CHALLENGE Hardware Nomenclature

CHALLENGE Hardware Nomenclature

A number of special terms are used to describe the multiprocessor CHALLENGE support for VME. The terms are described in the following list. Their relationship is shown graphically in Figure 9-1.

POWERpath-2 Bus The primary system bus, connecting all CPUs and I/O channels to main memory.
POWER Channel-2 The circuit card that interfaces one or more I/O devices to the POWERpath-2 bus.
F-HIO card Adapter card used for cabling a VME card cage to the POWER Channel
VMECC VME control chip, the circuit that interfaces the VME bus to the POWER Channel.

Figure 9-1 : Multiprocessor CHALLENGE Data Path Components

POWERpath-2 Bus	The primary system bus, connecting all CPUs and I/O channels to main memory.
POWER Channel-2	The circuit card that interfaces one or more I/O devices to the POWERpath-2 bus.
F-HIO card	Adapter card used for cabling a VME card cage to the POWER Channel
VMECC	VME control chip, the circuit that interfaces the VME bus to the POWER Channel.