The ALC CODEC provides three pairs of stereo outputs with 5-bit volume The ALC CODEC supports host/soft audio from Intel ICHx chipsets as well as audio controller-based VIA/SIS/ALI/AMD/nVIDIA/ATI chipsets. Datasheets. ALC from Realtek Semiconductor Corp.. Find the PDF Datasheet, Specifications and Distributor Information. Realtek ALC datasheet, cross reference, circuit and application notes in pdf format.

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Sign up for a new account in our community. In fact what i don’t find in this forum is the combination ich6-m and alc codec that I have.


System profiler show nothing in audio built in section but i have sound in system preferences. To check what happens during the boot process, check the log.

But my sound still muted and greyout-canot be unmuted and still no output sound device in System Preferences. Thank you very much again. One way to do it: I read in wiki HCL-Portables that some of guys managed al6c55 install dataxheet problems and they have sound and usb on similar or identic configurations chipsets, controllers,processors with mine. I am at work now but first thing when i go home i will check system.


After that my sound dissapear and in system prefererences show “no output devices found” and output volume is mute and is greyout and canot be unmuted. About sound -I was browsing on Ubuntu forum yes I have no sound in Ubuntu linux and no option to native resolution but usb works and i found an interresting clue that M from ICH6-M is from modem wich is included in audio ratasheet.

Any hint will be high appreciated. There goes all the info of the kernel during the boot process. Sign in Already have an account?

I bought a I am using a Shuttle Box and have the same thing. I saw a lot of people who reports a “no problem” usb setup with your computer chipset, have you tried to connect something to see if it works?

Posted April 7, I am using uphuck I have the same audio chip in my PC and daasheet sound works only on the left channel, it seems to be a problem with the AppleAC97Audio.

Or sign in with one of these services. Problem is that if i want to boot native i must change iousbfamily. Aoc655 In Sign Up. Thank you jcordero for your reply.


Maybe its just a warning message. Open the program, click on the Logs icon inside the app, and choose the system. Hardware Components and Drivers. I managed so far to load AC97Audio. So what kexts i need to modify? Anyone know how can i have at least sound back?

I was on the way to think that this is a zombie forum. You need to be a member in order to datashet a comment. Posted May 19, No audio, everything greyed out.

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Posted June 10, Boot in vmware OK with sound and usb but boot native not working. Sign in with Twitter. Datasheett March 19, Posted March 27, Register a new account. As i mentioned in the subtitle of this post ” there is a will Posted March 21,