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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 04-03-2005, 11:23 AM   #1
easyE
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Sound Driver


I am new to Linux but I am loving it so far. I just installed RedHat 9 and now my speakers work, but my audio-out does not so I can't use headphones. I have the SIGMATEL STAC 9750 AC97 souncard. Does anyone have a solution? Thanks.
 
Old 04-04-2005, 12:52 AM   #2
Caeda
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Install a distro that isnt 3+ years old and discontinued?
 
Old 04-04-2005, 02:02 AM   #3
Thorium
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Have you played with a mixer yet? If you are using kde, does it have kmix? Assuming its using alsa, you could open up a terminal and run alsaconf and try and find the audio out and unmute it or play with some of them if they aren't labeled right.
 
Old 04-04-2005, 06:11 PM   #4
Caeda
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I was assuming his whole problem is going to be acpi and alsa. Since redhat 9 shipped with no acpi, years after everyone else had acpi fully enabled, redhat 9 basically becomes worthless on every new computer released unless you want to start with the whole recompiling mess. In the time it takes you to find everything, recompile and get it working correctly you'd have a working distro installed.
 
Old 04-04-2005, 06:34 PM   #5
mjmwired
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Not sure how sound suppport is related to ACPI.

Quick solution: install ALSA. Unfortunately RPM's for ALSA are outdated. If the following work, good for you.
http://ftp.freshrpms.net/pub/freshrpms/redhat/9/

If not, you'll have to compile by source. Its pretty easy, do a search on linuxquestions or google or google groups on the process.

In reality, you are probably better finding something slightly newer if your machine can handle it (FC2 perhaps?). But I still use RH8 perfectly with ALSA, so old does not mean worthless.
 
Old 04-04-2005, 10:20 PM   #6
jiml8
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Not sure how sound suppport is related to ACPI.
Interrupt conflict and/or interrupts not being properly passed through ACPI to sound system (that one sent me 'round the horn with Mandrake 9.2 until I figured it out).
 
Old 04-05-2005, 09:21 PM   #7
Caeda
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"Not sure how sound suppport is related to ACPI."

Maybe because half of a new computer routes through acpi? (Advanced Configurable Power Interface) They don't usualy go about sticking 6 kinds of power controls on one motherboard...
 
Old 04-05-2005, 09:26 PM   #8
mjmwired
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Quote:
Originally posted by jiml8
Interrupt conflict and/or interrupts not being properly passed through ACPI to sound system (that one sent me 'round the horn with Mandrake 9.2 until I figured it out).
I'm curious to hear more about this. Do you mean problems with using ACPI for IRQ routing? Might you elaborate on what your problem was and how/what you figured out? Links?
 
Old 04-05-2005, 09:48 PM   #9
jiml8
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Quote:
I'm curious to hear more about this. Do you mean problems with using ACPI for IRQ routing? Might you elaborate on what your problem was and how/what you figured out? Links?
It was mandrake 9.1 a couple of years ago. After I installed it, with acpi invoked from the command line, I couldn't get sound working. Everything was right - everything.

But no sound. Late one night I was googling and following links everyplace trying to get it sorted out. I ran across a comment on a message board someplace - I do NOT remember where - that said there was a problem with acpi that was causing interrupts to sound to not be passed.

I changed the command line to remove the acpi invocation, then rebooted. Bang. Sound worked.

I just checked, and I still have acpi=off, with Mandrake 10. So I don't know if the problem has gone away.
 
  


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