System for receiving peripheral device capability information an

Details System for receiving peripheral device capability information an System for receiving peripheral device capability information an

1996-05-17

1998-08-25

Lee, Thomas C.

Multiplex communications

Wide area network

Packet switching

395829, 395834, 395836, 395856, 395284, 395852, 395564, 370437, G06F 1300

Patent

active

057992037

ABSTRACT:
A system and method for providing information regarding system support capabilities to a processor. A computer system includes a processing unit, a main memory and a first plurality of peripherals coupled to a first bus. A bus bridge couples the first bus to a second bus and a second plurality of support peripherals are coupled to the second bus. The processing unit is capable of providing requests for system support information to the bus bridge and the first and second plurality support peripherals. The peripherals are configured to provide responses to the request. The processing unit stores the responses and uses the information received to enable and disable its functional units or the peripheral's functional units accordingly. In one embodiment, the requests and information are provided along a dedicated serial interface. In another, the requests and information are provided as specialized bus cycles along the CPU bus.

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AMD5.sub.K 86 Processor Technical Reference Manual, 1986 Advanced Micro Devices, Inc., pp. 3-29 through 3-31.

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