Data processing system with self testing and configuration mappi

Details Data processing system with self testing and configuration mappi Data processing system with self testing and configuration mappi

1979-12-28

1982-06-08

Atkinson, Charles E.

Excavating

324 73R, 364200, 371 21, G06F 1100

Patent

active

043343074

ABSTRACT:
A data processing system employing firmware for executing a self test routine each time the system goes through the power-up cycle. The self test firmware provides for compilation of a system configuration map during each execution so that configuration and status data is made available for accessing by the system operation firmware and application software. This enables external systems to set appropriate interrupt vectors and levels and to arrange their physical I/O and device handlers so that various devices within the local system can be accessed. The routines performed in the self test operation include a CPU test, a RAM test, a real time clock test, a communication controller loop-back test, a ROM signature calculation, a controller I/O test, a system configuration map compilation, and a status display routine.

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Gordon and Nadig, Hexadecimal signatures identify troublespots in microprocessor systems, Electronics, Mar. 3, 1977, pp. 89-96.
R. C. Goldblatt, How Computers Can Test Their Own Memories, Computer Design, vol. 15, No. 7, Jul. 1976, pp. 69-73.
H. J. Nadig, Signature Analysis-Concepts, Examples, and Guidelines, Hewlett Packard Journal, May 1977, pp. 15-21.

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