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EP(4)			  OpenBSD Programmer's Manual			 EP(4)

     ep - 3Com EtherLink III and Fast EtherLink III 10/100 Ethernet device

     ep* at eisa?
     ep* at isa?
     ep* at pci?
     ep* at pcmcia?
     ep* at isapnp?
     tqphy* at mii?

     The ep device driver supports the 3Com EtherLink III and Fast EtherLink
     III family of Ethernet cards.  This includes, among others, the following

	   3C509   EtherLink III ISA
	   3C509B  EtherLink III ISA (Plug-and-Play)
	   3C556   EtherLink III LAN+Modem PC Card (PCMCIA)
	   3C562   EtherLink III LAN+33.6K Modem PC Card (PCMCIA)
	   3C574   Fast EtherLink III 10/100 LAN PC Card (PCMCIA)
	   3C579   EtherLink III EISA
	   3C589   EtherLink III LAN PC Card (PCMCIA)
	   3C590   Fast EtherLink III PCI
	   3C592   EtherLink III EISA Bus Master
	   3C595   Fast EtherLink III PCI 10/100
	   3C597   Fast EtherLink III EISA 10/100

     Category 3, 4 or 5 unshielded twisted-pair (UTP) cable should be used for
     RJ-45 (10baseT), thick Ethernet coaxial (RG59 B/U, 50 ohm) for AUI/DIX,
     and thin Ethernet coaxial (RG58 A/U or C/U, 50 ohm +/- 4) for BNC
     (10base2).	 Some 3Com NICs also support MII connectors (switchable
     10/100Mbps UTP).

     The following media types and options (as given to ifconfig(8)) are

	   media autoselect
		Enable autoselection of media type and options.

	   media 100baseTX mediaopt full-duplex
		Set 100Mbps (Fast Ethernet) operation and force full-duplex

	   media 100baseTX mediaopt half-duplex
		Set 100Mbps (Fast Ethernet) operation and force half-duplex

	   media 10baseT mediaopt full-duplex
		Set 10baseT (UTP) operation and force full-duplex mode.

	   media 10baseT mediaopt half-duplex
		Set 10baseT (UTP) operation and force half-duplex mode.

	   media 10base5
		Set 10base5 (thick-net) operation (half-duplex only).

	   media 10base2
		Set 10base2 (thin-net) operation (half-duplex only).

     Note that the 100baseTX media type is only available if supported by the
     adapter.  For more information on configuring this device, see
     ifconfig(8).  To view a list of media types and options supported by your
     card try ``ifconfig <device> media''.  For example, ``ifconfig ep0

     If more than one of the supported cards is installed, they are probed for
     in the following order:

	   1.	PCI cards based on PCI function number order.
	   2.	EISA cards based on EISA slot number order.
	   3.	ISA cards based on increasing Ethernet address order.
	   4.	Any ISA cards in Plug-and-Play mode, in Plug-and-Play order.

     You may specify the port and IRQ numbers where the cards are expected to
     be found, but it is not necessary.	 The cards are intelligent enough to
     let us know where they live on the bus.

     ep0: reset (status: %x)  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.

     ep0: eeprom failed to come ready  The EEPROM failed to come ready.	 This
     probably means the card is wedged.

     ep0: erase pencil mark, or disable PnP mode!  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).

     eisa(4), ifmedia(4), intro(4), isa(4), isapnp(4), pci(4), pcmcia(4),
     tqphy(4), hostname.if(5), ifconfig(8)

OpenBSD 4.9		       September 7, 2008		   OpenBSD 4.9

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