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Date:      Thu, 7 Sep 1995 13:28:42 -0700 (PDT)
From:      "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com>
To:        pete@puffin.pelican.com (Pete Carah)
Cc:        current@freebsd.org
Subject:   Re: Getting around conflicts for a driver w/out base address
Message-ID:  <199509072028.NAA00639@gndrsh.aac.dev.com>
In-Reply-To: <m0sqkfu-0000ReC@puffin.pelican.com> from "Pete Carah" at Sep 7, 95 10:23:00 am

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> 
> In article <199509040622.QAA10078@godzilla.zeta.org.au> you write:
> ...
> >id_alive is the driver-alive flag corrupted to hold the i/o size.  It isn't
> >possible to set it at config time.  Actually, we need a list of i/o port
> >ranges because some drivers use scattered ports.
> 
> Like the S3 chips that step on COM4?  Talk about gratuitous conflicts...

Though I agree that this is a rather nasty situation, the problem is
not due to S3, it is casued by IBM's VGA register specifaction :-(.

No one but no one ever uses those darn registers and I wish S3 would
drop them, but that would voliate the  compliance of the board to
an official IBM spec :-(.

-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation Company                 Reliable computers for FreeBSD



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