Storage control system in a computer system for double-writing
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United States of America Patent
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Dec 29, 1992
Issued Date -
N/A
app pub date -
Sep 16, 1991
filing date -
Dec 24, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a computer system having at least a main storage unit and a memory control unit, a storage control system accesses two memory areas provided in the main storage unit, each of the two memory areas storing the same information. A double-writing device is provided in the memory control unit for writing the same information to each of the two memory areas by determining the state of a double-writing bit (D-bit) contained in an address order from a processor or the state of a storage configuration bit (F/S-bit) sent from the processor.
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