JME(4) | Device Drivers Manual | JME(4)

# NAME

`jme` — JMicron JMC25x/JMC26x 10/100/1Gb Ethernet device

# SYNOPSIS

`jme* at pci?`
`jmphy* at mii?`

# DESCRIPTION

The `jme` driver supports PCI Express Ethernet adapters based on the JMicron JMC260 10/100 and JMC250 10/100/1Gb Ethernet chips. The Ethernet portion of the JMC261 10/100 and JMC251 10/100/1Gb chips, which incorporate a card reader, is also supported.

The `jme` driver supports IPv4 receive/transmit IP/TCP/UDP checksum offload, IPv6 receive/transmit TCP/UDP checksum offload and VLAN tag insertion and stripping.

The following media types are supported:

`autoselect`
  Enable autoselection of the media type and options.
`10baseT`
  Set 10Mbps operation.
`100baseTX`
  Set 100Mbps (Fast Ethernet) operation.
`1000baseT`
  Set 1000Mbps (Gigabit Ethernet) operation (some models only).

# SEE ALSO

arp(4), ifmedia(4), intro(4), jmphy(4), netintro(4), pci(4), hostname.if(5), ifconfig(8)

# HISTORY

The `jme` device driver first appeared in OpenBSD 4.5.

# AUTHORS

The `jme` driver was written by Pyun YongHyeon for FreeBSD and ported to OpenBSD by Jonathan Gray <jsg@openbsd.org>.

September 8, 2021 | Debian