.\"	$OpenBSD: ibus.4,v 1.11 2008/03/31 12:43:41 jmc Exp $
.\"
.\" Copyright (c) 2003 Jason L. Wright (jason@thought.net)
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.Dd $Mdocdate: March 31 2008 $
.Dt IBUS 4 vax
.Os
.Sh NAME
.Nm ibus
.Nd VAX internal bus
.Sh SYNOPSIS
.Cd "ibus0 at mainbus0"
.Sh DESCRIPTION
The
.Nm ibus
driver supports the internal I/O bus found on Q-bus based or Q-bus
capable VAXstation, MicroVAX, and VAX 4000 systems.
It is combined with a
.Xr vsbus 4
on the VAX 4000 100 class and certain later MicroVAX 3100 class systems.
.Sh SUPPORTED DEVICES
The following devices are supported on
.Nm :
.Pp
.Bl -tag -width uba(4) -compact -offset indent
.It Xr le 4
AMD LANCE Ethernet device
.It Xr uba 4
UNIBUS/Q-bus controller
.It Xr ze 4
SGEC Ethernet device
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr vsbus 4