EPIC(4) | Device Drivers Manual | EPIC(4)

# NAME

`epic` — SMC 83C170 (EPIC/100) 10/100 Ethernet device

# SYNOPSIS

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

# DESCRIPTION

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:

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

# SEE ALSO

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

# HISTORY

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

# AUTHORS

The `epic` driver was written by Jason R. Thorpe <thorpej@wasabisystems.com> and ported to OpenBSD by Brad Smith <brad@openbsd.org>.

March 21, 2022 | Debian