1.\" $OpenBSD: isa.4,v 1.60 2008/03/19 19:33:12 deraadt Exp $ 2.\" $NetBSD: isa.4,v 1.19 2000/03/18 16:54:37 augustss Exp $ 3.\" 4.\" Copyright (c) 2000 Theo de Raadt. All rights reserved. 5.\" Copyright (c) 1997 Jason R. Thorpe. All rights reserved. 6.\" Copyright (c) 1997 Jonathan Stone 7.\" All rights reserved. 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 acknowledgements: 19.\" This product includes software developed by Jonathan Stone 20.\" 4. The name of the author may not be used to endorse or promote products 21.\" derived from this software without specific prior written permission 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33.\" 34.Dd February 10, 2013 35.Dt ISA 4 36.Os 37.Sh NAME 38.Nm isa 39.Nd introduction to ISA bus support 40.Sh SYNOPSIS 41.Cd "device isa" 42.Sh DESCRIPTION 43The system includes a machine-independent 44.Tn ISA 45bus subsystem and several machine-independent 46.Tn ISA 47device drivers. 48.Pp 49Note that interrupt mappings on the i386 may require that you configure 50your BIOS to reserve the interrupts for these devices as "Legacy ISA". 51If such configuration is not done, the system may use those interrupts 52for 53.Xr pci 4 54devices instead. 55.Pp 56.Dx 57provides support for the following devices. 58Note that not all architectures support all devices. 59.Ss Disk and tape controllers 60.Bl -tag -width 12n -offset indent -compact 61.It Xr fdc 4 62PC architecture floppy disk controller driver 63.It Xr nata 4 64Generic ATA/ATAPI disk controller driver 65.El 66.Ss Serial and parallel interfaces 67.Bl -tag -width 12n -offset indent -compact 68.It Xr lpt 4 69Generic printer device driver 70.It Xr sio 4 71Generic serial controller driver 72.El 73.Ss Hardware Sensors & Watchdog Timers 74.Bl -tag -width 12n -offset indent -compact 75.It Xr amdsbwd 4 76AMD SB600/SB7xx/SB8xx watchdog timer 77.It Xr aps 4 78ThinkPad Active Protection System accelerometer 79.It Xr ichwd 4 80Intel ICH watchdog timer 81.It Xr it 4 82ITE IT8705F/IT8712F/IT8716F/IT8718F/IT8726F and SiS SiS950 83temperature, voltage, and fan sensor with watchdog timer 84.It Xr lm 4 85National Semiconductor LM78/79/81 temperature, voltage, and fan sensor 86.It Xr nsclpcsio 4 87National Semiconductor PC87366 LPC Super I/O with GPIO 88.It Xr uguru 4 89ABIT temperature, voltage and fan sensors 90.It Xr wbsio 4 91Winbond LPC Super I/O 92.El 93.Ss Miscellaneous devices 94.Bl -tag -width 12n -offset indent -compact 95.It Xr atkbdc 4 96AT keyboard controller interface 97.It Xr joy 4 98Joystick device driver 99.It Xr npx 4 100Numeric Processing Extension coprocessor and emulator 101.It Xr orm 4 102ISA I/O space option ROM(s) driver 103.It Xr ppc 4 104Parallel Port Chipset driver 105.It Xr spic 4 106Sony Programmable I/O Controller device driver 107.It Xr syscons 4 108System Console driver 109.It Xr vga 4 110VGA graphics driver 111.El 112.Sh SEE ALSO 113.Xr intro 4 , 114.Xr pnpbios 4 115