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ucom(4) -- USB tty support
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The ucom driver attaches to USB modems, serial ports, and other devices that need to look like a tty. The ucom driver shows a behaviour like a tty(4). This means that normal programs such as tip(1) or... |
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vax/uda(4) -- UDA50 disk controller interface
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This is a driver for the DEC UDA50 disk controller and other compatible controllers. The UDA50 communicates with the host through a packet protocol known as the Mass Storage Control Protocol (MSCP). C... |
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udp(4) -- Internet User Datagram Protocol
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UDP is a simple, unreliable datagram protocol which is used to support the SOCK_DGRAM abstraction for the Internet protocol family. UDP sockets are connectionless, and are normally used with the sendt... |
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udsbr(4) -- D-Link DSB-R100 USB radio devices driver
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The udsbr driver provides support for the D-Link DSB-R100 USB radio. The device is accessed through the radio(4) driver. The DSB-R100 is a rather poor radio and the only feedback that you can get from... |
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uftdi(4) -- USB support for serial adapters based on the FT8U100AX
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The uftdi driver provides support for various serial adapters based on the FTDI chip FT8U100AX. The device is accessed through the ucom(4) driver which makes it behave like a tty(4). The uftdi driver ... |
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ugen(4) -- USB generic device support
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The ugen driver provides support for all USB devices that do not have a special driver. It supports access to all parts of the device, but not in a way that is as convenient as a special purpose drive... |
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i386/uha(4) -- Ultrastor SCSI adapter driver
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The uha driver provides support for the following SCSI adapters: Ultrastor 14f Ultrastor 24f Ultrastor 34f |
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uhci(4) -- USB Universal Host Controller driver
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The uhci driver provides support for USB Universal Host Controller Interface. |
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uhid(4) -- USB generic HID support
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The uhid driver provides support for all HID (Human Interface Device) interfaces in USB devices that do not have a special driver. The device handles the following ioctl(2) calls: USB_GET_REPORT_ID (i... |
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uhidev(4) -- USB Human Interface Device support
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The uhidev driver handles all Human Interface Devices. Each HID device can have several components, e.g., a keyboard and a mouse. These components use different report identifiers (a byte) to distingu... |
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uhub(4) -- introduction to Universal Serial Bus support
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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 ... |
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uk(4) -- SCSI user-level driver
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The uk driver provides support for a process to address devices on the SCSI bus for which there is no configured driver. A SCSI adapter must also be separately configured into the system before this d... |
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ukbd(4) -- USB keyboard support
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The ukbd driver provides support for USB keyboards (i.e., HID devices with reports in usage page 7). Access to the keyboard is through the wskbd(4) driver. |
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ukphy(4) -- generic/unknown IEEE 802.3u Ethernet PHY driver
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The ukphy driver supports the basic functionality of most Ethernet PHYs. |
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ulpt(4) -- USB printer support
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The ulpt driver provides support for USB printers that follow the printer bi- or uni-directional protocol. The bits in the minor number select various features of the driver. Minor Bit Function 64 Do ... |
