A silent UPS - (A little OT, I know...)

[Da Rock]

On Wed, 2008-04-09 at 01:02 +0300, Manolis Kiagias wrote:
> Da Rock wrote:
> > On Tue, 2008-04-08 at 23:45 +0200, Erik Cederstrand wrote:
> >   
> >> Da Rock wrote:
> >>     
> >>> This may sound like a strange question, but is there a way to mute the
> >>> voice box of a UPS? I have a highly specialised application for one- I
> >>> need a mobile desktop pc (very cheap). I need to setup a pc for my
> >>> little girl so that she has music, video, and visualisations while she's
> >>> in her cot- which is mobile and moved from room to room. So I don't want
> >>> to shutdown the pc when in transit, and I certainly don't want any
> >>> shrieks when I unplug the power...
> >>>       
> >> Just crack open the UPS box and cut the wires to the loudspeaker :-)
> >>     
> >
> > I thought of that- but how do you do that with those little sealed
> > units? I'm looking at a small consumer unit around 500-700VA.
> >
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> >   
> I've got a couple of cheap APC models (RS500). You can turn off all 
> their alert signals using the apcupsd ( sysutils/apcupsd)  program ( 
> which is of course used for automatic shutdowns). The setting is stored 
> in UPS memory (probably flash or EEPROM) and is retained. This is good 
> actually, since one of these is pretty close to my bedroom ;)
> 

So it can be switched off with the software? That could work for me...