58 lines
2.1 KiB
Groff
58 lines
2.1 KiB
Groff
.\"
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.\" Copyright (c) 1994 James A. Jegers
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $Id: el.4,v 1.7 1998/10/22 14:12:55 bde Exp $
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.\"
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.Dd July 10, 1995
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.Dt EL 4 i386
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.Os FreeBSD
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.Sh NAME
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.Nm el
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.Nd Ethernet driver for 3Com Etherlink 3C501 device driver
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.Sh SYNOPSIS
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.Cd "device el0 at isa? port 0x300 irq 9"
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.Sh DESCRIPTION
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The
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.Nm
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interface provides support for the 3Com 3c501 8bit ISA ethernet card.
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The 3c501 card is known to be quite slow, and a different ethernet card
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should be used if possible.
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However, they allow inexpensive access to 10 Mb/s Ethernet networks.
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.Pp
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The valid I/O ports are in the range 0x280-0x3f0.
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.Sh BUGS
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The driver assumes the card is configured for the same IRQ as the kernel.
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No probing or checking is done to determine if this is the case.
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.Pp
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Does not currently support DMA.
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.Pp
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Does not currently support multicasts.
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.Sh SEE ALSO
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.Xr ed 4 ,
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.Xr eg 4 ,
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.Xr ep 4 ,
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.Xr ie 4 ,
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.Xr intro 4 ,
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.Xr le 4 ,
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.Xr ifconfig 8
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