I'm running Mythbuntu 8.10 and this motherboard is performing wonderfully. I'm using the onboard VGA hooked up to an LCD HDTV and it's pushing 1080p content (1920x1080 @ 60Hz) with no problems what so ever.
Streaming a 1080p video file over samba/nfs at 15MB/sec and playing with MythFrontend works flawlessly.
It took me a minute to get the onboard sound to work, which is why I initially gave this board a 4/5. Now that I've gotten the sound to work, I'm changing my score to a 5/5. Ubuntu 8.10 correctly uses snd_hda_intel module for the card - HOWEVER, it needs to be rmmod'd and then modprobed again after startup (but before login) for it to work. No idea why, but it's not a big deal to add to rc.local. See this forum post for the solution
Solution is to run the following in a terminal:
sudo rmmod snd_hda_intel
sudo modprobe snd_hda_intel
After that, you will have sound but no volume control - logoff and then back on to solve that. As a permanent solution, write a script (or add to rc.local) to automatically execute those commands when booting up but before the login screen.
Prior to getting the onboard sound to work, my workaround was to use PulseAudio and send the sound to my other computer (also running Ubuntu 8.10). For a quick and easy howto on installing PulseAudio, visit this link
Next step will be to get sound working over HDMI ... first I need an HDMI cable.
System details:
Asus M3N78-VM
AMD Athlon 64 X2 5050e Brisbane 2.6GHz
G.SKILL 4GB (2 x 2GB) DDR2 800
Rosewill R379-SM MicroATX Slim Case 300W PSU
And an old IDE 10GB Hard Drive I had laying around
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Ben Arwin
www.ecosnap.com