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manpage for cnw driver, from FreeBSD/PAO2 repository

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.\" Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that this notice is retained,
.\" the conditions in the following notices are met, and terms applying
.\" to contributors in the following notices also apply to Berkeley
.\" Software Design, Inc.
.\"
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by
.\" Berkeley Software Design, Inc.
.\" 4. Neither the name of the Berkeley Software Design, Inc. nor the names
.\" of its contributors may be used to endorse or promote products derived
.\" from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN, INC. BE LIABLE
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" PAO2 Id: cnw.4,v 1.1.1.1 1997/12/11 14:46:23 itojun Exp
.\"
.Dd January 5, 1997
.Dt CNW 4 i386
.Os
.Sh NAME
.Nm cnw
.Nd
.Tn Netwave AirSurfer Wireless LAN interface
.Sh SYNOPSIS
.Cd "cnw0 at pcmcia?"
.Sh DESCRIPTION
The
.Nm cnw
interface provides access to a theoretical 1 Mb/s wireless ethernet network
based on the Netwave AirSurfer Wireless LAN (formerly known as the Xircom
Netwave Wireless LAN).
It use 32K of I/O memory mapped to the card along with either 16 I/O ports
or 4K of additional I/O memory for access to command registers. The
driver currently only supports the use of the additional 4K of I/O memory.
.Pp
In use, the cards appear to achieve up to a 420Kb/s transfer rate, though
a transfer rate between 250Kb/s and 350Kb/s is typical. The card
operates in the 2.4Ghz frequency range and is subject to interference
from microwaves as well as earth.
.Pp
.Sh SEE ALSO
.Xr intro 4 ,
.Xr arp 4 ,
.Xr inet 4 ,
.Xr cnwctl 8