.\"     $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.
.\"
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.\" 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.