1.\" $OpenBSD: intro.4,v 1.35 2013/06/29 16:57:33 jmc Exp $ 2.\" 3.\" Copyright (c) 1994 Christopher G. Demetriou 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.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by Christopher G. Demetriou. 17.\" 3. The name of the author may not be used to endorse or promote products 18.\" derived from this software without specific prior written permission 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30.\" 31.Dd $Mdocdate: June 29 2013 $ 32.Dt INTRO 4 amd64 33.Os 34.Sh NAME 35.Nm intro 36.Nd introduction to special files and hardware support 37.Sh DESCRIPTION 38The manual pages in section 4 describe the special files, 39related driver functions, and networking support 40available in the system. 41In this part of the manual, the SYNOPSIS section of 42each configurable device gives a sample specification 43for use in constructing a system description for the 44.Xr config 8 45program. 46The DIAGNOSTICS section 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 amd64 platform. 61Software support for these devices comes in two forms. 62A hardware device may be supported with a character or block 63.Em device driver , 64or it may be used within the networking subsystem and have a 65.Em network interface driver . 66Block and character devices are accessed through files in the file 67system of a special type; see 68.Xr mknod 8 . 69Network interfaces are indirectly accessed through the interprocess 70communication facilities provided by the system; see 71.Xr socket 2 . 72.Pp 73A hardware device is identified to the system at configuration time 74and the appropriate device or network interface driver is then compiled 75into the system. 76When the resultant system is booted, the autoconfiguration facilities 77in the system probe for the device and, if found, enable the software 78support for it. 79If a device does not respond at autoconfiguration 80time it is not accessible at any time afterwards. 81To enable a device which did not autoconfigure, 82the system will have to be rebooted. 83.Pp 84The autoconfiguration system is described in 85.Xr autoconf 4 . 86.Sh LIST OF DEVICES 87A complete list of available devices is contained within the pages 88describing the system buses and controllers. 89For example, a PCI device would be listed in the 90.Xr pci 4 91man page. 92The following buses and controllers list these devices: 93.Pp 94.Bl -tag -width "cardbus(4)XX" -offset 3n -compact 95.It Xr cardbus 4 96introduction to CardBus support 97.It Xr eisa 4 98introduction to EISA bus support 99.It Xr iic 4 100Inter IC (I2C) bus 101.It Xr isa 4 102introduction to ISA bus support 103.It Xr isapnp 4 104introduction to ISA Plug-and-Play support 105.It Xr onewire 4 1061-Wire bus 107.It Xr pci 4 108introduction to PCI bus support 109.It Xr pcmcia 4 110introduction to PCMCIA (PC Card) support 111.It Xr usb 4 112introduction to Universal Serial Bus support 113.El 114.Sh SEE ALSO 115.Xr autoconf 4 , 116.Xr cpu 4 , 117.Xr config 8 118.Sh HISTORY 119The 120amd64 121.Nm intro 122first appeared in 123.Ox 3.5 . 124