Detachable processor module containing external microcode expans

Details Detachable processor module containing external microcode expans Detachable processor module containing external microcode expans

1997-05-27

2000-11-28

Kim, Kenneth S.

Electrical computers and digital processing systems: processing

Processing control

Processing sequence control

712 37, 712 38, 713 2, 361736, G06F 9445

Patent

active

061548340

ABSTRACT:
An electronic system and a processing unit supporting a flexible microcode space and Basic Input/Output System (BIOS) space. The electronic system features a first circuit board having a connector interconnected to a processing unit. The processing unit includes a second circuit board having an embedded controller and an on-substrate memory. The non-substrate memory is coupled to the embedded controller via a communication line routed through or placed on the second circuit board. In one embodiment, during a boot procedure and upon executing an instruction requesting data to be obtained from the on-substrate memory, the embedded controller obtains at least one microcode instruction from the on-substrate memory via the communication line.

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