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autochanger(7) -- SCSI interfaces for medium changer device and magnetooptical autochanger surface device
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An autochanger is a SCSI mass storage device, consisting of a mechanical changer device, one or more data transfer devices (such as optical disk drives), and media (such as optical disks) for data storage. The mechanical changer moves media between storage and usage locations within the autochanger. Depending on system architecture, one of two medium changer drivers (schgr or autox0) provides acce... |
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blmode(7) -- terminal block mode interface
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This terminal interface adds functionality to the current termio(7) functionality to allow for efficient emulation of MPE terminal driver functionality. Most importantly, it adds the necessary functionality to support block mode transfers with HP terminals. The block mode interface only affects input processing and does not affect write requests. Write requests are always processed as described in... |
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cent(7) -- Centronics-compatible interface
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cent is a simple, widely used communication protocol most commonly associated with printers, plotters and scanners. It is an eight-bit parallel data interface with additional control signals from the host computer, and status signals from the peripheral. The cent interface driver does no character processing; that is, it does not interpret the data being transferred between computer and peripheral... |
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clone(7) -- opens a major and minor device pair on a STREAMS driver
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The clone driver is a "pass through" device driver that allows other drivers to select unique minor device numbers on each open(). In effect, the driver passes an open operation through to the other driver. This mechanism allows for multiple instantiations of a driver, each with a different minor number, through a single device file. When the clone driver is opened, it is passed a major and mino... |
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console(7) -- system console interface
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/dev/console provides a termio interface to the device configured as the system console. The init(1M) man page discusses the uses of /dev/systty and /dev/syscon. Output data normally sent to the console, either through /dev/console or generated by a kernel printf, may be redirected to another terminal or pseudo-terminal device through the TIOCCONS ioctl(). See termio(7) for details. |
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ddfa(7) -- Data Communications and Terminal Controller (DTC) Device File Access (DDFA) software
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The Data Communications and Terminal Controller (DTC) Device File Access (DDFA) software allows access from HP-UX system utilities and user applications to terminal servers using standard HP-UX structures. DDFA provides an interface to remote LAN-connected terminal server ports that is similar to the interface for local directly-connected ports. The basic principle is that a daemon is created for ... |
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diag0(7) -- diagnostic interface to HP-PB I/O subsystem
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diag0 is a diagnostic pseudo-driver, which provides HP support tools with access to the HP-PB I/O subsystem. This driver is used by hardware monitors and tools within the Support Tools Manager (STM), to interact with peripherals connected to the system via HP-PB. The I/O drivers also send diagnostic events to diag0 for diagnostic logging by the Support Tools Manager. Without diag0, information tha... |
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diag1(7) -- diagnostic interface to the PCI I/O subsystem
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diag1 is a diagnostic pseudo-driver, which provides support tools with access to the PCI I/O subsystem. This driver is used by tools within the Support Tools Manager (STM) to interact with PCI cards connected to the system. Without diag1, support tools for PCI cards will not be able to operate. |
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diag2(7) -- interface for diagnostic logging and interface to processors
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diag2 is used by hardware monitors and tools within the Support Tools Manager (STM), to interact with processor hardware via Processor Dependent Code (PDC). Without diag2, support tools for processors will not be able to operate. diag2 is also the key component for the following support features: I/O error logging Low priority machine check (LPMC) logging Memory error logging Pro-active memory pag... |
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disk(7) -- direct disk access
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This entry describes the actions of HP-UX disk drivers when referring to a disk as either a block-special or character-special (raw) device. |
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dlpi(7) -- data link provider interface
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This manual page gives a brief description on DLPI (the data link provider interface) and how to interface with the set of API's that are provided by DLPI. HP-UX DLPI serves as a Layer 2 (Data Link Layer) of an OSI architecture. DLPI serves as an interface between LAN device drivers and DLPI users. DLPI is intended for use by experienced network users only. HP-UX DLPI has two broader sets of inte... |
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floppy(7) -- direct flexible or ``floppy'' disk access
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Flexible disk devices are removable-media disk devices that are typically used to share data with other systems. Media types are identified by physical size (such as 3.5-inch and 5.25-inch), number of data surfaces (or sides), and data density. By convention, flexible disk devices are named using the same conventions as those used for other disk devices (see disk(7)). Data can be stored on flexibl... |
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framebuf(7) -- information for raster frame-buffer devices
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Frame-buffer devices are raster-based displays. These devices use memory-mapped I/O to obtain much higher performance than possible with tty-based graphic terminals. Frame-buffer devices can be accessed directly using this interface, although access through the STARBASE libraries is recommended (see starbase(3G)). Direct access to framebuffer devices entails precise knowledge of the frame-buffer a... |
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gang_sched(7) -- Gang Scheduler
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The gang scheduler permits a set of MPI (Message Passing Interface) processes, or multiple threads from a single process, to be scheduled concurrently as a group. Gang scheduling is enabled and disabled by setting the MP_GANG environment variable to ON or OFF. The gang scheduling feature can significantly improve parallel application performance in loaded timeshare environments that are oversubscr... |
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hil(7) -- HP-HIL device driver
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HP-HIL, the Hewlett-Packard Human Interface Link, is the HewlettPackard standard for interfacing a personal computer, terminal, or workstation to its input devices. hil supports devices such as keyboards, mice, control knobs, ID modules, button boxes, digitizers, quadrature devices, bar code readers, and touchscreens. On systems with a single link, HP-HIL device file names use the following format... |
