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.\"     $OpenBSD: pnozz.4,v 1.2 1999/09/25 15:49:57 jason Exp $
.\"
.\" Copyright (c) 1999 Jason L. Wright (jason@thought.net)
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"      This product includes software developed by Jason L. Wright
.\" 4. The name of the author may not be used to endorse or promote products
.\"    derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
.\" DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd September 8, 1999
.Dt PNOZZ 4 sparc
.Os
.Sh NAME
.Nm pnozz
.Nd Tadpole Weitek p9100 frame buffer
.Sh SYNOPSIS
.Cd "pnozz0 at sbus0 slot ? offset ?"
.Sh DESCRIPTION
The
.Nm
is a memory based color frame buffer found on
.Tn "Tadpole SPARCbook 3GS and 3GX"
laptops.
It is based on the 
.Tn "Weitek Power 9100"
and an
.Tn "IBM RGB528"
RAMDAC.
.Pp
The
.Nm pnozz
is configured to emulate a
.Xr cgthree 4
with a resolution of 800x600 with 256 colors.
It supports the minimal ioctl's needed to run
.Xr X 1 .
.Pp
If the
.Xr tctrl 4
device is also configured, the
.Nm pnozz
will be powered down when the lid of the laptop
is closed or the screen is blanked.
.Sh SEE ALSO
.Xr bwtwo 4 ,
.Xr cgeight 4 ,
.Xr cgfour 4 ,
.Xr cgfourteen 4 ,
.Xr cgsix 4 ,
.Xr cgthree 4 ,
.Xr cgtwo 4 ,
.Xr tctrl 4 ,
.Xr tcx 4
.Sh BUGS
There is currently no way to switch back and forth from
the onboard display to the external connector.
It is not possible to change resolutions or color depth.