Storage device and storage system having a hard disk drive and flash memory
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United States of America Patent
Stats
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Oct 16, 2012
Grant Date -
May 22, 2008
app pub date -
Jul 5, 2004
filing date -
Jul 7, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A storage device includes a drive selection section (1), a hard disk drive (HDD) (2), and a non-volatile memory drive (3). When an instruction such as a data I/O instruction is issued from a host such as a CPU (5) and an ATA controller (6) to the hard disk drive (HDD) (2), the drive selection section (1) receives the address value. If the address value is included in the address space predefined, the non-volatile memory drive (3) is made to execute the instruction. Otherwise, the hard disk drive (HDD) (2) is made to execute the instruction.
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