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.

Servo frame

(96 servo frames per revolution)

Figure 4.6 Physical sector servo configuration on disk surface

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Image 61
Fujitsu MPD3XXXAT manual Physical sector servo configuration on disk surface