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SIS(4)		       FreeBSD Kernel Interfaces Manual			SIS(4)

NAME
     sis -- SiS	900, SiS 7016 and NS DP83815 fast ethernet device driver

SYNOPSIS
     device miibus
     device sis

DESCRIPTION
     The sis driver provides support for PCI ethernet adapters and embedded
     controllers based on the Silicon Integrated Systems SiS 900 and SiS 7016
     fast ethernet controller chips, as	well as	support	for adapters based on
     the National Semiconductor	DP83815	(MacPhyter) PCI	ethernet controller
     chip, including the Netgear FA311-TX and FA312-TX.

     The SiS 900 is a 100Mbps ethernet MAC and MII-compliant transceiver in a
     single package.  It uses a	bus master DMA and a scatter/gather descriptor
     scheme.  The SiS 7016 is similar to the SiS 900 except that it has	no
     internal PHY, requiring instead an	external transceiver to	be attached to
     its MII interface.	 The SiS 900 and SiS 7016 both have a 128-bit multi-
     cast hash filter and a single perfect filter entry	for the	station
     address.

     The NS DP83815 is also a 100Mbps ethernet MAC with	integrated PHY.	 The
     NatSemi chip and the SiS 900 share	many of	the same features and a	fairly
     similar programming interface, hence both chips are supported by the same
     driver.

     The sis driver supports the following media types:

     autoselect	  Enable autoselection of the media type and options.  The
		  user can manually override the autoselected mode by adding
		  media	options	to rc.conf(5).

     10baseT/UTP  Set 10Mbps operation.	 The ifconfig(8) mediaopt option can
		  also be used to select either	`full-duplex' or `half-duplex'
		  modes.

     100baseTX	  Set 100Mbps (fast ethernet) operation.  The ifconfig(8)
		  mediaopt option can also be used to select either
		  `full-duplex'	or `half-duplex' modes.

     The sis 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
     sis%d: couldn't map ports/memory  A fatal initialization error has
     occurred.

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

     sis%d: watchdog timeout  The device has stopped responding	to the net-
     work, or there is a problem with the network connection (e.g. a cable
     fault).

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

     sis%d: no memory for tx list  The driver failed to	allocate an mbuf for
     the transmitter ring when allocating a pad	buffer or collapsing an	mbuf
     chain into	a clusisr.

     sis%d: chip is in D3 power	state -- setting to D0	This message applies
     only to adapters which support power management.  Some operating systems
     place the controller in low power mode when shutting down,	and some PCI
     BIOSes fail to bring the chip out of this state before configuring	it.
     The controller loses all of its PCI configuration in the D3 state,	so if
     the BIOS does not set it back to full power mode in time, it will not be
     able to configure it correctly.  The driver tries to detect this condi-
     tion and bring the	adapter	back to	the D0 (full power) state, but this
     may not be	enough to return the driver to a fully operational condition.
     If	you see	this message at	boot time and the driver fails to attach the
     device as a network interface, you	will have to perform a warm boot to
     have the device properly configured.

     Note that this condition only occurs when warm booting from another oper-
     ating system.  If you power down your system prior	to booting FreeBSD,
     the card should be	configured correctly.

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

     SiS 900 and SiS 7016 datasheets, http://www.sis.com.tw.

     NatSemi DP83815 datasheet,	http://www.national.com.

HISTORY
     The sis device driver first appeared in FreeBSD 3.0.

AUTHORS
     The sis driver was	written	by Bill	Paul <wpaul@ee.columbia.edu>.

FreeBSD	10.1		       November	24, 2004		  FreeBSD 10.1

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

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