From owner-freebsd-questions@FreeBSD.ORG Tue Mar 23 17:06:02 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8D5A816A4CE for ; Tue, 23 Mar 2004 17:06:02 -0800 (PST) Received: from archangel.daleco.biz (unknown [69.27.131.0]) by mx1.FreeBSD.org (Postfix) with ESMTP id E684443D2D for ; Tue, 23 Mar 2004 17:06:00 -0800 (PST) (envelope-from kadmin@archangel.daleco.biz) Received: from localhost (localhost [127.0.0.1])i2O123LH019903; Tue, 23 Mar 2004 19:02:03 -0600 (CST) (envelope-from kadmin@archangel.daleco.biz) Received: from archangel.daleco.biz ([127.0.0.1]) by localhost (archangel.daleco.biz [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 19799-02; Tue, 23 Mar 2004 19:02:01 -0600 (CST) Received: from archangel.daleco.biz (localhost [127.0.0.1]) i2O11wU3019895; Tue, 23 Mar 2004 19:01:59 -0600 (CST) (envelope-from kadmin@archangel.daleco.biz) Received: (from root@localhost) by archangel.daleco.biz (8.12.10/8.12.9/Submit) id i2O11vDH019894; Tue, 23 Mar 2004 19:01:57 -0600 (CST) (envelope-from kadmin) Date: Tue, 23 Mar 2004 19:01:57 -0600 From: KevinKinsey@archangel.daleco.biz, DaleCo@archangel.daleco.biz, "S. P." To: Chris Pressey Message-ID: <20040324010157.GA19770@archangel.daleco.biz> References: <405FCE37.5060104@users.sourceforge.net> <038c01c4109d$858a4dc0$1a01a8c0@blackstar.net> <20040323164411.GE12464@nkinkade.bmp.ub> <20040323164909.74ef6a4b.cpressey@catseye.mine.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040323164909.74ef6a4b.cpressey@catseye.mine.nu> User-Agent: Mutt/1.4.2.1i X-Virus-Scanned: by amavisd-new at archangel.daleco.biz cc: Nathan Kinkade cc: freebsd-questions@freebsd.org cc: stevei@black-star.net Subject: Re: disconnecting keyboard: big trouble !?! X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Mar 2004 01:06:02 -0000 On Tue, Mar 23, 2004 at 04:49:09PM -0800, Chris Pressey wrote: > On Tue, 23 Mar 2004 10:44:11 -0600 > Nathan Kinkade wrote: > > > Can anyone on the list point me to a manufacturers site or > > documentation that unequivocally states in clear terms the real > > dangers of hotplugging a PS/2 device? > > How about http://www.heurtley.com/richard/maintenance.html ? > > It's basic electronics - plugging or unplugging anything from a powered > device has a greater-than-zero chance of frying it. The difference > between "hot-pluggable" USB and "risky" PS/2 can be summed up like so: > > -Chris Nice research, Chris, thanks for that...here's an embedded reference at a hardware site.... http://www.majikmarcer.com/html/tutorials/entsys.htm FWIW, and hopefully not just a "me too", but merely anecdotal evidence: I've blown an AT mobo (old keyboard, what was that ... DIN 5-pin?) this way. Very disappointing. However, I may search the junk closet and pull it to check for fusible links thanks to your post.... ;-) Kevin Kinsey DaleCo, S.P.