1.\" $OpenBSD: intro.4,v 1.50 2007/10/09 15:01:40 jmc Exp $ 2.\" 3.\" Copyright (c) 2001 Peter Valchev. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" 27.Dd $Mdocdate: October 9 2007 $ 28.Dt INTRO 4 macppc 29.Os 30.Sh NAME 31.Nm intro 32.Nd introduction to special files and hardware support 33.Sh DESCRIPTION 34The manual pages in section 4 describe the special files, 35related driver functions, and networking support 36available in the system. 37In this part of the manual, the 38.Sx SYNOPSIS 39section of 40each configurable device gives a sample specification 41for use in constructing a system description for the 42.Xr config 8 43program. 44The 45.Sx DIAGNOSTICS 46section lists messages which may appear on the console 47and/or in the system error log 48.Pa /var/log/messages 49due to errors in device operation; 50see 51.Xr syslogd 8 52for more information. 53.Pp 54This section contains both devices 55which may be configured into the system 56and network related information. 57The networking support is introduced in 58.Xr netintro 4 . 59.Sh DEVICE SUPPORT 60This section describes the hardware supported on the MacPPC 61platform. 62Software support for these devices comes in two forms. 63A hardware device may be supported with a character or block 64.Em device driver , 65or it may be used within the networking subsystem and have a 66.Em network interface driver . 67Block and character devices are accessed through files in the file 68system of a special type; see 69.Xr mknod 8 . 70Network interfaces are indirectly accessed through the interprocess 71communication facilities provided by the system; see 72.Xr socket 2 . 73.Pp 74A hardware device is identified to the system at configuration time 75and the appropriate device or network interface driver is then compiled 76into the system. 77When the resultant system is booted, the autoconfiguration facilities 78in the system probe for the device and, if found, enable the software 79support for it. 80If a device does not respond at autoconfiguration 81time it is not accessible at any time afterwards. 82To enable a device which did not autoconfigure, 83the system will have to be rebooted. 84.Pp 85The configuration system is described in 86.Xr autoconf 4 . 87.Sh LIST OF DEVICES 88A complete list of available devices is contained within the pages 89describing the system buses and controllers. 90For example, a PCI device would be listed in the 91.Xr pci 4 92man page. 93The following buses and controllers list these devices: 94.Pp 95.Bl -tag -width "cardbus(4)XX" -offset 3n -compact 96.It Xr adb 4 97introduction to Apple Desktop Bus support 98.It Xr cardbus 4 99introduction to CardBus support 100.It Xr iic 4 101Inter IC (I2C) bus 102.It Xr macobio 4 103introduction to Apple PowerPC onboard I/O bus support 104.It Xr onewire 4 1051-Wire bus 106.It Xr pci 4 107introduction to PCI bus support 108.It Xr pcmcia 4 109introduction to PCMCIA (PC Card) support 110.It Xr usb 4 111introduction to Universal Serial Bus support 112.El 113.Sh SEE ALSO 114.Xr autoconf 4 , 115.Xr config 8 116.Sh HISTORY 117The 118MacPPC 119.Nm 120first appeared in 121.Ox 3.0 . 122