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alt text #audio_realtekALC OS X/Patch in Place AppleHDA Realtek ALC Audio

Native AppleHDA

The Realtek Realtek ALC Patched method enables OS X AppleHDA onboard with or without HDMI and DP audio. The script patches the audio codec binary and installs pin configuration, layouts and platforms files.

Versions: audio_realtekALC-110

  1. Easy: .command, see C. Installation
  2. Bash: .sh, see D. Terminal

Updates

  1. 6-15-15 - 10.11 - El Capitan Realtek ALC AppleHDA.kext Initial Support

A. Requirements

  1. OS X/Chameleon/Chimera/Clover
    1. 10.11/El Capitan, set boot flag: rootless=0
    2. 10.10/Yosemite, set boot flag: kext-dev-mode=1
    3. 10.9/Mavericks
    4. 10.8/Mountain Lion
  2. Native AppleHDA.kext
    1. Need native?
  3. Supported Realtek onboard audio codec
    1. Unknown codec?

B. Realtek ALCxxx (verify codec and Audio ID)

  1. Supported codecs
    1. 269 (BRIX only)
    2. 283 (BRIX Pro and NUC only)
    3. 885
    4. 887
    5. 888
    6. 889
    7. 892
    8. 898
    9. 1150
  2. Supported Audio IDs

    • Audio ID: 1 supports 269, 283, 885, 887, 888, 889, 892, 898, 1150

      Realtek ALC audio (default, 1/2/3/5/6 motherboard audio ports)

    • Audio ID: 2 supports 887, 888, 889, 892, 898, 1150

      Realtek ALC/5.1 surround sound (3 motherboard audio ports)

    • Audio ID: 3 supports 887, 888, 889, 892, 898

      HD3000/HD4000 HDMI audio with Realtek ALC audio

C. Installation

  1. Patched AppleHDA.kext
    1. Download (View Raw) audio_realtekALC-110.command
    2. Double click Downloads/audio_realtekALC-110.command
    3. Password:
    4. Confirm Codec ALCxxx: (885, 887, 888, 889, 892, 898, 1150 only)
    5. Enable HD4600 HDMI audio (y/n): (887, 892, 898, 1150 only)
  2. Verify Patched AppleHDA kext installed
    1. S/L/E/AppleHDA.kext_vx.x-toledaALCxxx
  3. Restart
  4. Verify ALC onboard audio
    1. System Preferences/Sound/Output/select audio device

D. Terminal

  1. audio_realtekALC-110_v1.0.4: 887/888 legacy detection, bug fixes
  2. v1.0.3: First release

E. More Information

  1. Details
    1. Realtek ALC Audio Solutions
    2. Requirements - Supported/Unsupported
    3. Notes
    4. Guides
    5. Tools
    6. Problem Reporting
  2. Terminal Saved Output

Credit THe KiNG, bcc9, RevoGirl, PikeRAlpha, SJ_UnderWater, RehabMan, TimeWalker75a, lisai9093

toleda https://github.com/toleda/audio_realtekALC