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tobiastimpe

Get ALC883 working without VoodooHDA

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Hey guys,

 

I just can't take it anymore: Every time I reboot my system, VoodooHDA resets the settings for my optical SPDIF output to 192000 Hz and 32-Bit, which is, since optical SPDIF can only handle 20-Bit, a bit (lol) too much.

 

I tried to use Automator to run something at login with GUI scripting, I knew it wouldn't be a good solution. It didn't work anyway.

 

Now I want to actually patch the DSDT of my ASUS P5N-D motherboard to include the HDEF stuff I heard about, but what exactly do I have to do?

 

I know I also need AppleHDA.kext from 10.6.2, but how do I actually patch my DSDT?

 

 

Thank you guys in advance

 

Tobias

 

OK, just saw the DSDT forum, maybe that would be a better place, mod should decide :)

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Hey guys,

 

I just can't take it anymore: Every time I reboot my system, VoodooHDA resets the settings for my optical SPDIF output to 192000 Hz and 32-Bit, which is, since optical SPDIF can only handle 20-Bit, a bit (lol) too much.

 

I tried to use Automator to run something at login with GUI scripting, I knew it wouldn't be a good solution. I didn't work anyway.

 

Now I want to actually patch the DSDT of my ASUS P5N-D motherboard to include the HDEF stuff I heard about, but what exactly do I have to do?

 

I know I also need AppleHDA.kext from 10.6.2, but how do I actually patch my DSDT?

 

 

Thank you guys in advance

 

Tobias

 

OK, just saw the DSDT forum, maybe that would be a better place, mod should decide :)

 

See post #5 here..........and look for a OX Lion compatible legacy ALC883 kext.......

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Ok, so I modified my DSDT according to the linked instrustions, but my system would always KP on boot when I tried to use it.

 

I now have a small app written in AppleScript to open the Audio-MIDI-Setup utility and set everything up the right, but I would still love to just have "native" audio working.

 

I've attached the DSDTs below, if anyone could check it and find out what I did wrong.

 

Thanks in advance

 

Tobias

 

P5N-D DSDT.zip

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Ok, so I modified my DSDT according to the linked instrustions, but my system would always KP on boot when I tried to use it.

 

I now have a small app written in AppleScript to open the Audio-MIDI-Setup utility and set everything up the right, but I would still love to just have "native" audio working.

 

I've attached the DSDTs below, if anyone could check it and find out what I did wrong.

 

Thanks in advance

 

Tobias

 

P5N-D DSDT.zip

 

Try the patched DTGP and HDEF patched dsdt.aml file here (rename a copy as DSDT.aml and put in /Extra or in /):

verdant P5N-D DSDT.zip

with Legacy ALC883 kexts in /E/E to see if any work for you.......

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Thanks verdant!

 

This at least gets me to the point where the audio chip gets properly recognized as "Intel HD Audio" in System Profiler, but nothing more. I already tried the ALC8xx kext from [url="http://www.insanelymac.com/forum/topic/279450-why-insanelymac-does-not-support-tonymacx86/"]#####[/url] in conjunction with the AppleHDA rollback.

 

What exactly do you mean by "legacy ALC883 kexts" or should I say, which one(s)?

 

Thanks for all your help.

 

Tobias

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Thanks verdant!

 

This at least gets me to the point where the audio chip gets properly recognized as "Intel HD Audio" in System Profiler, but nothing more. I already tried the ALC8xx kext from [url="http://www.insanelymac.com/forum/topic/279450-why-insanelymac-does-not-support-tonymacx86/"]#####[/url] in conjunction with the AppleHDA rollback.

 

What exactly do you mean by "legacy ALC883 kexts" or should I say, which one(s)?

 

Thanks for all your help.

 

Tobias

 

BTW MacMan's ALC8xxHDA.kext is a single combined LegacyHDA kext replacement ONLY FOR Realtek ALC888, ALC887/888b, ALC889, ALC885/889a, and ALC892 high-definition audio codecs.......not ALC883.......

 

A legacy kext is an Info.plist-only kext.........it purpose is to inject the necessary device information and configuration into the kernel, without the need to modify an actual corresponding kext, e.g. a kext residing in /Sytem/Library/Extensions......

 

If you look in the Contents folder of a legacy kext, you will invariably see just an Info.plist file (and sometimes a Resources file)......

 

I hope this helps you locate a working ALC883 legacy kext to put in /E/E that works with the 10.6.2 version AppleHDA.kext in /S/L/E.......use IM Search function and /or Google with ALC883 and legacy kext etc. as search terms.....

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So, I tried several legacy ALC883 kexts but none of them seem to work.

 

The farthest I got was most of my inputs showing up in "System Profiler", but not in "System Preferences".

 

I always get 2 sound assertion errors in the console, pathMap_aDriverInstance and createAudioEngines.

 

Still trying to at least get VoodooHDA working, the newest version doesn't even seem to work, all I get is a kernel panic when setting proper audio settings.

 

Tobias

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So, I tried several legacy ALC883 kexts but none of them seem to work.

 

The farthest I got was most of my inputs showing up in "System Profiler", but not in "System Preferences".

 

I always get 2 sound assertion errors in the console, pathMap_aDriverInstance and createAudioEngines.

 

Still trying to at least get VoodooHDA working, the newest version doesn't even seem to work, all I get is a kernel panic when setting proper audio settings.

 

Tobias

 

This topic may be of interest.........

 

I presume that when trying the various ALC883 legacy kexts with the HDEF/DTGP patched DSDT.aml file, you have been using the Snow Leopard v10.6.2 AppleHDA.kext

 

AppleHDA.1062.zip

 

in the place of the OS X Lion 10.7.x AppleHDA.kext in /S/L/E/ as you should do......renaming the OS X Lion AppleHDA.kext as, for example, AppleHDA.kext.1072_Orig via Terminal, which converts it to a folder and so stops it loading.....allowing AppleHDA.1062.kext to load instead.....

Edited by verdant

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Thanks for the link, I had instant success with the kext from the linked thread.

 

The only thing that's missing is the SPDIF output, What do I need to change?

 

Thanks

 

Tobias

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cannot get my ALC883 to work

 

I have a GA-G31M-ES2L rev 2 with ALC883 audio.

Running ###### with DSDT on lion 10.7.4

I have tried all voodoo with no luck

I have tried every alc883 kext i can find on the internet.

The system profiler shows Intel High Defiinition Audio under Audio Hardware with Audio ID: 12 which I don't know what this means.

I think something els maybe stopping sound form working but I've run out of things to try. Please Please Please Help This is sooooooooooooo frustrating as I've been doing this for a week!

 

Joe

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How the hell am I suppose to know you don't like to ny mac on here.

 

I am looking for a solution not some gobby arrogant nerfherder.

 

I have tried all boot loaders including chameleon, chim era, kake walk etc and still no sound!

 

Please help!

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