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Date:      Tue, 19 Jan 1999 00:57:03 -0800
From:      Mike Smith <mike@smith.net.au>
To:        Warner Losh <imp@village.org>
Cc:        Mike Smith <mike@smith.net.au>, hackers@FreeBSD.ORG
Subject:   Re: My BIOS wants to know "Do you have a PNP OS?" 
Message-ID:  <199901190857.AAA02686@dingo.cdrom.com>
In-Reply-To: Your message of "Tue, 19 Jan 1999 00:32:08 MST." <199901190732.AAA55482@harmony.village.org> 

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> In message <199901190354.TAA01143@dingo.cdrom.com> Mike Smith writes:
> : More significantly, when set to "yes", ISA PnP cards will not be 
> : automatically configured.  This is bad.
> 
> Unless they are supported as plug and play cards by FreeBSD, no?  

No.  You need "pnp os enable" in userconfig to have the FreeBSD PnP 
code assign resources for the card, and that's extremely bad because it 
doesn't have any real knowledge of what resources are available.

> In
> which case it is good, since many plug and pray cards don't have good
> "default" configurations.

Acutally, since the BIOS is respnsible for making resource assignments 
for the cards, and since the BIOS is the only thing that has any real 
idea as to where it's safe to assign a card, letting the BIOS do the 
work is almost always best (modulo BIOS bugs).

-- 
\\  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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