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INTRO(4) Device Drivers Manual (mvme68k) INTRO(4)

introintroduction to special files and hardware support

The manual pages in section 4 describe 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(8) 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 mvme68k platform. Software support for these devices comes in two forms. A hardware device may be supported with a character or block , or it may be used within the networking subsystem and have a . 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 will have to be rebooted.

The autoconfiguration system is described in autoconf(4). A list of the supported devices is given below.

The devices listed below are supported in this incarnation of the system. Pseudo-devices are not listed. Devices are indicated by their functional interface. Not all supported devices are listed.

Cirrus Logic CL2400 serial controller
MC68681 serial controller
MVME162 on-board flash memory
Intel i82596 Ethernet device
MVME162 Industry Pack ports
AMD LANCE Ethernet device
MVME147 printer interface
MVME165 Local Resource Controller
MVME1[67]2 MCchip
MVME1[67]x memory controller
MVME141 On-Board I/O
Symbios/NCR 53C710 SCSI driver
MVME147 PCC chip
MVME1[67]7 PCC2 chip
MVME1[67]2 static memory
VME bus support
MVME328, MVME328S and MVME328XT high performance SCSI controller
MVME327A SCSI and floppy controller
WD33C93 SCSI adapter interface
Zilog 8530 serial controller

autoconf(4), config(8)

The mvme68k intro first appeared in OpenBSD 2.6.

March 1, 2009 OpenBSD-5.3