audio_hdmi_hd4000 ============ OS X Ivy Bridge/7 Series/Socket 1155 - HD4000/AMD/Nvidia HDMI Audio With or Without DSDT Edits v3: 8/10/2015 - New ssdt method/credit RehabMan, initial 10.11, native CPU/GPU PM and Nvidia Maxwell support v2: 8/15/2014 HDMI audio for OS X HD4000 systems with either: 1. HDMI audio edited dsdt or 2. the HDMI audio ssdt. Both techniques enable native Ivy Bridge graphics power management. Details [Guide]_HD4000-hdmi_audio_(dsdt_or_ssdt)_v3 [Guide]_HD4000-hdmi_audio_(dsdt_or_ssdt)_v2 - DEPRECATED [Guide]_NUC-hdmi_audio_(dsdt)_v2 [Guide]-OSX-hdmi_audio-hdef_audio-dsdt_v3, see https://github.com/toleda/audio_hdmi_guides [Guide]-OSX-hdmi_audio-hdef_audio-ssdt_v3, see https://github.com/toleda/audio_hdmi_guides OS X HD4000/AMD/Nvidia HDMI Audio (Audio ID: 3 = patch-A3 = filename-3, etc.) Problem Reporting 1. https://github.com/toleda/audio_ALC_guides/blob/master/Problem%20Reporting.md Credit: PikeRAlpha https://pikeralpha.wordpress.com/2013/09/19/haswell-hdau-solution/ bcc9 Post #11 - http://www.insanelymac.com/forum/topic/290783-intel-hd-graphics-4600-haswell-working-displayport/?p=1934889 toleda https://github.com/toleda/audio_hdmi_hd4000 README.txt