1.\" $OpenBSD: de.4,v 1.24 2015/01/15 20:37:36 schwarze Exp $ 2.\" 3.\" Copyright (c) 1997 David E. O'Brien 4.\" 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 17.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 20.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd $Mdocdate: January 15 2015 $ 28.Dt DE 4 29.Os 30.Sh NAME 31.Nm de 32.Nd DEC DC21x4x (Tulip) 10/100 Ethernet device 33.Sh SYNOPSIS 34.Cd "de* at pci?" 35.Sh DESCRIPTION 36The 37.Nm 38device driver supports Ethernet adapters based on the Digital 39Equipment DC21x4x based self-contained Ethernet chips. 40This includes, among others, the following models: 41.Pp 42.Bl -tag -width Ds -offset indent -compact 43.It Asante 44.It Cogent EM100FX and EM440TX 45.It DEC PCI DE435, EISA DE425, DE450, DE500 46.It older Linksys 10, 10/100 47.It SMC 8432, 9332, 9334 48.It ZNYX ZX3xx 49.El 50.Pp 51This driver may support other cards based on the 21040 and 21041 Ethernet 52controllers, or the 21140[A], 21141, 21142, and 21143 Fast Ethernet 53controllers. 54.Pp 55The 56.Nm 57driver supports the following media types: 58.Bl -tag -width full-duplex -offset indent 59.It autoselect 60Enable autoselection of the media type and options. 61.It 10baseT 62Set 10Mbps operation on the 10baseT port. 63.It 10base2 64Set 10Mbps operation on the BNC port. 65.It 10base5 66Set 10Mbps operation on the AUI port. 67.It 100baseTX 68Set 100Mbps (Fast Ethernet) operation. 69.It 100baseFX 70Set 100Mbps operation. 71.It 100baseT4 72Set 100Mbps operation (4-pair cat-3 cable). 73.El 74.Pp 75The 76.Nm 77driver supports the following media options: 78.Pp 79.Bl -tag -width full-duplex -offset indent -compact 80.It full-duplex 81Set full duplex operation for UTP port. 82.El 83.Pp 84For more information on configuring this device, see 85.Xr ifconfig 8 . 86To view a list of media types and options supported by your card try 87.Ic ifconfig <device> media . 88For example, 89.Ic ifconfig de0 media . 90.Pp 91Note that the media types available depend on the particular card in use. 92Some cards are explicitly programmed to a particular media type by a 93setup utility and are not changeable. 94.Pp 95The old 96.Dq ifconfig linkN 97method of configuration is not supported. 98.Sh DIAGNOSTICS 99.Bl -diag 100.It "de0: waking device from sleep/snooze mode" 101The 21041 and 21140A chips support suspending the operation of the card. 102.It "de0: error: desired IRQ of X does not match device's actual IRQ of Y" 103The device probe detected that the board is configured for a different 104interrupt than the one specified in the kernel configuration file. 105.It "de0: not configured; limit of N reached or exceeded" 106There is a limit of 32 107.Nm 108devices allowed in a single machine. 109.It "de0: not configured; 21040 pass 2.0 required (X.Y found)" 110.It "de0: not configured; 21140 pass 1.1 required (X.Y found)" 111Certain revisions of the chipset are not supported by this driver. 112.El 113.Sh SEE ALSO 114.Xr arp 4 , 115.Xr ifmedia 4 , 116.Xr intro 4 , 117.Xr netintro 4 , 118.Xr pci 4 , 119.Xr hostname.if 5 , 120.Xr ifconfig 8 121.Sh AUTHORS 122.An -nosplit 123The 124.Nm 125device driver was written by 126.An Matt Thomas . 127This manual page was written by 128.An David E. O'Brien . 129.Sh CAVEATS 130Since the 21040 is available on both EISA and PCI boards, one must be careful 131in how one defines the 21040 in the kernel config file. 132