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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 14:02:27 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 14:02:27 -0400
commit6d8bdc65446a704d0750217efd05532fc641ea7d (patch)
tree8ae6d698b3c9801750a8b117b3842fb369872a3a /static/openbsd/man4/ef.4
parent2f467bd7ff8f8db0dafa40426166491d7f57f368 (diff)
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+.\" $OpenBSD: ef.4,v 1.18 2013/07/16 16:05:48 schwarze Exp $
+.\"
+.\" Copyright (c) 1998 Jason L. Wright (jason@thought.net)
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd $Mdocdate: July 16 2013 $
+.Dt EF 4
+.Os
+.Sh NAME
+.Nm ef
+.Nd 3Com Fast EtherLink ISA (3c515) 10/100 Ethernet device
+.Sh SYNOPSIS
+.Cd "ef* at isapnp?"
+.Cd "nsphy* at mii?"
+.Sh DESCRIPTION
+The
+.Nm
+device driver supports the 3Com Fast EtherLink ISA family
+of Ethernet cards, and embedded controllers based on the 3Com
+.Dq corkscrew
+EtherLink chips.
+.Pp
+The following media types and options (as given to
+.Xr ifconfig 8 )
+are supported:
+.Bl -tag -width xxx -offset indent
+.It Cm media No autoselect
+Enable autoselection of the media type and options (default).
+.It Cm media No 100baseTX Cm mediaopt No full-duplex
+Set 100Mbps (Fast Ethernet) operation and force full-duplex mode.
+.It Cm media No 100baseTX Cm mediaopt No half-duplex
+Set 100Mbps (Fast Ethernet) operation and force half-duplex mode.
+.It Cm media No 10baseT Cm mediaopt No full-duplex
+Set 10Mbps operation and force full-duplex.
+.It Cm media No 10baseT Cm mediaopt No half-duplex
+Set 10Mbps operation and force half-duplex.
+.El
+.Pp
+If no media options are present, the
+.Nm
+driver places the card into autoselect mode.
+.Pp
+For more information on configuring this device, see
+.Xr ifconfig 8 .
+.Sh DIAGNOSTICS
+.Bl -diag
+.It "ef0: adapter failure (XXXX)"
+A fatal error during receive or transmit has occurred.
+.It "ef0: eeprom failed to come ready"
+When reading/writing the EEPROM, the busy bit failed to clear.
+This may indicate a hardware problem.
+.It "ef0: device timeout"
+The device has stopped responding to the network, or there is a problem with
+the network connection (cable).
+.El
+.Sh SEE ALSO
+.Xr ifmedia 4 ,
+.Xr intro 4 ,
+.Xr isapnp 4 ,
+.Xr nsphy 4 ,
+.Xr hostname.if 5 ,
+.Xr ifconfig 8
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Ox 2.6 .
+.Sh AUTHORS
+The
+.Nm
+driver was written by
+.An Jason L. Wright Aq Mt jason@thought.net .