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Date:      Mon, 7 Oct 2013 14:06:07 +0200
From:      Peter Boosten <peter@boosten.org>
To:        Frank Leonhardt <frank2@fjl.co.uk>
Cc:        "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Re: How do I ring a bell?
Message-ID:  <A174A047-CAC3-4872-91FE-BC8D1D8D9337@boosten.org>
In-Reply-To: <52529CFF.9030105@fjl.co.uk>
References:  <52529CFF.9030105@fjl.co.uk>

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On 7 okt. 2013, at 13:37, Frank Leonhardt <frank2@fjl.co.uk> wrote:

> In the good'ol days I could make UNIX ring a bell (literally) by =
sending \a to the console TTY (an ASR33 in my case). Now there's an =
electronic synthesised ting or beep from an terminal emulator IF it's =
got a sound card and so on, and an IBM-PC had a beep routine in the =
BIOS.
>=20
> Is there any way to make a noise through the built in "bell" speaker =
found on an IBM PC compatible server box? Writing 007 to the BIOS cout =
routine might do it, but I've realised I haven't got a clue how to do =
that.
>=20
> I could easily knock up a bit of hardware to go on a serial port (or =
similar) that could be triggered to make a noise, but these things have =
already got the hardware built in and I'm looking to use what I've =
already got.
>=20
> Thanks, Frank.
>=20
> P.S. "cdcontrol -f /dev/mycdrom eject" is the best I've come up with =
so far for getting attention.
>=20
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to =
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echo "CTRL-V CTRL-G" should do the trick=20

--=20
Peter Boosten
http://www.boosten.org





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