My quest to get HDMI sound working on my rx5500 xt 4GB video card.

[henkiew]

Opencore 5.9 Gigabyte rx5500 xt ryzen 3700 gigabyte aorus x570 ITX motherboard.

With the ./gfxutil -f HDEF command I found this;

DevicePath = PciRoot(0x0)/Pci(0x8,0x1)/Pci(0x0,0x4
So with the hackintool I made a patch for my config.plist that looks like this;




I chose the layout id 7 from Ioregistryexplorer
Tried 1, but no luck. It showed as alc-layout-id
When I look in IO registryexplorer I get this;



I have sound coming from al other devices (USB end Realtek outputs)



Is there anybody with some sound ;-) advice to make this thing work like it should?

The second problem is that after every reboot there is random 80% change I get a BSOD.

Kind regards,
Henk

 

[Aluveitie]

I have a Sapphire RX 5500 on the ASRock X570 ITX and audio over DisplayPort (directly or looped through USB-C) was working oob. I’m using MacPro7,1 though.

 

[rajovo]

I'm getting HDMI sound from my RX 580 but not always - meaning the audio output device is sometimes just not there. I have yet to find a rhyme or reason to why is this happening.

 

[rawtoast]

Looking at your plist, you don't have alcid set. As you are also on an X570 ITX board, I would assume you need to use alcid=7 to boot-args.

I believe most X570 boards are similar, so if you want to try getting your BT chip working too take a look at the EFI on my github. I've not bothered trying the rear ports though, as I always use HDMI or BT. You can also remove the reference to ApfsDriverLoader.efi since you're on 0.59.

OpenCore config.plist Sanity Checker

Sanity check your OpenCore config.plist

opencore.slowgeek.com

It also looks like you forgot to add a MAC address, but I had no issues when I forgot to do so!