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

intro -- introduction to hp300 special files and hardware support
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).
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).
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
config(1), hp300/autoconf(4) Building 4.3 BSD UNIX Systems with Config (SMM:2).
The HP300 intro appeared in 4.3BSD-Reno. NetBSD 10.99 February 17, 2017 NetBSD 10.99
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