[mythtv-users] spdif and m3n78-em

Jens.Peder.Terjesen at devoteam.com Jens.Peder.Terjesen at devoteam.com
Mon Feb 2 16:36:46 UTC 2009




-----Allen Edwards wrote: -----
>> -----Phil Wild wrote: -----
>>
>>>Hello all,
>>>
>>>
>>>I am back once more with audio issues.
>>>
>>>
>>>I have an m3n78-em motherboard with onboard hdmi and spdif. I have
>>>had hdmi audi and video working fine for a couple of weeks now but
>>>decided to switch to the optical port for audio (as I am toying
>with
>>>using svga for video).
>>>
>>>
>>>
>>>I can not seem to get the optical spdif port to light up. aplay
>>>report it as available, it is not muted in alsamixer. I am running
>>>mythbuntu with alsa upgraded to 1.0.19
>>>
>>>
>>>Has anyone managed to get digital audio out through spdif on this
>>>board?
>>>
>>>
>>>
>>>Cheers
>>>
>>>
>>>Phil
>>>
>> No I have not been able to get the optical SPDIF on the back of
>this board
>> working. I seem to have the same situation with alsa / aplay
>reporting it as
>> available but no light.
>>
>> Late last week I experimented a bit with this and remembered I had
>a
>> combined optical / coax SPDIF bracket from an earlier motherboard
>lying
>> around. The plug an this bracket was not compatible with the new
>> motherboard, but since I had the pinout for both I was able to
>connect it
>> correctly to the internal SPDIF header. And now I have both optical
>and coax
>> SPDIF working.
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>
>>
>
>
>
>
>This is a wag, but have you looked in the bios for some switch?
>
>
>Allen

Yes there is a switch in the BIOS. When set to SPDIF there is no light or
sound from the optical output on the back  nor any sound from the onboard
SPDIF header. When setting it to HDMI there is sound from the onboard SPDIF
header.
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