| 摘要 |
A hard disk drive which has a plurality of calibration parameters stored on the disk of the drive. Calibration values for null current, jam, head width, and bandwidth are stored on the disk surface (114) and accessed during spin-up. The values are precalculated in the factory while testing the disk (100, 102, 104, 106, 108) and then computing a calibration value (112).
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