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Date:      Wed, 1 Sep 1999 09:45:38 -0400 (EDT)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        Mike Smith <mike@smith.net.au>
Cc:        Warner Losh <imp@village.org>, nate@mt.sri.com (Nate Williams), Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>, mmuir@es.co.nz, freebsd-current@FreeBSD.ORG
Subject:   Re: followup to apm problems. 
Message-ID:  <199909011345.JAA05781@khavrinen.lcs.mit.edu>
In-Reply-To: <199908312216.PAA00882@dingo.cdrom.com>
References:  <199908312120.PAA13660@harmony.village.org> <199908312216.PAA00882@dingo.cdrom.com>

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<<On Tue, 31 Aug 1999 15:16:48 -0700, Mike Smith <mike@smith.net.au> said:

> Actually, that's almost entirely system-dependant.  The BIOS may well 
> poll the keyboard controller/USB controller, for example.

And designs based on the Intel PIIX4 will generate SMI# interrupts for
whichever activities are programmed in the BIOS, completely bypassing
the traditional interrupt mechanism.

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick


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