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Mountain Lion HDMI Audio

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Intel I5 3570K
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Don't see any problems in IOReg. Install the native dsdt, restart and verify sleep. Reply with result.

My motherboard doesn't require a DSDT, so I attached the IOReg without DSDT. Wake from sleep works with no issue, but of course I don't have HDMI audio at all.
 

toleda

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My motherboard doesn't require a DSDT, so I attached the IOReg without DSDT. Wake from sleep works with no issue, but of course I don't have HDMI audio at all.
Did you have iTunes, XBMC, Parallels, Chrome etc. running before you put the system to sleep? The experiment has to be the same with both dsdts to be valid. Attach the HDMI audio edited dsdt and the sleep working dsdt.
 
Joined
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Intel I5 3570K
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Did you have iTunes, XBMC, Parallels, Chrome etc. running before you put the system to sleep? The experiment has to be the same with both dsdts to be valid. Attach the HDMI audio edited dsdt and the sleep working dsdt.

Yes I did make sure to have the apps running before sleep. Attached is a zip that has the original dsl file (GTX660.dsl) without any patch and the edited dsdt file (dsdt.aml).

I have three displays connected to GTX660 - two monitors and one TV. I think it's not only the wake from sleep, it's something related to one or all displays power on and off. You know when a display is powered on or off, all of the other displays turn into full screen blue color for several seconds, and then return to normal. Sometimes the issue happens right there, when I turn on/off the TV, after the flash, Windows in Parallels will prompt something like the sound device is no longer available, and shortly after that the apps I listed, system preference, the sound botton on the menubar will all freeze. Sleep is a special case that all displays are off and on again.

I don't have this issue when running the system without a dsdt.
 
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Hi toleda
still hdmi not work in 10.8.2
alc 889
6719 aa80
how to enable hdmi audio run my video card please look my dsdt and ioreg file.
thankyou.
 

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  • dsdt ioreg.zip
    656.8 KB · Views: 54

toleda

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Hi TOLEDA,

I have the GA-Z77N-WIFI and using the onboard graphics. I use the DSDT from Tonymac86 for this motherboard that supposed to enable the HDMI audio but no HDMI audio and I don't see the HDMI option the in the system preferences.

Please help.


Thanks,
manille
 

Attachments

  • DSDT.aml.zip
    13.5 KB · Views: 75
Joined
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  2. Mac Pro
The HDMI audio dsdt edits for the second graphics card are not correct
any idea fixed dsdt 2nd v.card.
thanksman.
 

toleda

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Core i7-4770K
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Mobile Phone
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I have the GA-Z77N-WIFI and using the onboard graphics. I use the DSDT from Tonymac86 for this motherboard that supposed to enable the HDMI audio but no HDMI audio and I don't see the HDMI option the in the system preferences.
Edit dsdt/HDEF/layout-id to 0x03, 0x00, 0x00, 0x00, complie, install and restart.
Reply with a copy of IOReg. [Guide] How to Make a Copy of IOReg.
 
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