1.\" $NetBSD: intro.4,v 1.6 2003/08/24 18:12:58 wiz Exp $ 2.\" 3.\" Copyright (c) 2003 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Marcus Comstedt. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd August 24, 2003 38.Dt INTRO 4 dreamcast 39.Os 40.Sh NAME 41.Nm intro 42.Nd introduction to dreamcast special files and hardware support 43.Sh DESCRIPTION 44This section describes the special files, related driver functions, 45and networking support 46available in the system. 47In this part of the manual, the 48.Tn SYNOPSIS 49section of each configurable device gives a sample specification 50for use in constructing a system description for the 51.Xr config 8 52program. 53The 54.Tn DIAGNOSTICS 55section lists messages which may appear on the console 56and/or in the system error log 57.Pa /var/log/messages 58due to errors in device operation; 59see 60.Xr syslogd 8 61for more information. 62.Pp 63This section contains both devices which may be configured into 64the system and network related information. 65The networking support is introduced in 66.Xr netintro 4 . 67.Sh DEVICE SUPPORT 68This section describes the hardware supported on the 69.Tn Dreamcast 70platform. 71Software support for these devices come in two forms. 72A hardware device may be supported with a character or block 73.Em device driver , 74or it may be used within the networking subsystem and have a 75.Em network interface driver . 76Block and character devices are accessed through files in the file 77system of a special type; see 78.Xr mknod 8 . 79Network interfaces are indirectly accessed through the interprocess 80communication facilities provided by the system; see 81.Xr socket 2 . 82.Pp 83A hardware device is identified to the system at configuration time 84and the appropriate device or network interface driver is then 85compiled into the system. 86When the resultant system is booted, the autoconfiguration facilities 87in the system probe for the device and, if found, enable the software 88support for it. 89If a device does not respond at autoconfiguration time, it is not 90accessible at any time afterwards. 91To enable a device which did not autoconfigure, 92the system must be rebooted. 93.Pp 94The autoconfiguration system is described in 95.Xr autoconf 4 . 96A list of the supported devices is given below. 97.Sh LIST OF DEVICES 98The devices listed below are supported in this incarnation of 99the system. 100Devices are indicated by their functional interface. 101Not all supported devices are listed. 102.\" 103.Pp 104Standard builtin devices: 105.Bl -tag -width gapspci -offset indent -compact 106.It g2bus 107.Dq Tn G2 108internal I/O bus 109.It gapspci 110.Tn PCI 111bridge used in expansion port peripherals 112.It gdrom 113Builtin GD-ROM optical disc drive 114.It pvr 115Framebuffer device using the builtin NEC PVR graphics subsystem 116.It aica 117Builtin AICA sound system 118.El 119.\" 120.Pp 121Controller port peripherals are supported though the 122.Xr maple 4 123bus and associated device drivers. 124.\" 125.Pp 126Network interfaces: 127.Bl -tag -width gapspci -offset indent -compact 128.It rtk 129Ethernet driver for the HIT-0400 Broadband Adapter 130.It mbe 131Ethernet driver for the HIT-0300 LAN Adapter 132.El 133.\" 134.Sh SEE ALSO 135.Xr autoconf 4 , 136.Xr netintro 4 , 137.Xr config 8 138.Sh HISTORY 139The 140.Nm 141man page appeared in 142.Nx 2.0 . 143.\" LocalWords: NetBSD its INCIDENTAL EXEMPLARY SERVICES INTERRUPTION 144