After much experimentation and troubleshooting, installing Windows 7 and using its drivers to *disable* S/PDIF output as the default output brought sound back in Ubuntu (tested on both 10.10 and latest 11.04 nightly live CDs). For some reason this board seemed to come configured with S/PDIF output as default audio output.
** Changed in: alsa-driver (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/722294 Title: Very faint sound (stereo), no sound (others) with Intel i5 HD Audio - ALC892 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs