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Date:      Fri, 2 Feb 1996 11:07:22 +1030 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        nate@sri.MT.net (Nate Williams)
Cc:        terry@lambert.org, msmith@atrad.adelaide.edu.au, jgreco@brasil.moneng.mei.com, hackers@FreeBSD.org
Subject:   Re: Watchdog timers (was: Re: Multi-Port Async Cards)
Message-ID:  <199602020037.LAA25333@genesis.atrad.adelaide.edu.au>
In-Reply-To: <199602012310.QAA21816@rocky.sri.MT.net> from "Nate Williams" at Feb 1, 96 04:10:49 pm

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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   [[
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