hi, i followed your giude, and now have a patched applehda.kext.
problem is, when i load it with kextload, no devices show up.
my card is adi1988. i tried to follow the guide to patch the dsdt file, but since that applies to another card (alc 889), i can't find the specified sections in my dsdt.dsl file.
any help? thanks.

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CPU: AMD Athlon 64 X2 5000+
RAM: 2 x 1 Gb
2xSATA HDD
ATA DVDRW
MB Asus M2N Nvidia MCP61
Video: GeForce 8600 GT 256 Mb RAM
ADI 1988 onboard audio
Audigy soundcard
Realtek lan