intro
—
introduction to sun3 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 specification 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 system and network related information. The networking support is
introduced in
netintro(4).
This section describes the hardware supported on the Sun3 platform. 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 autoconfiguration
time it is not accessible at any time afterwards. To enable a device which
did not autoconfigure, the system must be rebooted.
The autoconfiguration system is described in
sun3/autoconf(4). A
list of the supported devices is given below.
The following Sun3 system architectures and models are supported:
- sun3
- Sun3 systems: (MC68020)
Sun 3/50 (16 MHz)
Sun 3/60 (20 MHz)
Sun 3/100 series (16.67 MHz)
Sun 3/200 series (25 MHz)
- sun3x
- Sun3X systems: (MC68030)
Sun 3/80 (20 MHz)
Sun 3/470 (33 MHz)
The devices listed below are supported in this incarnation of the system.
Devices are indicated by their functional interface. Not all supported devices
are listed.
- bwtwo
- black and white obio frame buffer
- cgtwo
- 8 bit VMEbus color frame buffer
- cgfour
- 8 bit obio color graphics frame buffer
- eeprom
- Sun non-volatile configuration RAM driver
- esp
- NCR53C90 ESP100 (Sun 3/80) SCSI controller
- fd
- Intel 82072 obio (Sun 3/80) floppy disk drive controller
- ie
- Intel 82586 Ethernet controller (Sun 3/100, 3/200, 3/470)
- kbd
- Sun type 2, type 3, type 4, and type 5 keyboards (on zs)
- le/lebuffer
- AMD 7990 LANCE Ethernet controller (Sun 3/50, 3/60, 3/80)
- ms
- Sun mouse (on zs)
- si
- NCR5380 "SCSI-3" VMEbus SCSI controller
- vme
- VMEbus support (Sun 3/100, 3/200, 3/470)
- xd
- Xylogics 753/7053 VMEbus SMD disk controller
- xy
- Xylogics 450/451 VMEbus SMD disk controller
- zs
- Zilog 8530 serial controller
The following devices are not supported, due to unavailability of either
documentation or sample hardware:
- sc
- Sun "SCSI-2" VMEbus SCSI controller
This sun3 intro
appeared in NetBSD
1.3. Large chunks of text carefully recycled (shamelessly appropriated)
from NetBSD/pmax
sun3/intro(4).