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DE(4)			    Kernel Interfaces Manual			 DE(4)

NAME
       de -- DEC DC21x4x Ethernet device driver

SYNOPSIS
       To  compile  this  driver  into the kernel, place the following line in
       your kernel configuration file:

	     device de

       Alternatively, to load the driver as a module 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	Ether-
       net 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
       supported media types for your particular card.

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

HARDWARE
       Adapters	supported by the de driver include:

          Adaptec ANA-6944/TX
          Cogent EM100FX and EM440TX
          Corega FastEther PCI-TX
          D-Link DFE-500TX
          DEC DE435, DEC DE450, and DEC DE500
          ELECOM LD-PCI2T, LD-PCITS
          I-O DATA LA2/T-PCI
          SMC Etherpower 8432,	9332 and 9334
          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 dif-
       ferent 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
       revisions of the	chipset	are not	supported by this driver.

SEE ALSO
       altq(4),	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.

FreeBSD	7.0			 July 16, 2005				 DE(4)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=de&sektion=4&manpath=FreeBSD+7.0-RELEASE>

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