1997-04-27 13:43:05 +04:00
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.\" $NetBSD: ep.4,v 1.16 1997/04/27 09:43:05 jonathan Exp $
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1997-02-17 15:05:02 +03:00
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.\"
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.\" Copyright (c) 1997 Jonathan Stone
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.\" All rights reserved.
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1994-02-05 05:30:49 +03:00
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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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1997-02-17 15:05:02 +03:00
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.\" must display the following acknowledgements:
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1994-02-05 05:30:49 +03:00
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.\" This product includes software developed by Herb Peyerl
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1997-02-17 15:05:02 +03:00
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.\" This product includes software developed by Jonathan Stone
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1994-02-05 05:30:49 +03:00
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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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1997-02-18 03:56:42 +03:00
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.Dd February 16, 1997
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1994-02-05 05:30:49 +03:00
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.Dt EP 4
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1997-02-24 03:01:49 +03:00
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.Os NetBSD
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1994-02-05 05:30:49 +03:00
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.Sh NAME
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.Nm ep
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1997-02-24 03:01:49 +03:00
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.Nd Ethernet driver for 3Com Etherlink III (3c509, 3c579, 3c59x)
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1994-02-05 05:30:49 +03:00
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.Sh SYNOPSIS
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1997-02-17 15:05:02 +03:00
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.Cd "ep? at isa? port ? irq ?"
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.Cd "ep* at isapnp?"
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.Cd "ep* at eisa? slot ?"
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.Cd "ep* at pci? dev ? function ?"
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1994-02-05 05:30:49 +03:00
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.Sh DESCRIPTION
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1994-04-13 11:01:50 +04:00
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The
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.Nm ep
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1997-02-17 15:05:02 +03:00
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device driver supports the 3Com Etherlink III family of cards on Alpha
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1997-04-10 10:36:28 +04:00
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and i386 CPUs. Supported Etherlink III cards include:
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.Pp
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.Bl -tag -width xxxxxx -offset indent
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.It 3c509
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ISA 10Mbit card, in BNC and multiport variants
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.It 3c509B
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ISA plug-and-play 10Mbit card, in BNC and multiport variants
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.It 3c515
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ISA 10Mbit and 10/100 card with busmastering capability (untested)
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.It 3c579
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EISA 10Mbit card, in BNC and muiltport variants
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.It 3c592
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EISA 10Mbit card with busmastering capability
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.It 3c597
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EISA 10/100Mbit card with busmastering capability
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.It 3c590
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PCI 10Mbit multiport card with busmastering capability
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.It 3c595
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PCI 10/100Mbit multiport card with busmastering capability
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.It 3c900
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PCI 10Mbit card in 10baseT and multiport variants
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.It 3c905
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PCI 10/100Mbit cards
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.El
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The
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.Nm ep
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driver also works with 3c589 PCMCIA cards, if pre-configured to
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work as ISA devices. NetBSD does not include PCMCIA support at this time.
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.Sh MEDIA SELECTION
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1994-04-13 11:01:50 +04:00
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Various models of these cards come with a different assortment of
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media. Supported 10Mbit Ethernet media include:
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.Pp
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.Bl -tag -width xxxxxxxxxx -offset indent
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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 100Mbit cards each support exactly one of the following 100Mbit
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standards:
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.Pp
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It 100baseTX
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100Mbit over cat-5 UTP
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.It 100baseT4
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100Mbit over all four pairs of cat-3 UTP
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.It 100baseFX
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100Mbit over fiber
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.It MII
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MII connection to external 100Mbit PHY
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.El
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Note that the 100baseTX and 100baseT4 cards can also run as 10baseT.
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.Pp
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The
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.Nm
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driver defaults to using the port selected via the vendor-supplied
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configuration utility.
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To choose an alternate port,
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use the following media flags with
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.Xr ifconfig 8
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or in your /etc/ifconfig.ep? file.
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.Pp
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It 10base2
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Use the 10base-2 BNC port.
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.It AUI
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Use the AUI port.
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.It 10baseT
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Use the UTP port in 10base-T mode.
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.It 100baseTX
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Use the builtin 100base-Tx PHY on the UTP port.
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.It 100baseFX
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Use the builtin 100mbit fibre-optic PHY.
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.It 100baseT4
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Use the builtin 100base-T4 PHY on the UTP port.
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1994-04-13 11:01:50 +04:00
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.El
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1997-04-27 13:43:05 +04:00
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The
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.Nm
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driver no longer supports changing media via the link0/link1/link2 flags.
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1994-04-13 11:01:50 +04:00
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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 ISA 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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1994-02-05 05:30:49 +03:00
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.Sh NOTES
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1997-04-27 13:43:05 +04:00
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Etherlink III cards have no jumpers to set the address.
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1995-07-11 05:49:39 +04:00
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3Com supplies software to set the address of the card in software.
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1994-04-13 11:01:50 +04:00
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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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The 3Com configuration utilities can `autosense' the active media and
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save it as default. The saved default medium is the medium that
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was active atthe time the configuration utility was run. The
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.Nm ep
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1997-04-27 13:43:05 +04:00
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driver does not yet re-autosense the active media at boot time.
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If the EEPROM autosense bit is set, the driver simply uses the media
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type sensed and saved when the configuration utility was run.
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1994-02-05 05:30:49 +03:00
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.Sh DIAGNOSTICS
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1994-04-13 11:01:50 +04:00
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ep0: reset (status: %x)
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1994-02-05 05:30:49 +03:00
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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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1994-04-13 11:01:50 +04:00
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ep0: eeprom failed to come ready
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1994-02-05 05:30:49 +03:00
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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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1994-04-13 11:01:50 +04:00
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ep0: 3c509 in test mode. Erase pencil mark!
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1994-02-05 05:30:49 +03:00
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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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1997-02-17 15:05:02 +03:00
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.Sh BUGS
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Support for autosensing the active media should be added to the driver.
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1994-02-05 05:30:49 +03:00
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.Sh SEE ALSO
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1995-07-11 05:42:57 +04:00
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.Xr ifconfig 8 ,
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.Xr intro 4 ,
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.Xr isa 4 ,
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.Xr isapnp 4 ,
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.Xr eisa 4 ,
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.Xr pci 4
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1995-07-11 05:42:57 +04:00
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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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1994-02-05 05:30:49 +03:00
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.Sh STANDARDS
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are great. There's so many to choose from.
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