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1.1     ! root        1: .\" Copyright (c) 1990 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)intro.4     5.1 (Berkeley) 6/29/90
        !             6: .\"
        !             7: .TH INTRO 4 "June 29, 1990"
        !             8: .UC 7
        !             9: .SH NAME
        !            10: intro \- introduction to special files and hardware support
        !            11: .SH DESCRIPTION
        !            12: This section describes the special files, related driver functions,
        !            13: and networking support
        !            14: available in the system.
        !            15: In this part of the manual, the SYNOPSIS section of
        !            16: each configurable device gives a sample specification
        !            17: for use in constructing a system description for the
        !            18: .IR config (8)
        !            19: program.
        !            20: The DIAGNOSTICS section lists messages which may appear on the console
        !            21: and/or in the system error log
        !            22: .I /usr/adm/messages
        !            23: due to errors in device operation;
        !            24: see
        !            25: .IR syslogd (8)
        !            26: for more information.
        !            27: .PP
        !            28: This section contains both devices
        !            29: which may be configured into the system, ``4'' entries,
        !            30: and network related information,
        !            31: ``4N'', ``4P'', and ``4F'' entries;
        !            32: The networking support is introduced in
        !            33: .IR intro (4N).
        !            34: .SH "HP DEVICE SUPPORT"
        !            35: This section describes the hardware supported on the HP 9000/300 series.
        !            36: Software support for these devices comes in two forms.  A hardware
        !            37: device may be supported with a character or block
        !            38: .IR "device driver" ,
        !            39: or it may be used within the networking subsystem and have a
        !            40: .IR "network interface driver" .
        !            41: Block and character devices are accessed through files in the file
        !            42: system of a special type; c.f.
        !            43: .IR mknod (8).
        !            44: Network interfaces are indirectly accessed through the interprocess
        !            45: communication facilities provided by the system; see
        !            46: .IR socket (2).
        !            47: .PP
        !            48: A hardware device is identified to the system at configuration time
        !            49: and the appropriate device or network interface driver is then compiled
        !            50: into the system.  When the resultant system is booted, the
        !            51: autoconfiguration facilities in the system probe for the device
        !            52: and, if found, enable the software support for it.
        !            53: If a device does not respond at autoconfiguration
        !            54: time it is not accessible at any time afterwards.
        !            55: To enable a device which did not autoconfigure,
        !            56: the system will have to be rebooted.
        !            57: .PP
        !            58: The autoconfiguration system is described in
        !            59: .IR autoconf (4).
        !            60: A list of the supported devices is given below.
        !            61: .SH SEE ALSO
        !            62: intro(4),
        !            63: intro(4N),
        !            64: autoconf(4),
        !            65: config(8).
        !            66: .PP
        !            67: Building 4.3BSD UNIX Systems with \fIConfig\fP (SMM:2)
        !            68: .SH "LIST OF DEVICES"
        !            69: The devices listed below are supported in this incarnation of
        !            70: the system.  Pseudo-devices are not listed.
        !            71: Devices are indicated by their functional interface.
        !            72: Occasionally, new devices of a similar type may be added
        !            73: simply by creating appropriate table entries in the driver;
        !            74: e.g. new CS/80 drives.
        !            75: .sp
        !            76: .ta 1.0i
        !            77: .nf
        !            78: ct     7946/9144 CS/80 cartridge tape
        !            79: dca    98644 built-in serial interface
        !            80: dma    98620B DMA controller
        !            81: grf/ite        Topcat/Gatorbox/Renaissance frame buffer
        !            82: hil    HIL interface
        !            83: hpib   Built-in and 98625 HP-IB interface
        !            84: le     98643 Lance-based ethernet interface
        !            85: ppi    HP-IB printer/plotter interface
        !            86: rd     CS/80 disk interface

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