1.\" $NetBSD: light.4,v 1.1 2006/12/26 04:43:10 rumble Exp $ 2.\" 3.\" Copyright (c) 2006 Stephen M. Rumble 4.\" Copyright (c) 2003 Ilpo Ruotsalainen 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. The name of the author may not be used to endorse or promote products 16.\" derived from this software without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" 29.\" <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>> 30.\" 31.Dd December 25, 2006 32.Dt LIGHT 4 sgimips 33.Os 34.Sh NAME 35.Nm light 36.Nd SGI Light/Entry/Starter (LG1/LG2) graphics controller 37.Sh SYNOPSIS 38.Cd "light* at gio? slot ?" 39.Cd "wsdisplay* at light? console ?" 40.Sh DESCRIPTION 41The 42.Nm 43driver supports the SGI Light series of graphics controllers, also known as 44Entry or Starter graphics and designated LG1 or LG2. 45These controllers have a fixed 1024x768 resolution with 8-bit colour depth. 46Unlike most SGI offerings, both 13w3 and VGA video cables are supported. 47.Nm 48is found in Indigo and Crimson machines. 49.Sh SEE ALSO 50.Xr gio 4 , 51.Xr grtwo 4 , 52.Xr newport 4 , 53.Xr wscons 4 54.Sh HISTORY 55The 56.Nm 57driver first appeared in 58.Nx 5.0 . 59.Sh AUTHORS 60Stephen M. Rumble wrote this driver. 61.Sh BUGS 62Much is unknown about the REX chipset. 63Therefore, the driver relies on the PROM to properly initialise the graphics. 64.Pp 65This driver will not run without modification on Crimson machines. 66