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EPIC(4) Device Drivers Manual EPIC(4)

epicSMC 83C170 (EPIC/100) 10/100 Ethernet device

epic* at pci?
acphy* at mii?
lxtphy* at mii?
qsphy* at mii?

The epic interface provides access to the 10Mb/s and 100Mb/s Ethernet networks via the SMC EPIC chipset. This driver provides support for the SMC EtherPower II 10/100 Ethernet cards.

The epic supports several media types, which are selected via the ifconfig(8) command. The supported media types are:

Attempt to autoselect the media type (default)
100baseFX mediaopt full-duplex
Use 100baseFX (fiber), full duplex
100baseFX mediaopt half-duplex
Use 100baseFX (fiber), half duplex
100baseTX mediaopt full-duplex
Use 100baseTX, full duplex
100baseTX mediaopt half-duplex
Use 100baseTX, half duplex
100baseTX mediaopt loopback
Put the interface into loopback mode
10baseT mediaopt full-duplex
Use 10baseT, full duplex
10baseT mediaopt half-duplex
Use 10baseT, half duplex
10baseT mediaopt loopback
Put the interface into loopback mode

acphy(4), arp(4), ifmedia(4), inet(4), intro(4), lxtphy(4), netintro(4), pci(4), qsphy(4), hostname.if(5), ifconfig(8)

The epic device driver first appeared in NetBSD 1.4. OpenBSD support was added in OpenBSD 3.8.

The epic driver was written by Jason R. Thorpe <> and ported to OpenBSD by Brad Smith <>.

March 21, 2022 OpenBSD-7.2