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C141-E090-01EN4 - 14
c. Seek to specified cylinder
Drives the VCM to position the head to the specified cylinder.
d. Calibration
Senses and stores the thermal offset between heads and the mechanical forces on the
actuator, and stores the calibration value.
Figure 4.5 Physical sector servo configuration on disk surface
Servo frame
(72 servo frames per revolution)