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Date:      Wed, 30 Sep 1998 18:55:18 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Warner Losh <imp@village.org>
Cc:        mobile@FreeBSD.ORG
Subject:   Re: Generating an NMI 
Message-ID:  <199810010155.SAA05006@dingo.cdrom.com>
In-Reply-To: Your message of "Sat, 26 Sep 1998 22:44:17 MDT." <199809270444.WAA17904@harmony.village.org> 

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> 
> I have a driver that I'm working on that likes to lock my laptop
> solid.  Is there a trick to generating an NMI on a machine that just
> has a PCMCIA bus?  I know on the ISA bus you can ground IOCHK (or
> something spelled similarlly that I always have to look up) and you'll
> get an NMI.

Pull the machine apart, locate the NMI trace by following it off the 
CPU, and install a switch in an appropriate place.  You *may* find a 
conveninent pad there already.

> I looked in my PCMCIA system architeture book from mind share, but
> didn't see anything.
> 
> My power switch, btw, isn't an option because I don't get the apm
> events when things get into this state.  Nor do I get keyboard
> interrupts.

Do you get SMI events (BIOS hotkeys, etc.)?


-- 
\\  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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