---
name: "dcphy"
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/dcphy"
---

# dcphy(4)

Pseudo-driver for media support on DEC 21143 controllers

## NAME

**dcphy** – Pseudo-driver for media support on DEC 21143 controllers

## SYNOPSIS

**dcphy\* at mii?**

## DESCRIPTION

The **dcphy** driver handles media selection on the DEC 21143 chip as it has no real MII interface.

## SEE ALSO

[ifmedia(4)](/ifmedia/4.md), [intro(4)](/intro/4.md), [mii(4)](/mii/4.md), [ifconfig(8)](/ifconfig/8.md)