---
name: "iophy"
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/iophy"
---

# iophy(4)

Intel i82553 10/100 Ethernet PHY

## NAME

**iophy** – Intel i82553 10/100 Ethernet PHY

## SYNOPSIS

**iophy\* at mii?**

## DESCRIPTION

The **iophy** driver supports the Intel i82553 10/100 Ethernet PHYs found on some Intel i82557-based Ethernet cards.

## SEE ALSO

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