System having independent access paths for permitting independent access from the host and storage device to respective cache memories
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United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Dec 3, 1992
filing date -
Dec 6, 1991
priority date (Note) -
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Abstract
A plurality of independent cache units and nonvolatile memory units are provided in a disk controller located between a host (central processing unit) and a magnetic disk drive. A plurality of channel units for controlling the data transfer to and from the central processing unit and a plurality of control units for controlling the data transfer to and from the magnetic disk drive are independently connected to the cache units and the nonvolatile memory units through data buses and access lines.
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