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NAME

     sn - Ethernet driver for SMC91Cxx based cards

SYNOPSIS

     To compile this driver into the kernel, place the following lines in your
     kernel configuration file:

           device sn

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

           if_sn_load="YES"

DESCRIPTION

     The sn device driver supports SMC91Cxx based ISA and PCMCIA cards.

HARDWARE

     The sn driver supports SMC91Cxx based ISA and PCMCIA cards including:

     ·   3Com Megahertz X-Jack Ethernet PC Card XJ10BT, XJ10BC
     ·   3Com Megahertz XJEM and CCEM series: CCEM3288C, CCEM3288T, CCEM3336,
         CEM3336C, CCEM3336T, XJEM1144C, XJEM1144T, XJEM3288C, XJEM3288T,
         XJEM3336
     ·   Farallon EtherMac PC Card 595a
     ·   Motorola Mariner Ethernet/Modem PC Card
     ·   Ositech Seven of Diamonds Ethernet PC Card
     ·   Ositech Jack of Hearts Ethernet/Modem PC Card
     ·   Psion Gold Card Netglobal Ethernet PC Card
     ·   Psion Gold Card Netglobal 10/100 Fast Ethernet PC Card
     ·   Psion Gold Card Netglobal 56k+10Mb Ethernet PC Card
     ·   SMC EZEther PC Card (8020BT)
     ·   SMC EZEther PC Card (8020T)

     The sn driver supports the SMC 91C90, SMC 91C92, SMC 91C94, SMC 91C95,
     SMC 91C96, SMC91C100 and SMC 91C100FD chips from SMC.

     The Farallon EtherWave and EtherMac card came in two varieties.  The
     ep(4) driver supports the 595 and 895 cards.  These cards have the blue
     arrow on the front along with a 3Com logo.  The Farallon 595a cards,
     which have a red arrow on the front, are also called EtherWave and
     EtherMac.  They are supported by the sn driver.

SEE ALSO

     ed(4), ep(4), ie(4), intro(4), ng_ether(4), vx(4), ifconfig(8)

HISTORY

     The sn device driver appeared in FreeBSD 4.0.