1996-07-11 00:22:46 +00:00
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.\"
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.\" Copyright (c) 1994 Herb Peyerl
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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. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Herb Peyerl
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.\" 3. 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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1996-07-11 00:31:57 +00:00
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.\" $Id: ep.4,v 1.1 1996/07/11 00:22:46 mpp Exp $
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1996-07-11 00:22:46 +00:00
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.\"
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.Dd February 04, 1993
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.Dt EP 4
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.Os
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.Sh NAME
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.Nm ep
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.Nd Ethernet driver for 3Com Etherlink III (3c5x9)
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.Sh SYNOPSIS
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1996-07-11 00:31:57 +00:00
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.Cd "device ep0 at isa? port 0x300 net irq 10 vector epintr"
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1996-07-11 00:22:46 +00:00
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.Sh DESCRIPTION
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The
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.Nm ep
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device driver supports the 3c509 (ISA) and 3c579 (EISA) cards.
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Various models of these cards come with a different assortment of
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connectors:
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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It AUI/DIX
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Standard 15 pin connector
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.It 10Base2
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BNC, also known as thin-net
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.It 10BaseT
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UTP, also known as twisted pair
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.El
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.Pp
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The default port to use is the BNC. To choose an alternate port,
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use the following flag combinations with
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.Xr ifconfig 8
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or in your /etc/hostname.ep? file.
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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It -link0
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Use the BNC port (default).
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.It \ link0 -link1
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Use the AUI port.
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.It \ link0 \ link1
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Use the UTP port.
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.El
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.Pp
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If there are multiple cards in the computer, they are searched for
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in the following order:
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The 3c579 EISA cards are searched for first -- they will be found
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in EISA slot# order.
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Next, the 3c509 ISA cards are searched -- they are found in increasing
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ethernet address order.
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This is an example of how they will probe:
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.Pp
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ep0 at isa0 port 0x6000-0x600f irq 10: aui/bnc address 00:60:8c:70:e5:c5
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ep1 at isa0 port 0x300-0x30f irq 3: aui/bnc/utp address 00:20:af:10:62:ab
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.Pp
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You may specify the port and irq numbers that the cards are expected
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to be found at, but it is not necessary.
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The cards are sufficiently intelligent to tell us where they
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actually live on the ISA bus.
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.Pp
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.Sh NOTES
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The 3c509 card has no jumpers to set the address.
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3Com supplies software to set the address of the card in software.
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To find the card on the ISA bus, the kernel performs a complex
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scan operation at IO address 0x100.
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Beware!
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Avoid placing other cards at that address!
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.Pp
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Some models of 3c5x9 have all three connectors on them.
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In the case of these cards; you must configure the transceiver type
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with the 3Com supplied DOS configuration disk before the link0/link1
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flags will operate correctly.
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.Pp
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.Sh DIAGNOSTICS
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ep0: reset (status: %x)
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.in +4
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the driver has encountered a FIFO underrun or overrun. The driver will reset
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the card and the packet will be lost. This is not fatal.
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.in -4
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ep0: eeprom failed to come ready
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.in +4
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The eeprom failed to come ready. This probably means the card is wedged.
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.in -4
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ep0: 3c509 in test mode. Erase pencil mark!
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.in +4
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This means that someone has scribbled with pencil in the test area on the
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card. Erase the pencil mark and reboot. (This is not a joke).
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.in -4
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.Sh SEE ALSO
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.Xr ifconfig 8 ,
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.Xr intro 4 ,
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.Xr ed 4 ,
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.Xr eg 4 ,
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.Xr el 4 ,
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.Xr ie 4 ,
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.Xr le 4
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.Sh STANDARDS
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are great. There's so many to choose from.
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