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[GUIDE] On-board Audio for ALC662 Mountain Lion 10.8.x

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May be I missed something, but after I install these kexts I can not boot 10.8.5. Removing them solves the problem.

My 100% working solution for 10.8.2

I have ALC662 on-board and Gigabyte Nvidia GT640 OC 2048MB DDR3 (ALC662 + Nvidia HDMI Audio Working perfect)

No dsdt edits or copy and pasting of layout or platform files and no patching needed

Instructions:

1. Download archive and extract
2. Install all 3 kexts with KextUtility
3. Reboot & Enjoy :)
 
Device (HDEF)
{
Name (_ADR, 0x001B0000)
Method (_PRW, 0, NotSerialized)
{
Return (Package (0x02)
{
0x0D,
0x05
})
}

Method (_DSM, 4, NotSerialized)
{
Store (Package (0x04)
{
"layout-id",
Buffer (0x04)
{
0x0c, 0x00, 0x00, 0x00
},

"PinConfigurations",
Buffer (Zero) {}
}, Local0)
DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
Return (Local0)
}
}
 
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