used with Yosemite can be found in the 5th post on page 13 in the thread.


Not sure if they would be any help as they were for Yosemite not El Capitan. You could at least check to see if the El Capitan versions of these kexts are present and enabled in your El Capitan installation. Also that the correct Device-ID/Vendor-ID for your HD6450 card are present in the kexts.

I used the 'Pithecia' Framebuffer with the HD6450 dGPU when running El Capitan and Yosemite. Adding this to your org.chameleon.Boot.plist against the 'AtiConfig' entry might help with the Audio.
 
Pithecia FBName wont work either, My extra folder doesnt havemodules, no raphics kext in Extensions folder but its in the os itself
 
Are you using the Chameleon Wizard app to configure your Enoch bootloader?

 
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