Date: Fri, 28 Sep 2001 18:59:16 +0200 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: =?iso-8859-1?Q?S=F8ren_Schmidt?= <sos@freebsd.dk> Cc: kc5vdj@yahoo.com, kbstew99@hotmail.com, Dan <dphoenix@bravenet.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: power supplies Message-ID: <20010928185916.A1032@freebie.xs4all.nl> In-Reply-To: <200109280638.f8S6cKI40211@freebsd.dk>; from sos@freebsd.dk on Fri, Sep 28, 2001 at 08:38:20AM %2B0200 References: <3BB40D0B.7000008@yahoo.com> <200109280638.f8S6cKI40211@freebsd.dk>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Sep 28, 2001 at 08:38:20AM +0200, Søren Schmidt wrote: > It seems Jim Bryant wrote: > > Kent Stewart wrote: > > > > > There are problems with PSes when you use NICs with wake up > > > capability. The NIC may exceed the capability of one of your low > > > amperage voltages. > > > > How much current can wake-on-LAN take? I wouldn't think it would be enough to overload a power supply unless it overloaded the -12V > > line which is usually only rated in the mils. What is the average 12V rating? 5-8 amps? and even more for 5V? I forget what the > > average -5V line is rated. > > The problem is the +5 standby supply. In a modern ATX evironment lots > of stuff pull power on that rail when the machine is switched off, > and most ATX supplies only can delive .5-.7 amps here which can easily > be overwhelmed. > > BTW you all know that you ATX machine use about 25W even when switched > off right ? This gets into real money if you have a handfull of machines, > and you get absolutly nothing for it :) 25W? 4 or 5 according to my measurements. -- | / o / /_ _ email: wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, The Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010928185916.A1032>