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AppleHDA Kext Updates 10.5/10.6 for Intel DG31PR


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Only use this package on motherboard Intel Desktop Board DG31PR.

Before installing AppleHDA remove any other method. (DSDT, HDAEnable, VoodooHDA, etc.).

Install only in Leopard 10.5.8 or Snow Leopard 10.6.2

Choose one package according to SMBIOS and OS version. (iMac / MacPro)

Remember, this package is only to update, do not upgrade from earlier versions only on the marked.




HDAEnable incorporated.

More power to volume.

If not in use passes to mode saving energy. (requires proper installation of energy managers ACPI)

Speaker, Microphone rear, line-in, headphone and Digital-Out S/P-DIF are activated.

AppleHDA Unchanged binary, just editing the .Plist



No front microphone.



Only the user The King by his HOW-TO AppleHDA Patch.




iMac Leopard 10.5.8

iMac Snow Leopard 10.6.2

MacPro Leopard 10.5.8

MacPro Snow Leopard 10.6.2



Sorry about my English

Greetings from Ecuador

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  • 1 year later...

Thanks for Sharing your kext


i installed this kext (imac snow leopard 10.6.2 )on snow leopard 10.6.3 running on Intel Dg31PR everything was working fine except


1. front Mic not working

2. more bass on line out

3. Line out was named Internal Speaker


so i edited the kext and changed the verbs, now in my System Preferences --> sound -->i have line out, headphone and spdif , line out have better sound quality, correct bass level.


i tried to enable the front mic but unable to do so.


edited verbs


<11471c10 11471d40 11471e01 11471f01 11571cf0 11571d11 11571e11 11571f41 11671cf0 11671d11 11671e11 11671f41 11771cf0 11771d11 11771e11 11771f41 11871c30 11871d91 11871ea0 11871f90 11971c40 11971d91 11971ea0 11971f92 11a71c60 11a71d30 11a71e81 11a71f01 11b71c20 11b71d40 11b71e21 11b71f02 11c71cf0 11c71d11 11c71e11 11c71f41 11d71cf0 11d71d11 11d71e11 11d71f41 11e71c50 11e71d10 11e71e44 11e71f90 11f71cf0 11f71d11 11f71e11 11f71f41>


and the nodes are


20 12 2 Line out Rear

9 34 24 Mic Rear

8 35 26 Line in rear

27 38 37 Head phones front

30 6 Spdif


* * 25 for front mic <---- missing info about this one


i want to know what is the difference between imac and macpro kext

is it possible to edit the Vanila AppleHDA.kext from 10.6.7 for fixing audio

if you are using same board please tell me if your sleep is working


Vakakush :blink:


modified kext attached AppleHDA.kext.zip

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