1.\" 2.\" Copyright (c) 1997 David E. O'Brien 3.\" 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD: src/share/man/man4/de.4,v 1.9.2.4 2001/08/17 13:08:37 ru Exp $ 27.\" 28.Dd September 5, 2013 29.Dt DE 4 30.Os 31.Sh NAME 32.Nm de 33.Nd DEC DC21x4x Ethernet device driver 34.Sh SYNOPSIS 35.Cd "device de" 36.Sh DESCRIPTION 37The 38.Nm 39driver provides support for the Ethernet adapters based on the Digital 40Equipment DC21x4x based self-contained Ethernet chips. 41.Pp 42It supports the DEC PCI DE435 card, DEC DE450, DEC DE500, 43SMC 8432, 9332 and 9334, Cogent EM100FX and EM440TX, Asante, 44ZNYX ZX3xx, and others based on the 21040 and 21041 Ethernet controllers or 45the 21140[A], 21141, 21142 and 21143 Fast 100Mbps Ethernet controllers. 46A DEC DC21x4x adapter is also found in Microsoft Virtual PC and (as the 47legacy adapter) in Hyper-V. 48.Pp 49The 50.Nm 51driver supports the following media types: 52.Bl -tag -width xxxxxxxxxxxxxxx 53.It autoselect 54Enable autoselection of the media type and options 55.It 10baseT/UTP 56Set 10Mbps operation on the 10baseT port 57.It 10base2/BNC 58Set 10Mbps operation on the BNC port 59.It 10base5/AUI 60Set 10Mbps operation on the AUI port 61.It 100baseTX 62Set 100Mbps (fast ethernet) operation 63.It 100baseFX 64Set 100Mbps operation 65.It 100baseT4 66Set 100Mbps operation (4-pair cat-3 cable) 67.El 68.Pp 69The 70.Nm 71driver supports the following media options: 72.Bl -tag -width xxxxxxxxxxxxxxx 73.It full-duplex 74Set full duplex operation 75.El 76.Pp 77Note that the media types available depend on the particular card in use. 78Some cards are explicitly programmed to a particular media type by a 79setup utility and are not changeable. 80.Pp 81Use the 82.Xr ifconfig 8 83command an in particular the 84.Fl m 85flag to list the supported media types for your particular card. 86.Pp 87The old 88.Dq ifconfig linkN 89method of configuration is not supported. 90.Sh DIAGNOSTICS 91.Bl -diag 92.It "de%d: waking device from sleep/snooze mode" 93The 21041 and 21140A chips support suspending the operation of the card. 94.It "de%d: error: desired IRQ of %d does not match device's actual IRQ of %d" 95The device probe detected that the board is configured for a different 96interrupt than the one specified in the kernel configuration file. 97.It "de%d: not configured; limit of %d reached or exceeded" 98There is a limit of 32 99.Nm 100devices allowed in a single machine. 101.It "de%d: not configured; 21040 pass 2.0 required (%d.%d found)" 102.It "de%d: not configured; 21140 pass 1.1 required (%d.%d found)" 103Certain revisions of the chipset are not supported by this driver. 104.El 105.Sh SEE ALSO 106.Xr arp 4 , 107.Xr ifmedia 4 , 108.Xr netintro 4 , 109.Xr ng_ether 4 , 110.Xr ifconfig 8 111.Sh AUTHORS 112.An -nosplit 113The 114.Nm 115device driver was written by 116.An Matt Thomas . 117This manual page was written by 118.An David E. O'Brien . 119