Computer system operation and control

Details Computer system operation and control Computer system operation and control

1974-12-18

1977-06-14

Springborn, Harvey E.

Communications: electrical

Digital comparator systems

G06F 1104

Patent

active

040300722

ABSTRACT:
A data processing system includes a control processor in communication with the various devices comprising the data processing system. Communication between the control processor and the data processing system devices occurs on a separate maintenance and diagnostic bus. The control processor initiates diagnostics stored within several of the data processing system devices. The self-diagnosing devices provide an indication to the control processor of successful completion of the diagnostic stored therein. The device being diagnosed and the control processor operate asynchronously of each other and utilize a register bit to indicate successful completion of the diagnostic test.

REFERENCES:
patent: 3421150 (1969-01-01), Quosig et al.
patent: 3623011 (1969-06-01), Brynard, Jr. et al.
patent: 3643227 (1972-02-01), Smith et al.
patent: 3648252 (1972-03-01), Thron et al.
patent: 3763474 (1973-10-01), Freman et al.
patent: 3771131 (1973-11-01), Ling
patent: 3806878 (1974-04-01), Edstrom
patent: 3825901 (1974-06-01), Golnek, Sr.

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