ML: UEFI HDMI audio, no dsdt edits

[okeribok]

hi,

could you please help me with ml hdmi audio? i posted a short while ago here i think i included all needed files there. is there anything really obvious i could have missed?

thanks in advance!

 

[toleda]

i would love to have hdmi audio. can you see what is wrong?

Cannot use a desktop SSDT on a laptop. IOReg shows many issues. Extract your dsdt and attach.

 

[Jabbawok]

I'm a little stuck here.

Hi there, could you look at these files and see where I've gone wrong?
1: Gigabyte GA Z77mx-D3h/ th F3 bios/ i3770 /GT640/ 10.9.2
2: audio_ssdt-hdmi-ami_hd4k-amd-nvidia-3_v5
4: see attached.

I understand the OB audio will not work, I have a usb DAC for that.
I've disabled the OB Video.


Thanks. Ben..

 

[toleda]

Hi there, could you look at these files and see where I've gone wrong?

Has HDMI audio worked previously with Clover?
If not, see toleda/audio_CloverHDMI. ACPI/DSDT/Fixes are interfering with the ssdt.

 

[zepsun]

How do I undo the "Capri framebuffer for port 0x6" - I think it f'd up my ability to boot with both PCI and IGFX enabled. After completing the guide, i can't get both cards to work together. Thought it might be this as it was the only thing I did after I had the HDMI port working on the HD4000. Either that, or I have a bad kext. What can I delete, or refresh to start over, without having to reinstall?

Thanks

 

[toleda]

i can't get both cards to work together.

Not related, see Mountain Lion: HD3000/HD4000 with AMD or Nvidia, Working Together, applies to Mavericks.

 

[zepsun]

Both guides say 10.8.x or newer? Could you advise on how to undo the changes I made from this guide, if necessary please? Do I need to revert, or can I just begin the guide you linked to?

I appreciate your guide, it's quite technical, so I might not understand all the changes I'm making.

Thanks.

 

[toleda]

Both guides say 10.8.x or newer?

Post #108, "applies to..."

 

[zepsun]

I was confused by the graphics instructions at the end of the guide. So I can just continue on with the graphics guide, no backtracking needed?

I still don't see any HDMI audio, however. When I enable the IGFX, I only get as far as the apple logo (boot stops at "NTFS volume name , version 3.1"

When I disable the IGFX, ML boots normally.

Something I want to be clear on - I definitely need to use a DDST and/or SSDT for this, even though I didn't need one for my motherboard when I installed ML?

I'm about to restart... but please my most recent post about org.chameleon changes. thanks.

 

[zepsun]

Update: I've been carrying on with the link you pointed me to. This is my definition block - it starts different than what's in your document: "iASLF7naXh.aml" ?? I'm guessing that's unique to me.

Installing the DSDT... Do I have to add any strings to the org.chameleon file? What specifically is a property injection? My org.chameleon is below. What should I add or delete? Thanks.

<key>GraphicsEnabler</key>
<string>No</string>
<key>EthernetBuiltIn</key>
<string>Yes</string>
<key>GenerateCStates</key>
<string>Yes</string>
<key>GeneratePStates</key>
<string>Yes</string>
<key>Kernel</key>
<string>mach_kernel</string>
<key>Kernel Flags</key>
<string>darkwake=0</string>
<key>Legacy Logo</key>
<string>Yes</string>
<key>Timeout</key>
<string>2</string>
<key>UseKernelCache</key>
<string>No</string>