.\"     $OpenBSD: pnozz.4,v 1.4 2001/06/23 07:04:20 pjanzen Exp $
.\"
.\" Copyright (c) 1999 Jason L. Wright (jason@thought.net)
.\" All rights reserved.
.\"
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.\"      This product includes software developed by Jason L. Wright
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.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
.Xr ioctl 2 Ns 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.