.\"	$NetBSD: light.4,v 1.2 2017/02/17 22:24:47 christos Exp $
.\"
.\" Copyright (c) 2006 Stephen M. Rumble
.\" Copyright (c) 2003 Ilpo Ruotsalainen
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
.\"
.Dd February 17, 2017
.Dt LIGHT 4 sgimips
.Os
.Sh NAME
.Nm light
.Nd SGI Light/Entry/Starter (LG1/LG2) graphics controller
.Sh SYNOPSIS
.Cd "light* at gio? slot ?"
.Cd "wsdisplay* at light? console ?"
.Sh DESCRIPTION
The
.Nm
driver supports the SGI Light series of graphics controllers, also known as
Entry or Starter graphics and designated LG1 or LG2.
These controllers have a fixed 1024x768 resolution with 8-bit colour depth.
Unlike most SGI offerings, both 13w3 and VGA video cables are supported.
.Nm
is found in Indigo and Crimson machines.
.Sh SEE ALSO
.Xr sgimips/gio 4 ,
.Xr sgimips/grtwo 4 ,
.Xr sgimips/newport 4 ,
.Xr wscons 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 5.0 .
.Sh AUTHORS
Stephen M. Rumble wrote this driver.
.Sh BUGS
Much is unknown about the REX chipset.
Therefore, the driver relies on the PROM to properly initialise the graphics.
.Pp
This driver will not run without modification on Crimson machines.