NetBSD/share/man/man4/en.4

.\"	$NetBSD: en.4,v 1.7 2001/09/19 00:49:57 wiz Exp $
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.\" Copyright (c) 1997 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
.\" NASA Ames Research Center.
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.Dd November 10, 1997
.Dt EN 4
.Os
.Sh NAME
.Nm en
.Nd Midway-based ATM interfaces device driver
.Sh SYNOPSIS
.Cd "en* at pci? dev ? function ?"
.Cd "en* at sbus? slot ? offset ?"
.Sh DESCRIPTION
The
.Nm
device driver supports Midway-based
.Tn ATM
interfaces including the
Efficient Networks, Inc. ENI-155 and Adaptec 5900 and 5905.
.Sh OPTIONS
The Efficient Networks, Inc. and Adaptec interfaces use significantly
different DMA engines.
In order to reduce the size of the
.Nm
driver object, exactly one of the following options may be placed
in the kernel configuration file:
.Bl -tag -width MIDWAY_ADPONLY
.It MIDWAY_ADPONLY
Include support for Adaptec interfaces only.
.It MIDWAY_ENIONLY
Include support for Efficient Networks, Inc. interfaces only.
.El
.\" .Sh MEDIA SELECTION
.\" .Sh DIAGNOSTICS
.Sh HARDWARE
Cards supported by the
.Nm
driver include:
.Pp
.Bl -item -compact
.It
Efficient Networks, Inc. ENI-155
.It
Adaptec 5900 and 5905
.El
.Sh SEE ALSO
.Xr intro 4 ,
.Xr pci 4 ,
.Xr sbus 4 ,
.Xr ifconfig 8
.Sh BUGS
The
.Tn Sbus
attachment of the
.Nm
driver only currently functions on sun4c class systems.