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+.\" $NetBSD: pnozz.4,v 1.4 2017/02/18 22:39:01 wiz 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.
+.\"
+.\" 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.
+.\"
+.\" from: OpenBSD: pnozz.4,v 1.20 2004/02/29 21:44:07 miod Exp
+.\"
+.Dd February 17, 2017
+.Dt PNOZZ 4 sparc
+.Os
+.Sh NAME
+.Nm pnozz
+.Nd Weitek Power9100 accelerated frame buffer
+.Sh SYNOPSIS
+.Cd "pnozz0 at sbus? slot ? offset ?"
+.Sh DESCRIPTION
+The
+.Nm
+is a color frame buffer with graphics acceleration, embedded in the
+.Tn Tadpole SPARCbook
+3GS, 3GX, 3TX, and 3XP
+laptops.
+It is based on the
+.Tn Weitek Power9100
+video processor and an
+.Tn IBM RGB525
+RAMDAC.
+.Pp
+If the
+.Xr sparc/tctrl 4
+device is also configured, the
+.Nm
+will be powered down when the lid of the laptop
+is closed or the screen is blanked.
+.Sh SEE ALSO
+.Xr sbus 4 ,
+.Xr sparc/intro 4 ,
+.Xr sparc/tctrl 4
+.Sh HISTORY
+Support for the
+.Nm
+first appeared in
+.Nx 1.6 .
+.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.