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.\" $DragonFly: src/share/man/man4/de.4,v 1.4 2008/05/02 02:05:05 swildner Exp $ 28.\" 29.Dd January 19, 1997 30.Dt DE 4 31.Os 32.Sh NAME 33.Nm de 34.Nd DEC DC21x4x Ethernet device driver 35.Sh SYNOPSIS 36.Cd "device de" 37.Sh DESCRIPTION 38The 39.Nm 40driver provides support for the Ethernet adapters based on the Digital 41Equipment DC21x4x based self-contained Ethernet chips. 42.Pp 43It supports the DEC PCI DE435 card, DEC EISA DE425, DEC DE450, DEC DE500, 44SMC 8432, 9332 and 9334, Cogent EM100FX and EM440TX, Asante, 45ZNYX ZX3xx, and others based on the 21040 and 21041 Ethernet controllers or 46the 21140[A], 21141, 21142 and 21143 Fast 100Mbps Ethernet controllers. 47.Pp 48The 49.Nm 50driver supports the following media types: 51.Bl -tag -width xxxxxxxxxxxxxxx 52.It autoselect 53Enable autoselection of the media type and options 54.It 10baseT/UTP 55Set 10Mbps operation on the 10baseT port 56.It 10base2/BNC 57Set 10Mbps operation on the BNC port 58.It 10base5/AUI 59Set 10Mbps operation on the AUI port 60.It 100baseTX 61Set 100Mbps (fast ethernet) operation 62.It 100baseFX 63Set 100Mbps operation 64.It 100baseT4 65Set 100Mbps operation (4-pair cat-3 cable) 66.El 67.Pp 68The 69.Nm 70driver supports the following media options: 71.Bl -tag -width xxxxxxxxxxxxxxx 72.It full-duplex 73Set full duplex operation 74.El 75.Pp 76Note that the media types available depend on the particular card in use. 77Some cards are explicitly programmed to a particular media type by a 78setup utility and are not changeable. 79.Pp 80Use the 81.Xr ifconfig 8 82command an in particular the 83.Fl m 84flag to list the supported media types for your particular card. 85.Pp 86The old 87.Dq ifconfig linkN 88method of configuration is not supported. 89.Sh DIAGNOSTICS 90.Bl -diag 91.It "de%d: waking device from sleep/snooze mode" 92The 21041 and 21140A chips support suspending the operation of the card. 93.It "de%d: error: desired IRQ of %d does not match device's actual IRQ of %d" 94The device probe detected that the board is configured for a different 95interrupt than the one specified in the kernel configuration file. 96.It "de%d: not configured; limit of %d reached or exceeded" 97There is a limit of 32 98.Nm 99devices allowed in a single machine. 100.It "de%d: not configured; 21040 pass 2.0 required (%d.%d found)" 101.It "de%d: not configured; 21140 pass 1.1 required (%d.%d found)" 102Certain revisions of the chipset are not supported by this driver. 103.El 104.Sh CAVEATS 105Since the 21040 is available on both EISA and PCI boards, one must be careful 106in how defines the 21040 in the kernel config file. 107.Sh SEE ALSO 108.Xr arp 4 , 109.Xr ifmedia 4 , 110.Xr netintro 4 , 111.Xr ng_ether 4 , 112.Xr ifconfig 8 113.Sh AUTHORS 114.An -nosplit 115The 116.Nm 117device driver was written by 118.An Matt Thomas . 119This manual page was written by 120.An David E. O'Brien . 121