Today we are releasing the new Haswell DMG updated that includes updated SSDT’s for MSI and Asus 9-Series Motherboards. This update enables onboard audio for MSI motherboards and Asus motherboards running with the latest BIOS Release.
To patch audio you will need to make some changes with the script. I am going to see if the script can be changed for the long term so the following steps are not always needed. Download the script via the link on the DMG. Unpack the correct script. Right Click on the script and then find all HDEF and replace them with HDAU. Then save and then run the script. Then the script will patch audio. Enjoy.
Please post IOREGS after the update so that we can inject Ethernet onto every boards SSDT.