| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic disk device capable of controlling whether to output data read in an off-track state to a higher order host. SOLUTION: The magnetic disk device is provided with a disk medium 74 for reading/writing data on the basis of a plurality of pieces of servo information being positional information of a plurality of tracks, a plurality of sectors, and data, and a magnetic disk control circuit 10 for determining whether a sector between first servo information and second servo information is an on-track sector on the basis of the second servo information which is information after the first servo information among the plurality of pieces of servo information on the disk medium 74, and controlling whether to output data stored in the sector between the first servo information and the second servo information to the higher order host on the basis of the determination result. COPYRIGHT: (C)2009,JPO&INPIT
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