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Old 08-11-10, 12:15 PM   #18
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Join Date: Aug 2010
Posts: 4
Default Re: No audio from HDMI (MCP89 / Geforce 320M): Reason: no connected devices detected

Stephen and lintweaker,

Thanks a lot for your replies!

I'm sorry for not posting sooner, but I finally have sound on my system

What I had to do was:

1. Enable bypass-mode on my Harman Kardon receiver's HDMI input, so the Mac Mini / GT 230 get's it's EDID info from my Lumagen Radiance XD audio/video processor instead.

2. Edit "/etc/modprobe.d/alsa-base.conf" to include this line: enable_msi=0 probe_mask=0xffff,0xfff2 (see info here:,_or_GT240)

3. Use asound.conf, HDA-intel.conf (and general guidelines) from this post:

4. Unmute everything in alsamixer and use hw device 0.8 (as lintweaker correctly posted above) in Mplayer and XBMC (in XBMC it's "plughw:0,8" as custom "passthrough device")

I'm really happy it's working - and I hope I can replicate the above, if / when I have to do a Ubuntu re-install.

Thanks again for helping me out guys

Ayla is offline   Reply With Quote