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MBUS(4) Device Drivers Manual (vax) MBUS(4)

mbus — VAXstation 35x0 and 38x0 bus

mbus0 at mainbus0

The mbus driver supports the M-bus found in VAXstation 35x0 and 38x0 series. It will perform the necessary configuration of all the boards connected to the bus, and will attach a specific driver if necessary.

The following M-bus devices are supported:

fwio(4)
Firefox Workstation I/O module
legss(4)
Low-End Graphics Subsystem
uba(4)
UNIBUS/Q-bus controller

intro(4)

August 20, 2008 OpenBSD-5.9