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From: Terry Lambert <tlambert@primenet.com>
Message-Id: <199709180717.AAA18398@usr06.primenet.com>
Subject: Re: INB question
To: sos@sos.freebsd.dk (Søren Schmidt)
Date: Thu, 18 Sep 1997 07:17:37 +0000 (GMT)
Cc: tlambert@primenet.com, hackers@freebsd.org
In-Reply-To: <199709180656.IAA01026@sos.freebsd.dk> from "Søren Schmidt" at Sep 18, 97 08:56:54 am
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> > If a device doesn't exist, what does inb return?  0xff, right?
> 
> Wrong, result is not known, and depends on implemetation details
> on the MB and to some extent the cards put in the bus...
> 
> > Specifically, how do I know if something lives at a given port?
> 
> By doing intelligent probes, or knowing up front what to look for..

OK, I give up: other than calling INT 0x15, AH=0xC0, how do I detect
whether a machine is MCA or not without hard coding it in my kernel
configuration file?

I need an MCA bus detect.  8-(.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.