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Working ALC272 HD Audio Kext!


lkelly2006
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Hmm, my Mic is working just fine. What message do you get when you boot verbose?

 

Thanx for trying to help, I will try to recover more info later and I'll report here so let's see if I can finally get it working. SL performs super sweet on the Aspire One, pitty about the internal WIFI.

 

Cheers

 

Alex

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Thanx for trying to help, I will try to recover more info later and I'll report here so let's see if I can finally get it working. SL performs super sweet on the Aspire One, pitty about the internal WIFI.

 

Cheers

 

Alex

 

 

What's your Wifi manufacture and model? I may have a solution.

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What's your Wifi manufacture and model? I may have a solution.

 

 

Its the well known AR5007 Atheros bundled internal WIFI. I had some success making it work under 10.5 using the "kismac trick". About the audio issue, I see some lines refering to the appleHDA audio engine, but all goes so fast that I dont have the time to read, I tried to delete AppleHDA and restore it, makes no difference, MIC doesnt work, you say that deleting this is really necessary to make it work?. Is there any file that logs booting?

 

Cheers!

 

Alex

 

 

EDIT:

 

Got it working now!

 

http://www.insanelymac.com/forum/index.php...t&p=1323723

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  • 2 weeks later...
Hello All,

 

Attached is a working kext for ALC272 HD Audio. This was created by Mysticus, please enjoy!

 

AppleHDA_ALC_272.zip

 

Update: Above pkg only works on Leopard. Causes kernel panic on SL.

 

SL instructions below.

 

Hello,

 

this does't work on my system (http://wiki.osx86project.org/wiki/index.php/HCL_10.5.8/Portables#Samsung). I deleted the existing AppleHDA.kext and HDAEnabler.kext, but there are still no sound devices in system preferences. I am using iDeneb 1.6 10.5.8 with the original Vanilla Kernel 9.8.0.

 

What can I do? Dmesg says twice that audio was loadet but I don't see any sound symbol. Please help!

 

npvhash=4095

hi mem tramps at 0xffe00000

PAE enabled

64 bit mode enabled

Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386

standard timeslicing quantum is 10000 us

vm_page_bootstrap: 760386 free pages and 288190 wired pages

mig_table_max_displ = 79

Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.

Extension "com.apple.driver.AppleIntelCPUPowerManagement" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.

AppleACPICPU: ProcessorApicId=0 LocalApicId=0 Enabled

AppleACPICPU: ProcessorApicId=1 LocalApicId=1 Enabled

Loading security extension com.apple.nke.applicationfirewall

Loading security extension com.apple.security.seatbelt

calling mpo_policy_init for mb

Seatbelt MACF policy initialized

Security policy loaded: Seatbelt Policy (mb)

Loading security extension com.apple.security.TMSafetyNet

calling mpo_policy_init for TMSafetyNet

Security policy loaded: Safety net for Time Machine (TMSafetyNet)

Copyright © 1982, 1986, 1989, 1991, 1993

The Regents of the University of California. All rights reserved.

 

MAC Framework successfully initialized

using 16384 buffer headers and 4096 cluster IO buffer headers

IOAPIC: Version 0x20 Vectors 64:87

ACPI: System State [s0 S3 S4 S5] (S3)

OpenHaltRestart: 2008 \M-B\M-) COPYRIGHT PSYSTAR CORPORATION (www.psystar.com)

OpenHaltRestart: getMatchingServices failed.

Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.

HDAEnabler: Copyright © 2008 by Kabyl

HDAEnabler: 05/05/2008 Added SPAudio support:Taruga

Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.

mbinit: done

Security auditing service present

BSM auditing present

From path: "uuid",

Waiting for boot volume with UUID 199D4893-BD35-3C94-882E-822D7E47BDE1

Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>

Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style.

HDAEnabler: Copyright © 2008 by Kabyl

HDAEnabler: 05/05/2008 Added SPAudio support:Taruga

BTCoexistence feature not supported!

wl0: Broadcom BCM4328 802.11 Wireless Controller

5.10.38.24

Got boot device = IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SAT0@1F,2/AppleIntelPIIXATARoot/CHN0@0/AppleIntelICHxSATA/ATADeviceNub@0/AppleATADiskDriver/IOATABlockStorageDevice/IOBlockStorageDriver/ST9500325AS ST9500325AS/IOFDiskPartitionScheme/Untitled 4@4

BSD root: disk0s4, major 14, minor 3

Extension "com.apple.driver.iTunesPhoneDriver" has no explicit kernel dependency; using version 6.0.

Jettisoning kernel linker.

Resetting IOCatalogue.

NVID: family specific matching fails

Matching service count = 0

NVID: family specific matching fails

NVID: family specific matching fails

ApplePS2Trackpad: Synaptics TouchPad v6.3

ACPI_SMC_PlatformPlugin::start - waitForService(resourceMatching(AppleIntelCPUPowerManagement) timed out

AirPort_Brcm43xx: Ethernet address 00:24:2b:d3:84:2d

AirPort: Link Down on en0

NTFS driver 2.1 [Flags: R/O].

NTFS volume name , version 3.1.

Auth result for: 00:0f:b5:ea:1d:d4 MAC AUTH succeeded

AirPort: Link Up on en0

NTFS volume name Data, version 3.1.

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  • 6 months later...
Found a very simple solution to get ALC272 working on SL 10.6.1. VoodooHDA.kext 64bit works like a charm. Kudos to the makers.

 

Dowload attached kext. Backup your original AppleHDA.kext and then delete the one in your Extensions folder. Use Kexthelper or your own method to install VoodooHDA.kext to your /System/Library/Extensions. Repair permissions and reboot.

 

You should now have fully funtional sound and sound ports!

 

That HDA as well as any VoodooHDA produces kernel panel in my SL retail install 10.6

 

00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)

Codec: Realtek ALC272

 

I have yet to find any working kext for it.

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  • 3 months later...
  • 2 months later...
Hello! I created kext for Acer Aspire One D150 (ALC272). Full working! With autodetect :-)

http://www.mediafire.com/file/tmdjyrzymzl/...72_AAO_D150.zip

 

added: removed knock-knock in speaker, HDAEnabler inside AppleHDA.kext

 

 

Hi i just tried your kext in snow 10.6.4 on my d250 working like a beauty internal and external mic

 

no kp at all

 

many thanks :D

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