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<DIV><FONT face=Tahoma color=#800000 size=2>Hi!</FONT></DIV>
<DIV><FONT face=Tahoma color=#800000 size=2></FONT> </DIV>
<DIV><FONT face=Tahoma color=#800000 size=2>I've been trying to get 5.1
SPDIF working on my Asus A8N-VM CSM board with the optional SPDIF/optical
module. I'm using FC6 (2.6.18 kernel) and MythtV-0.20 (yum rpm install). I can
get only 2-channel sound through SPDIF and when I check the box marked to "allow
AC3 to SPDIF passthru" in Mythfrotnend -> Setup -> General, all I hear is
a low-frequency buzz through the front-speakers. When I uncheck that option, I
get excellent 2-channel sound via the coaxial cable to my receiver, but never
5.1. In other words, AC3 passthru is not working for me. I've confirmed that
it's not the receiver (I hooked the same input coax to a DVD player and get
proper dolby-digital 5.1)</FONT></DIV>
<DIV><FONT face=Tahoma color=#800000 size=2></FONT> </DIV>
<DIV><FONT face=Tahoma color=#800000 size=2>I've followed the steps in the Wiki:
<A
href="http://mythtv.org/wiki/index.php/Configuring_Digital_Sound">http://mythtv.org/wiki/index.php/Configuring_Digital_Sound</A> but
have not had success yet. I've tried with and without the .asoundrc posted on
that Wiki. I've also Googled this motherboard quite a bit, but didn't find much
useful information.</FONT></DIV>
<DIV><FONT face=Tahoma color=#800000 size=2></FONT> </DIV>
<DIV><FONT face=Tahoma color=#800000 size=2>I know based on this thread: <A
href="http://www.gossamer-threads.com/lists/mythtv/users/228931">http://www.gossamer-threads.com/lists/mythtv/users/228931</A> that
it is possible to get AC3 passthru to work using this board but can't seem to be
able to get in touch with the OP. Has anyone else had luck with this board and
ALSA SPDIF with AC3 passthru?</FONT></DIV>
<DIV><FONT face=Tahoma color=#800000 size=2></FONT> </DIV>
<DIV><FONT face=Tahoma color=#800000 size=2>Another anomaly I've seen that I
probably should mention. I download alsa-kmdl and alsa-driver(1.0.13) but
on a reboot the udev message read "Disabling IRQ 217" and I couldn't get any
sound. I uninstalled these two packages and am back to sqaure one - excellent
2-channel sound but AC3 passthru is a no-go.</FONT></DIV>
<DIV><FONT face=Tahoma color=#800000 size=2></FONT> </DIV>
<DIV><FONT face=Tahoma color=#800000 size=2>Other than the 5.1ch sound issue,
this board with the integrated Ge-Force 6150 is awesome for
HD-playback.</FONT></DIV>
<DIV><FONT face=Tahoma color=#800000 size=2></FONT> </DIV>
<DIV><FONT face=Tahoma color=#800000 size=2>Thanks for any help or suggestions
in advance,</FONT></DIV>
<DIV><FONT face=Tahoma color=#800000 size=2>Venkat</FONT></DIV>
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