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SYSCON(4) Device Drivers Manual (mvme88k) SYSCON(4)

syscon — MVME188 system controller

syscon0 at mainbus0 addr 0xfff00000
nvram0 at syscon0 offset 0x80000
dart0 at syscon0 offset 0x82000 ipl 3
vme0 at syscon0 offset 0x85000

The syscon driver provides an interface to the different local bus-attached I/O devices found on MVME188 systems.

The devices connected to syscon are:

dart(4)
MC68681 or MC68692 dual UART
nvram(4)
Mostek MK48T0x battery-backed realtime clock
vme(4)
VMEbus interface

intro(4)

May 24, 2013 OpenBSD-5.5