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HT(4) Device Drivers Manual (macppc) HT(4)

htHyperTransport bus

ht* at mainbus0
pci* at ht?

The ht driver provides support for the HyperTransport bus found on Apple G5 machines. The HyperTransport bus is functionally very similar to the pci(4) bus.

intro(4), pci(4)

The ht driver first appeared in OpenBSD 3.9.

The ht driver was written by Mark Kettenis <>.

July 16, 2013 OpenBSD-5.8