gem4

Usage

Overview

The gem driver provides support for various NICs based on the GEM Ethernet controller chips, including the following:

• Apple GMAC (10/100/1000baseT)

• Sun ERI (10/100baseT)

• Sun GEM (10/100/1000baseT)

• Sun GEM (1000baseSX)

It uses an external PHY or an external 10-bit interface.

The gem driver 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 1000baseT mediaopt full-duplex

Use 1000baseT on copper, full duplex

media 1000baseT mediaopt half-duplex

Use 1000baseT on copper, half duplex

media 1000baseSX mediaopt full-duplex

Use 1000baseSX on fiber, full duplex

media 1000baseSX mediaopt half-duplex

Use 1000baseSX on fiber, half duplex

media 100baseTX mediaopt full-duplex

Use 100baseTX, full duplex

media 100baseTX mediaopt half-duplex

Use 100baseTX, half duplex

media 10baseT mediaopt full-duplex

Use 10baseT, full duplex

media 10baseT mediaopt half-duplex

Use 10baseT, half duplex