has anyone written a patch that does this yet, as that would be
really helpful.

Takahiro Kambe writes:
 > In message <20021020183004.GA1541@antioche.eu.org>
 > 	on Sun, 20 Oct 2002 20:30:05 +0200,
 > 	Manuel Bouyer <bouyer@antioche.eu.org> wrote:
 > > > If you want to beep on halt, do it from a shutdown script in userland.
 > > 
 > > The point is to make it been once the system is halted, not when it's
 > > going to be halted.
 > To give an actual example:
 > 
 > o i386 PC
 > 	- with AT power supply
 > 	- without display
 > 
 > Since AT power supply has mechanical power switch, user must switch
 > off power by hand finally.  In this case, beep in a shutdown script
 > dose not help at all and kernel must notify user when it's OK to
 > switch off.
 > 
 > Cheers.
 > 
 > 
 > -- 
 > Takahiro Kambe <taca@back-street.net>
 > 

-- 
"Anyone who considers arithmetical methods of producing random digits is, 
 of course, in a state of sin."