| 摘要 |
PROBLEM TO BE SOLVED: To provide an information recording/reproducing device preventing an unfair use. SOLUTION: A nonvolatile RAM 200 storing a presently set operation mode of whether information recording or reproducing is prohibited, or whether information recording or reproducing is allowed is provided. At this time, when the information is recorded or reproduced on an optical card, the present operation mode stored in the nonvolatile RAM 200 is referred to, and when the recording or reproducing is prohibited, the optical card is not accessed.
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