---
name: "otusfw"
section: "4"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["freebsd"]
url: "https://new.carta.tech/otusfw"
---

# otusfw(4)

Firmware Module for AR9170 driver

## NAME

**otusfw** – Firmware Module for AR9170 driver

## SYNOPSIS

To compile this module into the kernel, place the following line in your kernel configuration file:

**device otusfw**

This will include the firmware image, AR9170, inside the kernel. [otus(4)](/otus/4.md) will load the image into the chip.

Alternatively, to load the firmware images as a module at boot time, place the following line in [loader.conf(5)](/loader.conf/5.md):

```
otusfw_init_load="YES"
otusfw_main_load="YES"
```

## DESCRIPTION

This module provides the firmware for the Atheros AR9170 based USB WiFi adapters.

## SEE ALSO

[otus(4)](/otus/4.md), [firmware(9)](/firmware/9.md)