Host device, storage device, and method for accessing storage device

Host device, storage device, and method for accessing storage device

A host device transmits a command from a command transmission unit (101a) along a predetermined command sequence. A storage device (2) receives the command in a command reception unit (202a). An access judgment unit (202c) judges the sequence of the command transmitted from the host device (1) and d...

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Bibliographische Detailangaben
1. Verfasser: TOYAMA MASAYUKI,MAEDA TAKUJI,IZUMI TOMOAKI,TSUJITA SHOUICHI,NAKANISHI MASAHIRO,INOUE MANABU
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:A host device transmits a command from a command transmission unit (101a) along a predetermined command sequence. A storage device (2) receives the command in a command reception unit (202a). An access judgment unit (202c) judges the sequence of the command transmitted from the host device (1) and decides that reception of the access to the host device (1) is enabled only when the sequence coincides with a predetermined sequence. Thus, with a simple control, it is possible to prevent data destruction by a host device of an old version.