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Old 01-18-2006, 08:03 PM   #1
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How do I enable 4.1 sound on an Intel HDA card? SOLVED

Hi everybody!

I have an Intel D945PSNLK motherboard. I am using Ubuntu 5.10 and am trying to get the sound to work. I can play 2 channel no problem but how do I enable all 4 channels (well, I only need 4)? When I run

speaker-test -Dplug:surround40 -c4

I can only hear the sound when I plug the speakers into the `line out' jack. No other jack produces sound even though the motherboard is supposed to be able to switch the mic and line-in jack to output . Playing with the mixer did not get me anywhere. Does anyone have any advice for me?

If it helps, here is the output of

aplay -L 2>&1 | egrep surround

surround40 'cards.pcm.surround40'
surround41 'cards.pcm.surround41'
surround50 'cards.pcm.surround50'
surround51 'cards.pcm.surround51'
surround71 'cards.pcm.surround71'

Please help. Thanks in advance.

PS It all works with the latest kernel and alsa.

Last edited by cookevillain; 06-05-2007 at 04:22 PM.


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