Public bug reported:
Tested and reproducible on
Ubuntu 8.10
Ubuntu 9.04 live cd
Open a terminal window, hold down any of the following keys on the motherboard
[backspace, delete, page up, page down, etc] If the motherboard has the
onboard speaker enabled in the bios, Ubuntu is pushing through the warning tone
through the motherboard speaker instead of through the audio card. You can
reproduce this behavior in other applications as well [password prompts, etc]
The quick suggestion would be to disable the onboard speaker in the
motherboard bios. Unfortunately, some motherboards do not allow this.
I haven't seen a way to disable or redirect the warning tone in Ubuntu
to the correct audio device.
Foxconn was able to reproduce this bug on Intel boards as well. I'm
trying at the moment to work with Foxconn for a bios update that
disables the onboard speaker after POST. Hopefully, this allows a
workaround for the time being on my motherboard, but it doesn't address
the issue in a default installation of Ubuntu 8.10 or 9.04
** Affects: ubuntu
Importance: Undecided
Status: New
--
Keyboard warning tone audible through onboard motherboard speaker instead of
audio card/speakers
https://bugs.launchpad.net/bugs/397215
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