120 lines
3.9 KiB
Groff
120 lines
3.9 KiB
Groff
.\"
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.\" Copyright (c) 1997 David E. O'Brien
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.\"
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 19, 1997
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.Dt DE 4
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.Os FreeBSD
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.Sh NAME
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.Nm de
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.Nd DEC DC21x4x Ethernet device driver
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.Sh SYNOPSIS
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.Cd "device de"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the Ethernet adapters based on the Digital
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Equipment DC21x4x based self-contained Ethernet chips.
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.Pp
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It supports the DEC PCI DE435 card, DEC EISA DE425, DEC DE450, DEC DE500,
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SMC 8432, 9332 and 9334, Cogent EM100FX and EM440TX, Asante,
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ZNYX ZX3xx, and others based on the 21040 and 21041 Ethernet controllers or
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the 21140[A], 21141, 21142 and 21143 Fast 100Mbps Ethernet controllers.
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.Pp
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The
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.Nm
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driver supports the following media types:
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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxx
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.It autoselect
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Enable autoselection of the media type and options
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.It 10baseT/UTP
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Set 10Mbps operation on the 10baseT port
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.It 10base2/BNC
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Set 10Mbps operation on the BNC port
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.It 10base5/AUI
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Set 10Mbps operation on the AUI port
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.It 100baseTX
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Set 100Mbps (fast ethernet) operation
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.It 100baseFX
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Set 100Mbps operation
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.It 100baseT4
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Set 100Mbps operation (4-pair cat-3 cable)
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.El
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.Pp
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The
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.Nm
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driver supports the following media options:
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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxx
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.It full-duplex
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Set full duplex operation
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.El
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.Pp
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Note that the media types available depend on the particular card in use.
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Some cards are explicitly programmed to a particular media type by a
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setup utility and are not changeable.
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.Pp
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Use the
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.Xr ifconfig 8
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command an in particular the
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.Fl m
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flag to list the supported media types for your particular card.
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.Pp
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The old
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.Dq ifconfig linkN
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method of configuration is not supported.
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "de%d: waking device from sleep/snooze mode"
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The 21041 and 21140A chips support suspending the operation of the card.
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.It "de%d: error: desired IRQ of %d does not match device's actual IRQ of %d"
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The device probe detected that the board is configured for a different
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interrupt than the one specified in the kernel configuration file.
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.It "de%d: not configured; limit of %d reached or exceeded"
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There is a limit of 32
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.Nm
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devices allowed in a single machine.
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.It "de%d: not configured; 21040 pass 2.0 required (%d.%d found)"
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.It "de%d: not configured; 21140 pass 1.1 required (%d.%d found)"
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Certain revisions of the chipset are not supported by this driver.
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.El
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.Sh CAVEATS
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Since the 21040 is available on both EISA and PCI boards, one must be careful
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in how defines the 21040 in the kernel config file.
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr netintro 4 ,
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.Xr ng_ether 4 ,
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.Xr ifconfig 8
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.Sh AUTHORS
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The
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.Nm
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device driver was written by
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.An Matt Thomas .
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This manual page was written by
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.An David E. O'Brien .
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