1.\" 2.\" Copyright (c) 1997 Colin Wood 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. All advertising materials mentioning features or use of this software 14.\" must display the following acknowledgement: 15.\" This product includes software developed by Colin Wood 16.\" for the NetBSD Project. 17.\" 4. 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.\" $OpenBSD: obio.4,v 1.5 2007/05/31 19:19:55 jmc Exp $ 32.\" $NetBSD: obio.4,v 1.1 1997/07/18 02:13:40 ender Exp $ 33.\" 34.Dd $Mdocdate: May 31 2007 $ 35.Dt OBIO 4 landisk 36.Os 37.Sh NAME 38.Nm obio 39.Nd landisk onboard I/O bus device 40.Sh SYNOPSIS 41.Cd "obio0 at mainbus?" 42.Sh DESCRIPTION 43The 44.Nm 45interface serves as an abstraction used by the autoconfiguration 46system to help find and attach devices 47.Pq e.g. the disk controllers 48connected to the 49.Tn landisk 50onboard I/O bus. 51.Pp 52.Ox 53provides support for the following devices: 54.Pp 55.Bl -tag -width 12n -offset indent -compact 56.It Xr power 4 57power switch 58.It Xr wdc 4 59WD100x compatible hard disk controller driver 60.El 61.Sh SEE ALSO 62.Xr intro 4 , 63.Xr mainbus 4 64.Sh HISTORY 65The 66.Nm 67driver first appeared in 68.Ox 4.1 . 69