Method and apparatus for managing service indicator lights...

Details Method and apparatus for managing service indicator lights... Method and apparatus for managing service indicator lights...

2006-07-11

2006-07-11

Huynh, Kim (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C710S020000, C710S033000, C710S036000, C710S058000, C709S200000, C711S200000, C714S100000

Reexamination Certificate

active

07076570

ABSTRACT:
A low-level function which enforces logical partitioning establishes a set of virtual indicator lights for certain physical components, the virtual indicator lights being only data in memory, a separate set of virtual indicator lights corresponding to each respective partition. Processes running in a partition can switch and sense the virtual indicator lights corresponding to the partition, but have no direct capability to either switch or to sense the virtual lights of any other partition. The low-level enforcement function alone can switch the state of the physical indicator light, which is generally the logical OR of the virtual indicator lights of the different partitions.

REFERENCES:
patent: 5194854 (1993-03-01), Havel
patent: 6101559 (2000-08-01), Schultz et al.
patent: 6684343 (2004-01-01), Bouchier et al.
patent: 6888800 (2005-05-01), Johnson et al.
patent: 2004/0179505 (2004-09-01), Critz et al.

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