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UDL(4) Kernel Interfaces Manual UDL(4) NAME udl -- DisplayLink DL-120 / DL-160 USB display device driver SYNOPSIS To compile this driver into the kernel, place the following lines in your kernel configuration file: device udl device videomode Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): 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) HISTORY The udl driver appeared in OpenBSD 4.6 and FreeBSD 11.0. FreeBSD 16.0 CURRENT December 23, 2025 UDL(4)
NAME | SYNOPSIS | HARDWARE | SEE ALSO | HISTORY
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