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

# stge(4)

Sundance/Tamarack TC9021 1Gb Ethernet device

## NAME

**stge** – Sundance/Tamarack TC9021 1Gb Ethernet device

## SYNOPSIS

**stge\* at pci?** **eephy\* at mii?** **gentbi\* at mii?** **ipgphy\* at mii?**

## DESCRIPTION

The **stge** device driver supports the Sundance/Tamarack TC9021 Gigabit Ethernet chip.

The Sundance/Tamarack TC9021 chip is found on adapters such as the following:

- Allied Telesis CentreCOM LA1000-PCI-T

- Antares Microsystems TC9021

- Asus NX1101

- D-Link DGE-550T

It uses an external PHY or an external 10-bit interface.

The **stge** driver supports IPv4 receive IP/TCP/UDP checksum offload and VLAN tag insertion and stripping.

## SEE ALSO

[arp(4)](/arp/4.md), [eephy(4)](/eephy/4.md), [gentbi(4)](/gentbi/4.md), [ifmedia(4)](/ifmedia/4.md), [intro(4)](/intro/4.md), [ipgphy(4)](/ipgphy/4.md), [mii(4)](/mii/4.md), [netintro(4)](/netintro/4.md), [pci(4)](/pci/4.md), [hostname.if(5)](/hostname.if/5.md), [ifconfig(8)](/ifconfig/8.md)

## HISTORY

The **stge** driver first appeared in OpenBSD 3.1.

## AUTHORS

The **stge** driver was written by Jason R. Thorpe ⟨*thorpej@netbsd.org*⟩.