Memory data copying apparatus

Details Memory data copying apparatus Memory data copying apparatus

1996-03-18

1996-12-31

Beausoliel, Jr., Robert W.

G06F 1100

Patent

active

055902790

ABSTRACT:
A memory data copying apparatus which assures the reliability of copying processing and can operate at a high rate is disclosed. When address information and data are to be multiplexed and written into a FIFO memory, identification bits for identification between them are added to them, respectively. When no error is involved in accessing to a main storage apparatus of one of a pair of systems, the address information and the data as well as the identification bits are written into the FIFO memory, but when an error is involved, only the address information and the Identification bit for it are written into the FIFO memory while the data are not written into the FIFO memory. Accordingly, when an error occurs, a wasteful operation of writing wrong data into the FIFO memory is eliminated while address information can be taken out from the FIFO memory.

REFERENCES:
patent: 4354225 (1982-10-01), Frieder et al.
patent: 4400778 (1983-08-01), Vivian et al.
patent: 4491916 (1985-01-01), Vallhonrat
patent: 4516199 (1985-05-01), Frieder et al.
patent: 4527237 (1985-07-01), Frieder et al.
patent: 5113418 (1992-05-01), Szczepanek et al.
patent: 5231640 (1993-07-01), Hanson et al.

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