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

# el(4)

3Com EtherLink (3C501) Ethernet device

## NAME

**el** – 3Com EtherLink (3C501) Ethernet device

## SYNOPSIS

**el0 at isa? port 0x300 irq 9**

## DESCRIPTION

The **el** device driver supports 3Com EtherLink (3C501) Ethernet cards.

For more information on configuring this device, see [ifconfig(8)](/ifconfig/8.md). To view a list of media types and options supported by your card try “ifconfig \<device\> media”. For example, “ifconfig el0 media”.

## DIAGNOSTICS

- el0: device timeout

  The device has stopped responding to the network, or there is a problem with the network connection (cable).

- el0: invalid packet size N; dropping

  A packet of an invalid length (less than size of Ethernet header or greater than maximum size of Ethernet frame) was received and dropped.

## SEE ALSO

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