1.\" $OpenBSD: jme.4,v 1.2 2008/10/28 06:25:18 brad Exp $ 2.\" 3.\" Copyright (c) 2008 Jonathan Gray <jsg@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: October 28 2008 $ 18.Dt JME 4 19.Os 20.Sh NAME 21.Nm jme 22.Nd JMicron JMC250/JMC260 10/100/Gigabit Ethernet device 23.Sh SYNOPSIS 24.Cd "jme* at pci?" 25.Cd "jmphy* at mii?" 26.Sh DESCRIPTION 27The 28.Nm 29driver supports PCI Express Ethernet adapters based on the JMicron 30JMC260 10/100 and JMC250 10/100/Gigabit Ethernet chips. 31.Pp 32The 33.Nm 34driver supports IPv4 receive IP/TCP/UDP checksum offload and VLAN 35tag insertion and stripping. 36.Pp 37The following 38.Ar media 39types are supported: 40.Pp 41.Bl -tag -width autoselect -compact 42.It Cm autoselect 43Enable autoselection of the media type and options. 44.It Cm 10baseT 45Set 10Mbps operation. 46.It Cm 100baseTX 47Set 100Mbps (Fast Ethernet) operation. 48.It Cm 1000baseT 49Set 1000Mbps (Gigabit Ethernet) operation (some models only). 50.El 51.Sh SEE ALSO 52.Xr arp 4 , 53.Xr ifmedia 4 , 54.Xr intro 4 , 55.Xr jmphy 4 , 56.Xr netintro 4 , 57.Xr pci 4 , 58.Xr hostname.if 5 , 59.Xr ifconfig 8 60.Sh HISTORY 61The 62.Nm 63device driver first appeared in 64.Ox 4.5 . 65.Sh AUTHORS 66.An -nosplit 67The 68.Nm 69driver was written by 70.An Pyun YongHyeon 71for 72.Fx 73and ported to 74.Ox 75by 76.An Jonathan Gray 77.Aq jsg@openbsd.org . 78