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RUE(4)		       FreeBSD Kernel Interfaces Manual			RUE(4)

NAME
     rue -- RealTek RTL8150 USB	To Fast	Ethernet controller driver

SYNOPSIS
     device uhci
     device ohci
     device usb
     device miibus
     device rue

DESCRIPTION
     The rue driver provides support for USB Ethernet adapters based on	the
     RealTek RTL8150 USB to Fast Ethernet controller chip.  This includes the
     Melco Inc.	LUA-KTX, the GREEN HOUSE GH-USB100B, and the Billionton	10/100
     FastEthernet USBKR2 "thumb" adaptor.

     The RTL8150 contains an integrated	Fast Ethernet MAC, which supports both
     10	and 100Mbps speeds in either full or half duplex.  Although designed
     to	interface with 100Mbps peripheral, the existing	USB standard specifies
     a maximum transfer	speed of 12Mbps.  Users	should therefore not expect to
     actually achieve 100Mbps speeds with this device.

     The rue driver supports the following media types:

     autoselect	  Enable auto selection	of the media type and options.	The
		  user can manually override the auto selected mode by adding
		  media	options	to the /etc/rc.conf file.

     10baseT/UTP  Set 10Mbps operation.	 The mediaopt option can also be used
		  to select either full-duplex or half-duplex modes.

     100baseTX	  Set 100Mbps (Fast Ethernet) operation.  The mediaopt option
		  can also be used to select either full-duplex	or half-duplex
		  modes.

     The rue driver supports the following media options:

     full-duplex  Force	full duplex operation.

     half-duplex  Force	half duplex operation.

     For more information on configuring this device, see ifconfig(8).

DIAGNOSTICS
     rue%d: watchdog timeout  A	packet was queued for transmission and a
     transmit command was issued, however the device failed to acknowledge the
     transmission before a timeout expired.

     rue%d: rx list init failed	 The driver failed to allocate an mbuf for the
     transmitter ring.

     rue%d: no memory for rx list  The driver failed to	allocate an mbuf for
     the receiver ring.

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

     ReakTek RTL8150 data sheet,
     ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/.

HISTORY
     The rue device driver first appeared in FreeBSD 5.1.

AUTHORS
     The rue driver was	written	by Shunsuke Akiyama <akiyama@FreeBSD.org>.

FreeBSD	9.3			  May 3, 2003			   FreeBSD 9.3

NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | SEE ALSO | HISTORY | AUTHORS

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