---
name: "aq"
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/aq"
---

# aq(4)

Aquantia AQC1xx 1Gb/2.5Gb/5Gb/10Gb PCIe Ethernet device

## NAME

**aq** – Aquantia AQC1xx 1Gb/2.5Gb/5Gb/10Gb PCIe Ethernet device

## SYNOPSIS

**aq\* at pci?**

## DESCRIPTION

The **aq** driver provides support for the Aquantia AQC1xx family of Ethernet adapters.

The **aq** driver supports the following media types:

- autoselect

  Enables auto-negotiation for speed and duplex.

- 100baseTX **mediaopt** full-duplex

  Sets 100Mbps operation.

- 1000baseT

  Sets 1000Mbps operation.

- 2500baseT

  Sets 2.5Gbps operation.

- 5000baseT

  Sets 5Gbps operation.

- 10GbaseT

  Sets 10Gbps operation.

For more information on configuring this device, see [ifconfig(8)](/ifconfig/8.md).

## SEE ALSO

[arp(4)](/arp/4.md), [ifmedia(4)](/ifmedia/4.md), [intro(4)](/intro/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 **aq** device driver first appeared in OpenBSD 7.0.

## AUTHORS

The **aq** driver was written by Mike Larkin ⟨*mlarkin@openbsd.org*⟩ and Jonathan Matthew ⟨*jmatthew@openbsd.org*⟩.

## BUGS

This driver only supports devices using Aquantia firmware version 2.