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Date:      Tue, 31 Aug 1999 15:16:48 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Warner Losh <imp@village.org>
Cc:        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:  <199908312216.PAA00882@dingo.cdrom.com>
In-Reply-To: Your message of "Tue, 31 Aug 1999 15:20:15 MDT." <199908312120.PAA13660@harmony.village.org> 

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> In message <199908312103.PAA16222@mt.sri.com> Nate Williams writes:
> : > I think we need to set the interrupt mask to 0 in the PIC.
> : 
> : I don't think makes any difference, since the APM Bios is in charge of
> : what happens at this point, and the BIOS is below the level of the OS.
> : 
> 
> The theory is that no more interrupts would come in.  However, I think
> there is another reason that you might be right....  "Standby" needs
> to be able to wakeup on keyboard events, which needs interrupts
> enabled...

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

-- 
\\  The mind's the standard       \\  Mike Smith
\\  of the man.                   \\  msmith@freebsd.org
\\    -- Joseph Merrick           \\  msmith@cdrom.com




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