---
name: "mtd"
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/mtd"
---

# mtd(4)

Myson Technology MTD800/MTD803/MTD891 10/100/1Gb Ethernet device

## NAME

**mtd** – Myson Technology MTD800/MTD803/MTD891 10/100/1Gb Ethernet device

## SYNOPSIS

**mtd\* at pci?** **mtdphy\* at mii?**

## DESCRIPTION

The **mtd** driver provides support for Myson MTD800/MTD803 Fast Ethernet and MTD891 Gigabit Ethernet chips.

Supported models include:

- Safeway Lancard SW-10/100 PCI (model 117204)

- Surecom EP-320X-S

## SEE ALSO

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

## HISTORY

The **mtd** driver first appeared in OpenBSD 3.4.

## AUTHORS

The **mtd** driver was written by Oleg Safiullin ⟨*form@pdp11.org.ru*⟩

## BUGS

The **mtd** driver does not support Power Management.