From owner-freebsd-questions@FreeBSD.ORG Sat Nov 29 01:28:30 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C8408306 for ; Sat, 29 Nov 2014 01:28:30 +0000 (UTC) Received: from mail-ig0-x22d.google.com (mail-ig0-x22d.google.com [IPv6:2607:f8b0:4001:c05::22d]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 88CD0E25 for ; Sat, 29 Nov 2014 01:28:30 +0000 (UTC) Received: by mail-ig0-f173.google.com with SMTP id r2so10575991igi.12 for ; Fri, 28 Nov 2014 17:28:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=yfqx93HIdkoSZ9qfeMfxO2/G0XEGYimazCD+os348/4=; b=HsddCnEgK0L+O0X8RBZgjSAmIwaV5ncJJyRterVFzXliS9xvlC+d097Iz4eR83WGZH MT1T9FNB2pWsoyQyh9U7hs3noiT/enLBV/MJEVmmQ4lUYZs96cRbaXUX8wIVTxwm1Kci WccquzmpjADCzM/rvH4GRiUk/krjjexhrlQhEeJFcNAGHPQk+RagBmoSMPaxOHaPFTds WKs8ZVsin2BtzknrtsPpoMrX3afmbjI27ZCUQXZFniy9gml0U6In8RRlY0D15NLyAWdT dsDs4HTPJJLPXmaAnkiN0BWYjotE4mla4qwQY1QdgiWlI+CALDM8mMT4Y2savNhC0n7V /Gqw== MIME-Version: 1.0 X-Received: by 10.42.179.132 with SMTP id bq4mr37079795icb.61.1417224510058; Fri, 28 Nov 2014 17:28:30 -0800 (PST) Received: by 10.64.246.130 with HTTP; Fri, 28 Nov 2014 17:28:29 -0800 (PST) In-Reply-To: <54791d3a.w/pI0kak03d+3nKC%perryh@pluto.rain.com> References: <54777AB1.9010800@bluerosetech.com> <54779629.302@bluerosetech.com> <5478BD4F.7020306@yahoo.com> <5478BEE6.30308@bluerosetech.com> <5478CC08.9090307@yahoo.com> <20141128204722.561f948e@archlinux> <5478F16A.80605@yahoo.com> <54791d3a.w/pI0kak03d+3nKC%perryh@pluto.rain.com> Date: Fri, 28 Nov 2014 17:28:29 -0800 Message-ID: Subject: Re: OT: UPS for FreeBSD From: Mike Starr To: Perry Hutchison Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: Paul Pathiakis , freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Nov 2014 01:28:31 -0000 Which explains the whole bioconversion / split battery schematic. I see. So foit! On Fri, Nov 28, 2014 at 5:11 PM, Perry Hutchison wrote: > Mike Starr wrote: > > > I haven't thought too much about this either, but how much does > > power supply have to do with which os one uses? > > If you are only using the UPS to cover for outages from momentary > up to a few seconds, not much. > > However, if you want the UPS to notify the OS when the battery > starts to get low, so that the OS can shut down cleanly, you need > for the OS to support whatever communication mechanism the UPS > provides. >