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Date: Wed, 28 Jan 2004 08:32:15 -0700 (MST)
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To: andy@siliconlandmark.com
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: current@freebsd.org
Subject: Re: API to turn off the display
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In message: <20040128045816.Y1089@alpha.siliconlandmark.com>
            Andre Guibert de Bruet <andy@siliconlandmark.com> writes:
: Through functionality provided by the BIOS. A 30-second search through the
: source would have shown the answer in /usr/src/sys/i386/bios/apm.c:334
: with apm_display().

My experience is that turning the display off via apm doesn't work on
many laptops :-(.

Warner