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+.\" $OpenBSD: jme.4,v 1.8 2021/09/08 20:29:21 jmc Exp $
+.\"
+.\" Copyright (c) 2008 Jonathan Gray <jsg@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: September 8 2021 $
+.Dt JME 4
+.Os
+.Sh NAME
+.Nm jme
+.Nd JMicron JMC25x/JMC26x 10/100/1Gb Ethernet device
+.Sh SYNOPSIS
+.Cd "jme* at pci?"
+.Cd "jmphy* at mii?"
+.Sh DESCRIPTION
+The
+.Nm
+driver supports PCI Express Ethernet adapters based on the JMicron
+JMC260 10/100 and JMC250 10/100/1Gb Ethernet chips.
+The Ethernet portion of the JMC261 10/100 and
+JMC251 10/100/1Gb chips,
+which incorporate a card reader,
+is also supported.
+.Pp
+The
+.Nm
+driver supports IPv4 receive/transmit IP/TCP/UDP checksum offload, IPv6
+receive/transmit TCP/UDP checksum offload and VLAN tag insertion and
+stripping.
+.Pp
+The following
+.Ar media
+types are supported:
+.Pp
+.Bl -tag -width autoselect -compact
+.It Cm autoselect
+Enable autoselection of the media type and options.
+.It Cm 10baseT
+Set 10Mbps operation.
+.It Cm 100baseTX
+Set 100Mbps (Fast Ethernet) operation.
+.It Cm 1000baseT
+Set 1000Mbps (Gigabit Ethernet) operation (some models only).
+.El
+.Sh SEE ALSO
+.Xr arp 4 ,
+.Xr ifmedia 4 ,
+.Xr intro 4 ,
+.Xr jmphy 4 ,
+.Xr netintro 4 ,
+.Xr pci 4 ,
+.Xr hostname.if 5 ,
+.Xr ifconfig 8
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Ox 4.5 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Pyun YongHyeon
+for
+.Fx
+and ported to
+.Ox
+by
+.An Jonathan Gray Aq Mt jsg@openbsd.org .