SN(4) BSD Kernel Interfaces Manual SN(4)
sn -- Ethernet driver for SMC91Cxx based cards
The sn device driver supports SMC9xxx based ISA and PCMCIA cards.
The sn driver supports SMC9xxx based ISA and PCMCIA cards including:
o 3Com Megahertz X-Jack Ethernet PC-Card CC-10BT
ed(4), el(4), ep(4), ie(4), intro(4), ng_ether(4), vx(4), ifconfig(8)
The sn device driver appeared in FreeBSD 4.0.
BSD September 5, 2004 BSD