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

NAME
     de — DECchip 21040, 21140, 21141, 21142, and 21143 PCI Ethernet interface
     driver

SYNOPSIS
     de* at pci? dev ? function ?

     Configuration of PHYs may also be necessary.  See mii(4).

DESCRIPTION
     The de driver supports Ethernet and Fast Ethernet interfaces based on the
     Digital Equipment Corporation DECchip 21040, 21140, 21141, 21142, and
     21143 model controllers for PCI bus.

     21040   10BASE-T and AUI/BNC
     21140   10BASE-T and 100BASE-TX
     21141   10BASE-T and 100BASE-TX
     21142   10BASE-T and 100BASE-TX
     21143   10BASE-T and 100BASE-TX

     Supported Network Interface Cards (NIC) include, but are not limited to:

     Accton EN1207i
     Cogent EM100
     Asante AsanteFAST
     DEC DE435
     DEC DE450
     DEC DE500
     SMC 9332
     Znyx NetBlaster ZX340 series (345, 348, 346)

     Generally, if the NIC is for PCI bus, and the major controller chip has
     the DIGITAL logo on it, with one of the model numbers above, the de
     driver should recognize and control it.  Beware, however, that many NIC
     manufacturers change the Ethernet controller chip without changing the
     product model number, and a physical inspection of the NIC, or a probe of
     the NIC with a PCI diagnostic tool is the only way to tell if a real DEC
     TULIP controller is present.

     Multi-port interfaces are typically configured as a PCI-PCI bridge with
     multiple de instances on the PCI bus on the other side of the bridge.

     DEC sold its semiconductor division to Intel.  In addition, there are
     many "knock-offs" of the DEC TULIP Ethernet controller chips; NICs based
     on these chips are handled by the tlp(4) driver.

     This de driver should not be confused with the NetBSD VAX de driver for
     the DEC DEUNA/DELUA Ethernet controller for UniBus.

SEE ALSO
     ifmedia(4), intro(4), mii(4), pci(4), tlp(4), ifconfig(8)

     http://www.adaptec.com/, http://www.asante.com/, http://www.smc.com/,
     http://www.znyx.com/

HISTORY
     The de driver first appeared in NetBSD 1.1

AUTHORS
     Matt Thomas ⟨matt@3am-software.com⟩.

BSD			       February 11, 2000			   BSD

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