Ivy Bridge + discrete HDMI audio

Discussion in 'HDMI Audio' started by fozzylyon, Jul 28, 2012.

  1. fozzylyon

    fozzylyon

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    Jul 28, 2012 at 5:31 AM #1
    fozzylyon

    fozzylyon

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    I've searched for working examples of ivy bridge + discrete hdmi audio, but haven't found anything.

    To anyone that has an ivy bridge system with hdmi audio + video from a discrete graphics card, I'd like to know what build has worked for you.

    Thanks in advance!
     
  2. toleda

    toleda Moderator

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    Jul 28, 2012 at 9:27 PM #2
    toleda

    toleda Moderator

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  3. fozzylyon

    fozzylyon

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    Jul 28, 2012 at 10:59 PM #3
    fozzylyon

    fozzylyon

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    My current build (3770k + ga-z77-ds3h + 570 Ti) doesn't seem to support it. So, I'm hoping that someone's had success with either a different mobo, different gpu, or both.
     
  4. toleda

    toleda Moderator

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    Jul 29, 2012 at 12:27 AM #4
    toleda

    toleda Moderator

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    Does a 3770K/p8z77i deluxe/gtx 570 hd system with HDMI audio qualify? OS X HDMI audio will not work on your or any z77-ds3h system until you do the dsdt edits.
     
  5. MacTester57

    MacTester57

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    Aug 4, 2012 at 10:00 AM #5
    MacTester57

    MacTester57

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    Toleda,
    What about the new UEFI BIOS for my MoBo? When I install this, then no DSDT will be required anymore. Does that mean, I have to follow your guide for encoded DD / DTS (which is working now), but without the DSDT part?

    Thank you
     
  6. toleda

    toleda Moderator

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    Aug 4, 2012 at 9:10 PM #6
    toleda

    toleda Moderator

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    Even with UEFI, you still have a dsdt. The functionality provided by the native dsdt may satisfy your needs. HDMI audio is not available in the native dsdt. With or without UEFI, a HDMI audio edited dsdt is required for HDMI audio in OS X.
     
  7. MacTester57

    MacTester57

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    Aug 4, 2012 at 9:21 PM #7
    MacTester57

    MacTester57

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    Thanks

    If I would extract the vanilla "UEFI" DSDT after the BIOS Update, would the required DSDT-edits for HDMI-sound be the same as described in your guide?
     
  8. toleda

    toleda Moderator

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    Aug 4, 2012 at 9:26 PM #8
    toleda

    toleda Moderator

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    Yes.
     
  9. MacTester57

    MacTester57

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    Aug 4, 2012 at 9:29 PM #9
    MacTester57

    MacTester57

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    OK, thank you!
     
  10. Yicker

    Yicker

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    Aug 5, 2012 at 12:12 AM #10
    Yicker

    Yicker

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    I am running out of ideas with my attempts to get HDMI audio working with my new GA-Z77X-UP5 TH with an Zotac GTX680.
    It seems as if this UEFI bios is a bit different from my old GA-H61N-UBSB3. So the guide didn't work for my new system right now.

    I already built a DSDT working and having no errors or warnings. It already has a PEGP, but simply replacing it with the generic patch doesn't work.
    Even a replacement of the Device(PEGP) with the generic code leads to an error due to an already existing _PWR in a Scope (?) definition.

    @Toleda: I attached my IOReg and the "vanilla" DSDT.dsl for this configuration. It would be nice if you could have a look on it.

    I think this wonderful new board in combination with a discrete Nvidia graphics card will be a popular combination for new builders.
    Perhaps you could help a lot of others too.

    Thanks in advance,

    Yicker
     

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