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

# udl(4)

DisplayLink DL-120 / DL-160 USB display device driver

## NAME

**udl** – DisplayLink DL-120 / DL-160 USB display device driver

## SYNOPSIS

**device** **udl** **device** **videomode**

In [loader.conf(5)](/loader.conf/5.md): **udl\_load="YES"**

## HARDWARE

The **udl** driver supports USB display devices based on the DisplayLink DL-120 and DL-160 graphic chips, including:

- Century Corp. Japan Plus One LCD-8000U

- Century Corp. Japan Plus One LCD-4300U

- DisplayLink USB to DVI

- ForwardVideo EasyCAP008 USB to DVI

- HP USB 2.0 Docking Station (FQ834)

- HP USB Graphics Adapter (NL571)

- IOGEAR USB 2.0 External DVI (GUC2020)

- Koenig CMP-USBVGA10 and CMP-USBVGA11

- Lenovo 45K5296 USB to DVI

- Lenovo ThinkVision LT1421

- Lilliput UM-70

- Nanovision MiMo UM-710 and UM-740

- Rextron VCUD60 USB to DVI

- Samsung LD220

- StarTech CONV-USB2DVI

- Sunweit USB to DVI

- Unitek Y-2240 USB to DVI

- VideoHome NBdock1920

- i-tec USB 2.0 Docking Station (USBDVIDOCK)

## SEE ALSO

[usb(4)](/usb/4.md)

## HISTORY

The **udl** driver appeared in OpenBSD 4.6 and FreeBSD 11.0.