1.\" $NetBSD: gbox.4,v 1.8 2017/02/17 22:24:46 christos Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Systems Programming Group of the University of Utah Computer 8.\" Science Department. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" from: @(#)gb.4 8.1 (Berkeley) 6/9/93 35.\" 36.Dd February 17, 2017 37.Dt GB 4 hp300 38.Os 39.Sh NAME 40.Nm gb 41.Nd 42.Tn HP98700 43.Dq Gatorbox 44graphics device interface 45.Sh SYNOPSIS 46.Cd "gbox* at intio?" 47.Cd "gbox* at dio? scode ?" 48.Cd "wsdisplay* at gbox?" 49.Sh DESCRIPTION 50This driver is for the 51.Tn HP98700 52and 98710 graphics devices, also known as 53the Gatorbox. 54The term 55.Dq Gator 56will often be used, and it is not to be confused with 57.Dq Gator 58used in reference to an 59.Tn HP 609837 or 200/237 machine. 61Also, the term Gatorbox is used for the 98700 alone, with the 98701 frame 62buffer memory or with the 98710 accelerator installed. 63This driver merely 64checks for the existence of the device and does minimal setup, as it is 65expected the applications will initialize the device to their requirements. 66.Pp 67The 98700 can be used as the only graphics device on a system, in which case 68it will be used as the system console. 69It can also be installed as a secondary display device. 70For the first case, the 71.Tn HP 72.Tn 98287A M.A.D. 73interface card 74should be set to internal control space. 75This will put the frame buffer at 76the DIO address 0x200000 and the control registers at 0x560000. 77At this address it will be the 78.Dq preferred 79console device (see 80.Xr hp300/cons 4 ) . 81For use as a secondary device, 82the 98287A should be set to frame buffer address 0x300000, 83and to an external select code. 84.Pp 85It should be noted that this configuration will conflict with the 98547 86display card which has a 2 megabyte frame buffer starting at address 0x200000. 87The 98700 should only be installed as a secondary device in a machine with a 881 bit 98544 display card or 4 bit 98545 card. 89The 90.%T 98700H Installation Guide 91contains further configuration information. 92.Sh SEE ALSO 93.Xr wscons 4 , 94.Xr wsdisplay 4 95