Information processing system having a data protection unit

Details Information processing system having a data protection unit Information processing system having a data protection unit

1992-01-28

1994-07-26

Beausoliel, Jr., Robert W.

Excavating

371163, 3642468, 364DIG1, G06F 1100

Patent

active

053333063

ABSTRACT:
In an information processing system comprising a central processing unit connected to a bus for carrying out data processing in accordance with a program and a main memory unit connected to the bus for memorizing data, a data protection unit is connected to the bus. The data protection unit protects the data in the main memory unit from destruction by supplying the main memory unit with a write inhibit signal when the program runs away.

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patent: 5199032 (1993-03-01), Sparks et al.
patent: 5249298 (1993-09-01), Bolan et al.

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