.\" $NetBSD: ep.4,v 1.16 1997/04/27 09:43:05 jonathan Exp $ .\" .\" Copyright (c) 1997 Jonathan Stone .\" All rights reserved. .\" .\" Copyright (c) 1994 Herb Peyerl .\" 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. .\" 3. All advertising materials mentioning features or use of this software .\" must display the following acknowledgements: .\" This product includes software developed by Herb Peyerl .\" This product includes software developed by Jonathan Stone .\" 3. The name of the author may not be used to endorse or promote products .\" derived from this software without specific prior written permission .\" .\" 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 February 16, 1997 .Dt EP 4 .Os NetBSD .Sh NAME .Nm ep .Nd Ethernet driver for 3Com Etherlink III (3c509, 3c579, 3c59x) .Sh SYNOPSIS .Cd "ep? at isa? port ? irq ?" .Cd "ep* at isapnp?" .Cd "ep* at eisa? slot ?" .Cd "ep* at pci? dev ? function ?" .Sh DESCRIPTION The .Nm ep device driver supports the 3Com Etherlink III family of cards on Alpha and i386 CPUs. Supported Etherlink III cards include: .Pp .Bl -tag -width xxxxxx -offset indent .It 3c509 ISA 10Mbit card, in BNC and multiport variants .It 3c509B ISA plug-and-play 10Mbit card, in BNC and multiport variants .It 3c515 ISA 10Mbit and 10/100 card with busmastering capability (untested) .It 3c579 EISA 10Mbit card, in BNC and muiltport variants .It 3c592 EISA 10Mbit card with busmastering capability .It 3c597 EISA 10/100Mbit card with busmastering capability .It 3c590 PCI 10Mbit multiport card with busmastering capability .It 3c595 PCI 10/100Mbit multiport card with busmastering capability .It 3c900 PCI 10Mbit card in 10baseT and multiport variants .It 3c905 PCI 10/100Mbit cards .El The .Nm ep driver also works with 3c589 PCMCIA cards, if pre-configured to work as ISA devices. NetBSD does not include PCMCIA support at this time. .Sh MEDIA SELECTION Various models of these cards come with a different assortment of media. Supported 10Mbit Ethernet media include: .Pp .Bl -tag -width xxxxxxxxxx -offset indent .It AUI/DIX Standard 15 pin connector .It 10Base2 BNC, also known as thin-net .It 10BaseT UTP, also known as twisted pair .El .Pp The 100Mbit cards each support exactly one of the following 100Mbit standards: .Pp .Bl -tag -width xxxxxxxxxx -offset indent .It 100baseTX 100Mbit over cat-5 UTP .It 100baseT4 100Mbit over all four pairs of cat-3 UTP .It 100baseFX 100Mbit over fiber .It MII MII connection to external 100Mbit PHY .El Note that the 100baseTX and 100baseT4 cards can also run as 10baseT. .Pp The .Nm driver defaults to using the port selected via the vendor-supplied configuration utility. To choose an alternate port, use the following media flags with .Xr ifconfig 8 or in your /etc/ifconfig.ep? file. .Pp .Bl -tag -width xxxxxxxxxx -offset indent .It 10base2 Use the 10base-2 BNC port. .It AUI Use the AUI port. .It 10baseT Use the UTP port in 10base-T mode. .It 100baseTX Use the builtin 100base-Tx PHY on the UTP port. .It 100baseFX Use the builtin 100mbit fibre-optic PHY. .It 100baseT4 Use the builtin 100base-T4 PHY on the UTP port. .El The .Nm driver no longer supports changing media via the link0/link1/link2 flags. .Pp If there are multiple cards in the computer, they are searched for in the following order: The 3c579 EISA cards are searched for first -- they will be found in EISA slot# order. Next, the 3c509 ISA cards are searched -- they are found in increasing ethernet address order. This is an example of how they will probe: .Pp ep0 at isa0 port 0x6000-0x600f irq 10: aui/bnc address 00:60:8c:70:e5:c5 ep1 at isa0 port 0x300-0x30f irq 3: aui/bnc/utp address 00:20:af:10:62:ab .Pp You may specify the port and irq numbers that ISA cards are expected to be found at, but it is not necessary. The cards are sufficiently intelligent to tell us where they actually live on the ISA bus. .Sh NOTES Etherlink III cards have no jumpers to set the address. 3Com supplies software to set the address of the card in software. To find the card on the ISA bus, the kernel performs a complex scan operation at IO address 0x100. Beware! Avoid placing other cards at that address! .Pp The 3Com configuration utilities can `autosense' the active media and save it as default. The saved default medium is the medium that was active atthe time the configuration utility was run. The .Nm ep driver does not yet re-autosense the active media at boot time. If the EEPROM autosense bit is set, the driver simply uses the media type sensed and saved when the configuration utility was run. .Sh DIAGNOSTICS ep0: reset (status: %x) .in +4 the driver has encountered a FIFO underrun or overrun. The driver will reset the card and the packet will be lost. This is not fatal. .in -4 ep0: eeprom failed to come ready .in +4 The eeprom failed to come ready. This probably means the card is wedged. .in -4 ep0: 3c509 in test mode. Erase pencil mark! .in +4 This means that someone has scribbled with pencil in the test area on the card. Erase the pencil mark and reboot. (This is not a joke). .in -4 .Sh BUGS Support for autosensing the active media should be added to the driver. .Sh SEE ALSO .Xr ifconfig 8 , .Xr intro 4 , .Xr isa 4 , .Xr isapnp 4 , .Xr eisa 4 , .Xr pci 4 .Xr ed 4 , .Xr eg 4 , .Xr el 4 , .Xr ie 4 . .Sh STANDARDS are great. There's so many to choose from.