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DE(4)			 BSD Kernel Interfaces Manual			 DE(4)

NAME
     de	-- DEC DC21x4x Ethernet	device driver

SYNOPSIS
     To	compile	support	for the
     de	driver into your kernel, place the following line in your kernel con-
	figuration file:

	   device de

	Alternatively, to load the
     de	driver at boot time, place the following line in loader.conf(5):

	      if_de_load="YES"

DESCRIPTION
     The de driver provides support for	the Ethernet adapters based on the
     Digital Equipment DC21x4x based self-contained Ethernet and Fast Ethernet
     chips.

     The de driver supports the	following media	types:

     autoselect	      Enable autoselection of the media	type and options

     10baseT/UTP      Set 10Mbps operation on the 10baseT port

     10base2/BNC      Set 10Mbps operation on the BNC port

     10base5/AUI      Set 10Mbps operation on the AUI port

     100baseTX	      Set 100Mbps (Fast	Ethernet) operation

     100baseFX	      Set 100Mbps operation

     100baseT4	      Set 100Mbps operation (4-pair cat-3 cable)

     The de driver supports the	following media	options:

     full-duplex      Set full duplex operation

     Note that the media types available depend	on the particular card in use.
     Some cards	are explicitly programmed to a particular media	type by	a
     setup utility and are not changeable.

     Use the ifconfig(8) command an in particular the -m flag to list the sup-
     ported media types	for your particular card.

     The old "ifconfig linkN" method of	configuration is not supported.

HARDWARE
     Adapters supported	by the de driver include:

     o	 Adaptec ANA-6944/TX
     o	 Cogent	EM100FX	and EM440TX
     o	 Corega	FastEther PCI-TX
     o	 D-Link	DFE-500TX
     o	 DEC DE435, DE425, DEC DE450, and DEC DE500
     o	 ELECOM	LD-PCI2T, LD-PCITS
     o	 I-O DATA LA2/T-PCI
     o	 SMC Etherpower	8432, 9332 and 9334
     o	 ZNYX ZX3xx

DIAGNOSTICS
     de%d: waking device from sleep/snooze mode	 The 21041 and 21140A chips
     support suspending	the operation of the card.

     de%d: error: desired IRQ of %d does not match device's actual IRQ of %d
     The device	probe detected that the	board is configured for	a different
     interrupt than the	one specified in the kernel configuration file.

     de%d: not configured; limit of %d reached or exceeded  There is a limit
     of	32 de devices allowed in a single machine.

     de%d: not configured; 21040 pass 2.0 required (%d.%d found)
     de%d: not configured; 21140 pass 1.1 required (%d.%d found)  Certain re-
     visions of	the chipset are	not supported by this driver.

CAVEATS
     Since the 21040 is	available on both EISA and PCI boards, one must	be
     careful in	how one	defines	the 21040 in the kernel	config file.

SEE ALSO
     arp(4), netintro(4), ng_ether(4), ifconfig(8)

AUTHORS
     The de device driver was written by Matt Thomas.  This manual page	was
     written by	David E. O'Brien.

BSD				 July 16, 2005				   BSD
NAME | SYNOPSIS | DESCRIPTION | HARDWARE | DIAGNOSTICS | CAVEATS | SEE ALSO | AUTHORS

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