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

NAME
     de -- DEC DC21x4x Ethernet device driver

SYNOPSIS
     device de

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 set-
     up 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
     revisions 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                             August 15, 2004                            BSD