Adjustment method and apparatus of a computer

Details Adjustment method and apparatus of a computer Adjustment method and apparatus of a computer

1988-05-11

1991-02-19

Smith, Jerry

Excavating

371 23, G06F 1122

Patent

active

049950371

ABSTRACT:
A method and apparatus for providing data for adjusting an electronic computer having a main storage unit, in a system including a service processor connected to the electronic computer to maintain the same, and an external storage unit for storing data of internal registers of the electronic computer, which are read out by the service processor. An adjusting program is executed by the electronic computer until a logical failure is detected in the electronic computer to be adjusted. Once the logical failure is detected, execution is stopped at an instruction an arbitrary number of instruction before the instruction on which the failure was detected. Thereafter, the electronic computer is caused to re-execute the adjusting program. Data of internal registers and the main storage unit of the electronic computer is stored in the eternal storage unit through the service processor when the electronic computer stops execution of the adjusting program. A previously adjusted electronic computer is loaded with the data of the external storage unit and is caused to execute a simulation of the electronic computer using a similation model of the electronic computer to determine the state of the internal registers of the electronic computer in the model.

REFERENCES:
Tendolkar, N. et al.,"Automated Diagnostic Methodology for the IBM 3081 Processor Complex", IBM J. Res. Develop., vol. 26, No. 1, Jan. 1982, pp. 78-88.
Monachino, M., "Design Verification System for Large-Scale LSI Deigns", IBM J. Res. Develop., vol. 26, No. 1, Jan. 1982, pp. 89-99.
Vogelsberg, R., "Computer Technique for Logout Analysis", IBM Technical Disclosure Bulletin, vol. 14, No. 8, Jan., 1972, pp. 2432-2432.

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