1.\" $OpenBSD: eisa.4,v 1.23 2020/01/10 01:13:19 jsg Exp $ 2.\" $NetBSD: eisa.4,v 1.10 2001/09/11 22:52:52 wiz Exp $ 3.\" 4.\" Copyright (c) 1997 Jonathan Stone 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgements: 17.\" This product includes software developed by Jonathan Stone 18.\" 4. The name of the author may not be used to endorse or promote products 19.\" derived from this software without specific prior written permission 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31.\" 32.Dd $Mdocdate: January 10 2020 $ 33.Dt EISA 4 34.Os 35.Sh NAME 36.Nm eisa 37.Nd introduction to EISA bus support 38.Sh SYNOPSIS 39Machine-dependent; depends on the bus topology and 40.Tn EISA 41bus interface of your system. 42Typical 43.Tn EISA 44buses are either connected directly 45to the main system bus, or via an 46.Tn PCI 47to 48.Tn EISA 49bridge. 50See the 51.Xr intro 4 52documentation for your system for details. 53.Sh DESCRIPTION 54.Ox 55includes a machine-independent 56.Tn EISA 57bus subsystem and several machine-independent 58.Tn EISA 59device drivers. 60.Pp 61.Ox 62provides support for the following devices. 63Note that not all architectures support all devices. 64.Ss Disk and tape controllers 65.Bl -tag -width 12n -offset ind -compact 66.It Xr cac 4 67Compaq Smart Array 2/3/4 SCSI RAID controller 68.El 69.Ss SCSI interfaces 70.Bl -tag -width 12n -offset ind -compact 71.It Xr ahc 4 72Adaptec VL/EISA/PCI SCSI interface 73.It Xr uha 4 74Ultrastor SCSI interface 75.El 76.Ss Network interfaces 77.Bl -tag -width 12n -offset ind -compact 78.It Xr ep 4 793Com EtherLink III and Fast EtherLink III 10/100 Ethernet device 80.\" .It Xr le 4 81.\" Digital DE422 82.\" .Tn Ethernet 83.\" interfaces. 84.\" .It Xr tlp 4 85.\" Digital DE425 86.\" .Tn Ethernet 87.\" interfaces. 88.El 89.Pp 90Note that most or all 91.Tn EISA 92devices also have 93.Tn PCI 94or 95.Tn ISA 96equivalents. 97These are listed in 98.Xr pci 4 , 99.Xr isa 4 , 100or 101.Xr isapnp 4 , 102respectively. 103The manual pages for each individual driver also lists the 104supported bus variants. 105.Sh SEE ALSO 106.Xr intro 4 107.Sh HISTORY 108The machine-independent 109.Tn EISA 110subsystem appeared in 111.Ox 1.2 . 112