> About UPS' etc, we have a little cute Power Technologies UPS, that has a
> (supposedly) RS232 port. (Pulling voltage on the wierdest pins) but we
> wrote a little NetBSD daemon that listens on a serial port for the
> power-down signal, starts a shutdown. (and stops it if power is back) etc
> etc.
> 
> Lemme know if this sounds like what you are after, it's only a 30 minute job
> but works well.

I would be interested in something like this, along with what your 
pin-outs are.  We are using APC here, may be different, may be the
same, but still saves me the time of even starting one if yours
could just be modified to work.