| 摘要 |
A magnetic disk apparatus includes an input unit that inputs information on the number of sectors, which should be included in each cell, defined as performance adjusting information, a calculating unit that calculates, for each cell, the number of sectors included in the cell on the basis of constitution information of cells, a setting unit that sets, for each cell, sectors as many as a number, which is equivalent to a difference between the calculated number of sectors and the inputted number of sectors, as unused sectors. In the present invention, the magnetic disk apparatus adjusts the number of sectors included in each cell of the own device to the number of sectors defined in the performance adjusting information. Thus, even when a plurality of the magnetic disk apparatuses are manufactured, the numbers of sectors of cells are adjusted to the number of sectors defined in the performance adjusting information to make the numbers of cells identical. Consequently, uniformalization of data access times can be realized.
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