Thanks in advance for your help.
View attachment jFive-Archive.zip
1. No audio I/O devices found.
2. OS X 10.10.1, Gigabyte GA-Z87X-UD4H Rev 1, BIOS F9 (On-board BIOS audio set to: ENABLED or AUTO), i7-4770k, integrated CPU GFX (Mutibeast v7.2, Chimera v4.0.1)
3. Guides: Realtek ALC AppleHDA (BOTH), Add_HDEF-kext.pdf and audio_ALCInjection (Output attached in ZIP)
4. IOReg Output (Attached in ZIP)
5. S/L/A AppleHDA.kext file (Attached in ZIP)
6. S/L/A HDAEnabler1.kext (Attached in ZIP)
7. Console search in "All Messages" for “Sound assertions” - no results found
8. Both GUI Screenshots 1-DPCIManager & 2-System Info - Audio Devices (Attached in ZIP)
9. audio_realtekALC-100 output (Attached in ZIP)
10. Chimera bits (Attached in ZIP)
11. Copy of this post as UTF-8 text file (Attached in ZIP)
Removing
IGPEnabler,
HDAEnabler and
HDEFLayoutID only mangled the video output (HDMI).