1.\" $OpenBSD: epic.4,v 1.9 2013/07/16 16:05:48 schwarze Exp $ 2.\" 3.\" Copyright (c) 1998 Jason L. Wright (jason@thought.net) 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd $Mdocdate: July 16 2013 $ 28.Dt EPIC 4 29.Os 30.Sh NAME 31.Nm epic 32.Nd SMC 83C170 (EPIC/100) 10/100 Ethernet device 33.Sh SYNOPSIS 34.Cd "epic* at pci?" 35.Cd "acphy* at mii?" 36.Cd "lxtphy* at mii?" 37.Cd "qsphy* at mii?" 38.Sh DESCRIPTION 39The 40.Nm 41interface provides access to the 10Mb/s and 100Mb/s Ethernet networks via the 42.Tn SMC 43.Tn EPIC 44chipset. 45This driver provides support for the 46.Tn SMC 47.Tn EtherPower II 10/100 48Ethernet cards. 49.Pp 50The 51.Nm 52supports several media types, which are selected via the 53.Xr ifconfig 8 54command. 55The supported media types are: 56.Bl -tag -width 6n -offset indent 57.It media autoselect 58Attempt to autoselect the media type (default) 59.It media 100baseFX mediaopt full-duplex 60Use 100baseFX (fiber), full duplex 61.It media 100baseFX Op mediaopt half-duplex 62Use 100baseFX (fiber), half duplex 63.It media 100baseTX mediaopt full-duplex 64Use 100baseTX, full duplex 65.It media 100baseTX Op mediaopt half-duplex 66Use 100baseTX, half duplex 67.It media 100baseTX mediaopt loopback 68Put the interface into loopback mode 69.It media 10baseT mediaopt full-duplex 70Use 10baseT, full duplex 71.It media 10baseT Op mediaopt half-duplex 72Use 10baseT, half duplex 73.It media 10baseT mediaopt loopback 74Put the interface into loopback mode 75.El 76.Sh SEE ALSO 77.Xr acphy 4 , 78.Xr arp 4 , 79.Xr ifmedia 4 , 80.Xr inet 4 , 81.Xr intro 4 , 82.Xr lxtphy 4 , 83.Xr netintro 4 , 84.Xr pci 4 , 85.Xr qsphy 4 , 86.Xr hostname.if 5 , 87.Xr ifconfig 8 88.Sh HISTORY 89The 90.Nm 91device driver first appeared in 92.Nx 1.4 . 93.Ox 94support was added in 95.Ox 3.8 . 96.Sh AUTHORS 97.An -nosplit 98The 99.Nm 100driver was written by 101.An Jason R. Thorpe Aq Mt thorpej@wasabisystems.com 102and ported to 103.Ox 104by 105.An Brad Smith Aq Mt brad@openbsd.org . 106