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XBOX(4) Device Drivers Manual (sparc64) XBOX(4)

xbox
SPARC SBus Expansion Subsystem

xbox* at sbus?
sbus* at xbox?

The xbox driver provides support for the Sun SBus Expansion Subsystem. This device consists of an SBus card and a chassis which has three additional SBus slots.

intro(4), sbus(4)

DMA support through xbox is currently not implemented. This means that SBus devices using DMA (such as SCSI and some Ethernet controllers) will not attach correctly, and will not work.
May 31, 2007 OpenBSD-current