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Hi there folks!, I'm new in this forum but i'd like to make a little contribution in return for the many helpfull thing i got from here.

 

The first thing is the solution for the problem whit the AC'97 card (i have a Via AC97). There was 2 problems:

 

- Then sound is noisy, that's easy simply change the frecuency to the higer value, ie: 42.000.

- It only sond in the left speaker.

 

For the second problem I got the solution, Download the attachment, insde is the detailed instruccions and the kext for various cards (Via, Intel, AMD, ect) just pick the one fix to your hardware and follow the instruccions. Instrucctions available in Spanish and English.

 

Enjoy the new Stereo sound.

Audio_AC97_Stereo_Fix.zip

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i have copied AppleAC97CodecAD198x to /System/Library/Extensions/AppleAC97Audio.kext/Contents/PlugIns/AppleAC97CodecAD198x.kext/Contents/MacOS/, and do everything needed by kextload, but it is still only left channel.

My soundcard chip is Analog Devices AD1888.

Can you tell me what is wrong with above...

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