ID configuration method for advanced programmable interrupt...

Details ID configuration method for advanced programmable interrupt... ID configuration method for advanced programmable interrupt...

2008-04-22

2008-04-22

Knoll, Clifford (Department: 2111)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral configuration

C710S104000, C710S010000, C713S002000

Reexamination Certificate

active

11335586

ABSTRACT:
An advanced programmable interrupt controller (APIC) identification (ID) configuration method is applied to a multiprocessor computer system. The method assigns a postponed ID to each CPU's APIC IDs respectively during the initialization. Plural reserved IDs are assigned to the I/O APICs. A multiprocessor configuration table in a basic input output system (BIOS) will be updated with renewed ID configuration, to avoid an ID conflict when processing the interrupt request from the peripheral devices and raise the stability of the multiprocessor computer system.

REFERENCES:
patent: 5495569 (1996-02-01), Kotzur
patent: 6167512 (2000-12-01), Tran
patent: 7010678 (2006-03-01), O'Shea et al.

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