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BUSSW(4) Device Drivers Manual (mvme88k) BUSSW(4)

busswBusSwitch local peripheral bus interface

bussw0 at mainbus0 addr 0xfff00000

The bussw BusSwitch ASIC provides an interface from the MVME197's 64-bit wide system bus to the MC68040 compatible 32-bit wide local bus, to which the system's I/O devices, e.g. SCSI and Ethernet, are attached.

It includes the following features:

intro(4), pcctwo(4), syscon(4)

January 5, 2008 OpenBSD-5.3