Gtx 590 hdmi audio help

[Zeia]

Mountain Lion 10.8.4

Samsung 840 Pro Series SSD 128GB SATA3 Basic Kit (MZ-7PD128BW)
ASUS ROG Maximus IV EXTREME-Z - ATX / Z68
Intel Core i7-2600K 3,4GHz / 8MB / Socket 1155 (Boxed)
ASUS GEFORCE GTX 590

Been trying to get HDMI Audio working but i cannot and need help please. Ive added this to the dsdt.aml but get compile error 255.

Device (PEGP)
{
Name (_ADR, 0x00030000)
Name (_PRW, Package (0x02)
{
0x09,
0x05
})

Device (GFX0)
{
Name (_ADR, Zero)
Name (_SUN, One)
Method (_DSM, 4, NotSerialized)
{
Store (Package (0x06)
{
"@0,connector-type",
Buffer (0x04)
{
0x00, 0x08, 0x00, 0x00
},


"@1,connector-type",
Buffer (0x04)
{
0x00, 0x08, 0x00, 0x00
},


"hda-gfx",
Buffer (0x0A)
{
"onboard-1"
}
}, Local0)
DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
Return (Local0)
}
}

Device (HDAU)
{
Name (_ADR, One)
Method (_DSM, 4, NotSerialized)
{
Store (Package (0x02)
{
"hda-gfx",
Buffer (0x0A)
{
"onboard-1"
}
}, Local0)
DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
Return (Local0)
}
}
}


==============================
Compilation complete. 49 Errors, 0 Warnings, 0 Remarks, 0 Optimizations

 

[toleda]

Been trying to get HDMI Audio working

No specs, no help. Trash what you've done; no research.
The sticky threads (Guides) in the HDMI Audio Forum are there so users don't mess up their systems.

 

[Zeia]

Sorry im a noob at this, not even sure if im doing it correctly, ive updated my specs and files. Can you guide me what to do so im doing it correctly. Please i been trying by myself but dosnt work.

 

[toleda]

Can you guide me what to do so im doing it correctly.

You do the work. See HD3000/6 Series MB dsdt edits - Desktop in Post #1 of Mountain Lion HDMI Audio - AMI DSDT