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Update 6/25/2012 -
10.7.4 AppleHDA.kext available in MultiBeast 4.6.0 and newer
The ALC885 edited Lion AppleHDA.kext is available for Lion 10.7.2/.3 and motherboards with the Realtek ALC885 audio codec . Supports most Lion analog and digital audio capabilities. Users interested in capabilities beyond standard on board audio should consider this option for HDMi audio (discrete and HD3000 integrated), front panel audio and more. This kext supports layout_id 885 for full 885 analog audio on any 885 motherboard with or without discrete graphics card HDMI audio (Note 1).
Verify the audio codec device_id for compatibility rather the product name (Note 3). For example, the ALC889a is actually the ALC885
Changes
1. 10.7.4 AppleHDA.kext
Benefits
1. 885 on board audio
2. HDMI audio, if configured
3. Front panel audio with auto mute
4. Optical Surround Sound (Note 2)
5. Improved audio quality
6. Less popping
7. Easy installation
8. Nearly native
Requirements
1. 10.7.2 or newer - 64 bit kernel
2. ALC885 audio codec/Device_id: 10ec0885 (Note 3)
3. dsdt w/HDEF/Layout-id is 0x75 0x03 0x00 0x00
Configurations

Installation
Available in MultiBeast_v4.6 and newer
1. Select: Drivers & Bootloaders/Kexts & Enablers/Audio/Realtek ALC8xx//Patched AppleHDA/ALC885
If no DSDT or no DSDT/HDEF, select both 1 and 2. If DSDT installed, skip Step 2
2. Select: Drivers & Bootloaders/Kexts & Enablers/Audio/Realtek ALC8xx/Non-DSDT HDAEnabler/ALC885
3. Always select: System Utilities
Installation Notes
1. Backup S/L/E/AppleHDA.kext before System Update
2. If a Patched AppleHDA selected, do not Select ALC8xxHDA or AppleHDA Rollback.
3. if a DSDT is installed, do not install an enabler
Attachments
1. 885_Lion_AppleHDA/Read_Me_First-885_AppleHDA.kext
-Read_Me_First-885_AppleHDA.kext.pdf
Customization
AppleHDA customization, see Customizing the Optimized Lion AppleHDA.kext
1. Add SPDIFIn - Standard Feature of 885 Optimized AppleHDA
2. Manual Mic and Front Mic Selection
3. Manual Speaker and Headphone Selection
4. Add Boost to input (Mic/Rear. Mic/Front and/or Line In)
5. Substitute Gray (Side) for Black (Rear)
6. Add Line Out (Gray/Rear -Rear Speakers) for analog 7.1 Surround Sound
7. Substitute SPDIF-2 Wire Output
8. SPDIF Optical Output/Encoded Digital Audio - Standard Feature of 885 Optimized AppleHDA
9. HDMI audio (AMD/Nvidia/HD3000) - Lion HDMI Audio
10.7.2/.3 Nvidia HDMI Audio Information
If your system boots to a black screen after installing this kext:
1. Reboot with GraphicsEnabler=No
2. Install your AppleHDA.kext backup
3. See this thread (TBA)
Notes
1. HDMI audio dsdt and kext edits required, more information viewtopic.php?f=162&t=31664.
2. SPDIFOut Encoded Digital Audio (Surround Sound) requires DD/DTS source, DD/DTS player (Plex, XBMC, Boxee) and DD/DTS sound system. Audi MIDI Setup/Audio Devices/Digital Output/ always shows 2 Channel Stereo. VLC encoded digital audio requires selecting Encoded Digital Audio in the VLC/Audio/Audio Device menu.
3. IORegistryExplorer/Search: IOHDACodecDevice (either result is OK)
a. @1B,0/IOHDACodecVendorID: 0x10ec0885
b. @1B,2/IOHDACodecVendorID: 0x10ec0885
HDEF Edits:
Audio ID:885, layout-id: 375
The default 885 layout-id is for maximum onboard choices.
Code:
Device (HDEF)
{
Name (_ADR, 0x001B0000)
Method (_PRW, 0, NotSerialized)
{
Return (Package (0x02)
{
0x0D,
0x05
})
}
Method (_DSM, 4, NotSerialized)
{
Store (Package (0x04)
{
"layout-id",
Buffer (0x04)
{
0x75, 0x03, 0x00, 0x00
},
"PinConfigurations",
Buffer (Zero) {}
}, Local0)
DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
Return (Local0)
}
}
VHC885 http://www.insanelymac.com/forum/index.php?showtopic=140941
Galan-od http://www.tonymacx86.com/viewtopic.php?p=344481#p344481
Attachments
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