External storage device capable of selectively storing data...

Details External storage device capable of selectively storing data... External storage device capable of selectively storing data...

2006-03-07

2006-03-07

Kim, Hong (Department: 2185)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S014000, C714S015000, C714S024000, C710S068000, C713S320000, C711S170000

Reexamination Certificate

active

07010719

ABSTRACT:
An external storage device110includes a semiconductor memory200, a hard disk210having an access speed lower than that of the semiconductor memory200, a judgment part275for determining whether or not data can be stored in the semiconductor memory200, and an access processing part277for compressing and storing data into the semiconductor memory200after it is determined that the data can be stored in the semiconductor memory200, and for storing the write data into the hard disk210when it is determined that the data cannot be stored in the semiconductor memory200. The storage capacity of the external storage device110is larger than the storage capacity of the semiconductor memory200.

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