---
name: "lc"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/lc/4"
---

# lc(4)

DEC EtherWORKS III 10/100 Ethernet device

## NAME

**lc** – DEC EtherWORKS III 10/100 Ethernet device

## SYNOPSIS

**lc0 at isa? port 0x200** **lc1 at isa? port 0x280**

## DESCRIPTION

The **lc** device driver supports DEC EtherWORKS III Ethernet interfaces, which are based on the LEMAC Ethernet chip. This includes the DE203, DE204, and DE205.

## MEDIA SELECTION

The EtherWORKS III series supports various combinations of media, depending on model. Some models also support media autoselect. Media is selected with [ifconfig(8)](/ifconfig/8.md)'s ‘media’ directive.

## SEE ALSO

[arp(4)](/arp/4.md), [ifmedia(4)](/ifmedia/4.md), [intro(4)](/intro/4.md), [isa(4)](/isa/4.md), [netintro(4)](/netintro/4.md), [hostname.if(5)](/hostname.if/5.md), [ifconfig(8)](/ifconfig/8.md)

## HISTORY

The **lc** driver first appeared in NetBSD 1.3, OpenBSD support was added in OpenBSD 3.0.

## AUTHORS

The **lc** driver was written by Matt Thomas ⟨*matt@netbsd.org*⟩ and ported to OpenBSD by Niklas Hallqvist ⟨*niklas@openbsd.org*⟩

## BUGS

The **lc** does not currently support EISA LEMAC interfaces.