Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2009-03-23
2011-11-22
Nguyen, Than (Department: 2188)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S113000, C711S213000
Reexamination Certificate
active
08065477
ABSTRACT:
Upon receipt of a read command or a write command from an external device, a disk apparatus stores an obtained address as a primary address and a secondary address in an address storing unit, increments a counter value of the secondary address, and selects the secondary address of which the counter value indicates the largest number. Upon receipt of the read command for the primary address, the disk apparatus reads data specified by the primary address from a disk and stores it in a buffer memory in advance. Upon receipt of the read command, the disk apparatus sends the data from the buffer to the external device.
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Greer Burns & Crain Ltd.
Nguyen Than
Toshiba Storage Device Corporation
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