From owner-freebsd-questions@FreeBSD.ORG Tue Apr 8 22:02:42 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BF9491065674 for ; Tue, 8 Apr 2008 22:02:42 +0000 (UTC) (envelope-from sonicy@otenet.gr) Received: from rosebud.otenet.gr (rosebud.otenet.gr [195.170.0.94]) by mx1.freebsd.org (Postfix) with ESMTP id 2FF128FC2D for ; Tue, 8 Apr 2008 22:02:41 +0000 (UTC) (envelope-from sonicy@otenet.gr) Received: from [192.168.0.1] (athedsl-279104.home.otenet.gr [85.73.137.222]) by rosebud.otenet.gr (8.13.8/8.13.8/Debian-3) with ESMTP id m38M2RjI004362; Wed, 9 Apr 2008 01:02:27 +0300 Message-ID: <47FBEB8B.4020802@otenet.gr> Date: Wed, 09 Apr 2008 01:02:51 +0300 From: Manolis Kiagias User-Agent: Thunderbird 2.0.0.12 (X11/20080227) MIME-Version: 1.0 To: Da Rock References: <1207688776.16346.122.camel@laptop2.herveybayaustralia.com.au> <47FBE78D.2030503@cederstrand.dk> <1207691502.16346.133.camel@laptop2.herveybayaustralia.com.au> In-Reply-To: <1207691502.16346.133.camel@laptop2.herveybayaustralia.com.au> Content-Type: text/plain; charset=ISO-8859-7; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: A silent UPS - (A little OT, I know...) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Apr 2008 22:02:42 -0000 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. > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > > 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 ;)