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INTRO(4)             NetBSD/hp300 Kernel Interfaces Manual            INTRO(4)


NAME

     intro -- introduction to hp300 special files and hardware support


DESCRIPTION

     This section describes the special files, related driver functions, and
     networking support available in the system.  In this part of the manual,
     the SYNOPSIS section of each configurable device gives a sample specifi-
     cation for use in constructing a system description for the config(1)
     program.  The DIAGNOSTICS section lists messages which may appear on the
     console and/or in the system error log /var/log/messages due to errors in
     device operation; see syslogd(8) for more information.

     This section contains both devices which may be configured into the sys-
     tem and network related information.  The networking support is intro-
     duced in netintro(4).


HP DEVICE SUPPORT

     This section describes the hardware supported on the HP 9000/300 series.
     Software support for these devices comes in two forms.  A hardware device
     may be supported with a character or block device driver, or it may be
     used within the networking subsystem and have a network interface driver.
     Block and character devices are accessed through files in the file system
     of a special type; see mknod(8).  Network interfaces are indirectly
     accessed through the interprocess communication facilities provided by
     the system; see socket(2).

     A hardware device is identified to the system at configuration time and
     the appropriate device or network interface driver is then compiled into
     the system.  When the resultant system is booted, the autoconfiguration
     facilities in the system probe for the device and, if found, enable the
     software support for it.  If a device does not respond at autoconfigura-
     tion time it is not accessible at any time afterwards.  To enable a
     device which did not autoconfigure, the system will have to be rebooted.

     The autoconfiguration system is described in hp300/autoconf(4).


LIST OF DEVICES

     The devices listed below are supported in this incarnation of the system.
     Pseudo-devices are not listed.  Devices are indicated by their functional
     interface.  Occasionally, new devices of a similar type may be added sim-
     ply by creating appropriate table entries in the driver; for example, new
     CS/80 drives.

           com        serial interfaces (98644, 98626, and built-in apci and
                                     dca)
           ct         7946/9144 CS/80 cartridge tape
           dcm        HP 98642A communications multiplexer
           dio        DIO/DIO-II bus
           dnkbd      Domain keyboard
           dvbox      HP98730 ``DaVinci'' device interface
           fhpib      ``fast'' HP-IB interface
           frodo      Frodo ASIC (a.k.a. Apollo Utility Chip)
           gbox       HP98700 ``Gatorbox'' device interface
           grf/ite    Topcat/Gatorbox/Renaissance frame buffer
           hil        HIL interface
           nhpib      Built-in and 98625 HP-IB interface
           hyper      Hyperion device interface
           intio      HP300 internal I/O space driver
           ite        HP Internal Terminal Emulator
           le         98643 Lance-based Ethernet interface
           ppi        HP-IB printer/plotter interface
           rbox       HP98720 ``Renaissance'' device interface
           rd         CS/80 disk interface
           rmp        HP Remote Maintenance Protocol family
           spc        HP98265A SCSI interface
           topcat     HP98544-98550 ``Topcat'' and ``Catseye'' device
                                     interface


SEE ALSO

     config(1), hp300/autoconf(4)

     Building 4.3 BSD UNIX Systems with Config (SMM:2).


HISTORY

     The HP300 intro appeared in 4.3BSD-Reno.

NetBSD 10.0_STABLE             February 17, 2017            NetBSD 10.0_STABLE