Lost audio after 10.8.5 Combo Update. Tried to install AppleHDA for ALC889 to no avail. Some more information:
1. No audio output from green connector, used to work with 10.8.4, audio input via iSight (firewire) works
2. Gigabyte GA-Z68X-UD3H-B3 (BIOS F12), i7 2600k@4,2GHz, 10.8.5...