---
name: "gentbi"
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/gentbi"
---

# gentbi(4)

Driver for generic 1000BASE-X ten-bit interfaces

## NAME

**gentbi** – Driver for generic 1000BASE-X ten-bit interfaces

## SYNOPSIS

**gentbi\* at mii?**

## DESCRIPTION

The **gentbi** driver supports generic ten-bit interfaces that implement the 1000BASE-X protocol, including 1000BASE-SX, 1000BASE-LX, and 1000BASE-CX.

## SEE ALSO

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