The umct driver provides support for MCT USB-to-RS232 Converter and their family products. The device is accessed through the ucom(4) driver which makes it behave like a tty(4).
The umidi driver supports USB MIDI devices that follow the USB MIDI standard. It also supports the following vendor specific devices: Roland UM1 Yamaha UX256 Yamaha UX96 other Yamaha MIDI devices (hop...
The umodem driver provides support for USB modems in the Communication Device Class using the Abstract Control Model. These modems are basically standard serial line modems, but they are accessed via ...
The UNIX-domain protocol family is a collection of protocols that provides local (on-machine) interprocess communication through the normal socket(2) mechanisms. The UNIX-domain family supports the SO...
Some UltraSPARC host bridges provide performance counters on their host bridges. The counters are a part of the system controller chip (usc, dsc, or qsc). On PCI machines the system controller shows u...
The upl driver provides support for Prolific PL2301/PL2302 based host-tohost USB connectors. The upl driver appears as a point-to-point network interface and should be configured with ifconfig(8) in t...
The uplcom driver provides support for Prolific PL-2303 USBto-RS232 Bridge chip. The device is accessed through the ucom(4) driver which makes it behave like a tty(4).
The various random devices produce random output data with different random qualities. Entropy data is collected from system activity (like disk and network device interrupts and such), and then run t...
The urio driver provides support for Rio500 and Rio600 MP3 players from Diamond MultiMedia. The driver implements minimal support to access the device and requires a user application for up and downlo...
The url driver provides support for USB Ethernet adapters based on the Realtek RTL8150L USB-ether bridge chip. The url driver supports the following adapters: Melco Inc. LUA-KTX GreenHouse GH-USB100B ...
OpenBSD provides machine-independent bus support and drivers for Universal Serial Bus (USB) devices. The OpenBSD usb driver has three layers (like scsi(4) and pcmcia(4)): the controller, the bus, and ...