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     fxp -- Intel EtherExpress PRO/100 Ethernet device driver


     device miibus
     device fxp


     The fxp driver provides support for Ethernet adapters based on the Intel
     i82557, i82558, i82559, i82550, and i82562 chips.

     The fxp driver supports the following media types:

     autoselect 	   Enable autoselection of the media type and options

     10baseT/UTP	   Set 10Mbps operation

     100baseTX		   Set 100Mbps (Fast Ethernet) operation

     The fxp driver supports the following media options:

     full-duplex	   Set full duplex operation

     Note that 100baseTX media type is not available on the Pro/10.  For fur-
     ther information on configuring this device, see ifconfig(8).

     The fxp driver supports reception and transmission of extended frames for
     vlan(4).  This capability of fxp can be controlled by means of the
     vlanmtu parameter to ifconfig(8).

     The fxp driver also supports a special link option:

     link0  Some chip revisions have loadable microcode which can be used to
	    reduce the interrupt load on the host cpu.	Not all boards have
	    microcode support.	Setting the link0 flag with ifconfig(8) will
	    download the microcode to the chip if it is available.


     Adapters supported by the fxp driver include:

     o	 Intel EtherExpress PRO/10
     o	 Intel InBusiness 10/100
     o	 Intel PRO/100B / EtherExpressPRO/100 B PCI Adapter
     o	 Intel PRO/100+ Management Adapter
     o	 Intel PRO/100 VE Desktop Adapter
     o	 Intel PRO/100 M Desktop Adapter
     o	 Intel PRO/100 S Desktop, Server and Dual-Port Server Adapters
     o	 Contec C-NET(PI)-100TX (PC-98)
     o	 NEC PC-9821Ra20, Rv20, Xv13, Xv20 internal 100Base-TX (PC-98)
     o	 NEC PC-9821X-B06 (PC-98)
     o	 Many on-board network interfaces on Intel motherboards


     fxp%d: couldn't map memory  A fatal initialization error has occurred.

     fxp%d: couldn't map interrupt  A fatal initialization error has occurred.

     to access the card.  Create, if it does not yet exist, and add to the
     file /boot/device.hints the line ``hint.fxp.0.prefer_iomap="0"''.

     fxp%d: Microcode loaded, int_delay: %d usec  bundle_max: %d  The chip has
     successfully downloaded the microcode, and changed the parameterized val-
     ues to the given settings.


     arp(4), miibus(4), netintro(4), ng_ether(4), polling(4), vlan(4),


     The fxp device driver first appeared in FreeBSD 2.1.


     The fxp device driver was written by David Greenman.  It has then been
     updated to use the busdma API and made endian-clean by Maxime Henrion.
     This manual page was written by David E. O'Brien.

FreeBSD 5.4		       January 30, 2005 		   FreeBSD 5.4


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