From owner-freebsd-current  Wed Sep  1  6:48:16 1999
Delivered-To: freebsd-current@freebsd.org
Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193])
	by hub.freebsd.org (Postfix) with ESMTP id EFFD814C4A
	for <freebsd-current@FreeBSD.ORG>; Wed,  1 Sep 1999 06:48:13 -0700 (PDT)
	(envelope-from wollman@khavrinen.lcs.mit.edu)
Received: (from wollman@localhost)
	by khavrinen.lcs.mit.edu (8.9.1/8.9.1) id JAA05781;
	Wed, 1 Sep 1999 09:45:38 -0400 (EDT)
	(envelope-from wollman)
Date: Wed, 1 Sep 1999 09:45:38 -0400 (EDT)
From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Message-Id: <199909011345.JAA05781@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. 
In-Reply-To: <199908312216.PAA00882@dingo.cdrom.com>
References: <199908312120.PAA13660@harmony.village.org>
	<199908312216.PAA00882@dingo.cdrom.com>
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

<<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


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message