From owner-freebsd-hackers Thu Feb 1 16:26:46 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id QAA14492 for hackers-outgoing; Thu, 1 Feb 1996 16:26:46 -0800 (PST) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id QAA14479 for ; Thu, 1 Feb 1996 16:26:41 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id LAA25333; Fri, 2 Feb 1996 11:07:23 +1030 From: Michael Smith Message-Id: <199602020037.LAA25333@genesis.atrad.adelaide.edu.au> Subject: Re: Watchdog timers (was: Re: Multi-Port Async Cards) To: nate@sri.MT.net (Nate Williams) Date: Fri, 2 Feb 1996 11:07:22 +1030 (CST) Cc: terry@lambert.org, msmith@atrad.adelaide.edu.au, jgreco@brasil.moneng.mei.com, hackers@FreeBSD.org In-Reply-To: <199602012310.QAA21816@rocky.sri.MT.net> from "Nate Williams" at Feb 1, 96 04:10:49 pm MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.org Precedence: bulk Nate Williams stands accused of saying: > > I'd probably throw multiport serial and/or ethernet cards in the 6 > > PCI slots. 8-). > > I don't think such a thing exists. A PCI-slot has one and only one IRQ > associated with it, so you generally don't have multi-port PCI cards, > hence the reason for having ISA slots (+ backward's compatability). IIRC, Cyclades have PCI multiport card. Most multiport ISA cards only generate one IRQ; they just have a register on the card that indicates which source(s) are interrupting. Multiport PCI ethernet cards usually hide the devices behind another PCI bridge as I understand it. > Nate -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] "wherever you go, there you are" - Buckaroo Banzai [[