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Date:      Wed, 06 May 1998 00:06:58 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Luigi Rizzo <luigi@labinfo.iet.unipi.it>
Cc:        archie@whistle.com (Archie Cobbs), stefan@promo.de, freebsd-hackers@FreeBSD.ORG
Subject:   Re: ISA-PnP w\o BIOS support? 
Message-ID:  <199805060706.AAA01715@antipodes.cdrom.com>
In-Reply-To: Your message of "Wed, 06 May 1998 07:41:46 %2B0200." <199805060541.HAA09666@labinfo.iet.unipi.it> 

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> no. what is available and what is not depends on the hardware.
> as someone else (Mike ?) mentioned, if you put your own non-pnp card in
> a pc and the bios/os/whatever doesn't know how to use it, the card will
> be undetected until a conflict occurs. The PnP spec have a way to detect
> conflicts but i am not sure it can really work because it depends on
> how the non-pnp card uses resources (e.g. it could be listening for
> some data before enabling its outputs; since the conflict detection can
> only work if the unknown card drives the output lines, in this case the
> detection will fail).

I can't actually imagine a card that would behave in this fashion. More 
specifically, if it works for Microsoft & friends, we can assume that 
it's going to work in at least most cases.  It may not be perfect, but 
it's better.


-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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