69 lines
2.3 KiB
Groff
69 lines
2.3 KiB
Groff
.\" $NetBSD: pnozz.4,v 1.2 2004/03/31 21:59:34 wiz Exp $
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.\"
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.\" Copyright (c) 1999 Jason L. Wright (jason@thought.net)
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" from: OpenBSD: pnozz.4,v 1.20 2004/02/29 21:44:07 miod Exp
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.\"
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.Dd March 31, 2004
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.Dt PNOZZ 4 sparc
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.Os
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.Sh NAME
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.Nm pnozz
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.Nd Weitek Power9100 accelerated frame buffer
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.Sh SYNOPSIS
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.Cd "pnozz0 at sbus? slot ? offset ?"
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.Sh DESCRIPTION
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The
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.Nm
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is a color frame buffer with graphics acceleration, embedded in the
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.Tn Tadpole SPARCbook
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3GS, 3GX, 3TX, and 3XP
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laptops.
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It is based on the
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.Tn Weitek Power9100
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video processor and an
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.Tn IBM RGB525
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RAMDAC.
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.Pp
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If the
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.Xr tctrl 4
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device is also configured, the
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.Nm
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will be powered down when the lid of the laptop
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is closed or the screen is blanked.
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.Sh SEE ALSO
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.Xr intro 4 ,
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.Xr sbus 4 ,
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.Xr tctrl 4
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.Sh HISTORY
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Support for the
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.Nm
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first appeared in
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.Nx 1.6 .
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.Sh BUGS
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There is currently no way to switch back and forth from
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the onboard display to the external connector.
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It is not possible to change resolutions or color depth.
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