| 摘要 |
When multiple pieces of content data are being recorded continuously to a nonvolatile storage device having page cache function, a preparation time before starting next content data recording is reduced. When a cache releasing section of a nonvolatile storage device (1) receives cache releasing from an access device (2), it releases addresses included in one logical block among multiple addresses which are cache objects at the same time. Further, the nonvolatile storage device (1) includes a cache information outputting section which outputs information regarding a time period required for releasing addresses which are cache objects outside, and the access device (2) refers to the information to select the address to be an object of releasing.
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