Information processing system

Details Information processing system Information processing system

1978-03-14

1980-07-08

Zache, Raulfe B.

Boots, shoes, and leggings

371 18, G06F 1100

Patent

active

042120594

ABSTRACT:
An information processing system includes an information processing unit and an operation console. The information processing unit includes a CPU having a fault diagnostic unit which is coupled with the diagnostic interface port of the operation console, through a diagnostic interface. The operation console is provided with a microprocessor having a first operation mode carrying out at least a normal operation processing function and a second mode executing both a maintenance command processing function and a normal operation processing function, and with a memory for storing a maintenance command processing routine for executing the maintenance command processing function. When an operator issues an instruction for shifting the first operation mode to the second operation mode control is transferred to the operation console so that the microprocessor executes the maintenance command processing function and the normal operation processing function.

REFERENCES:
patent: 3964088 (1976-06-01), Ducrocq et al.
patent: 4066883 (1978-01-01), Wheeler, Jr.
patent: 4149244 (1979-04-01), Anderson et al.
"Amdahl Corporation 470V/6 Computer System", Auerbach Computer Technology Reports, Sep. 1975, pp. 42-47.
Kanada et al., Fujitsu, vol. 27, No. 4, Jun. 10, 1976.
M6800 Microprocessor Application Manual, 1975, pp. 5-113.

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