4.7 Servo Control
Servo frame
(162 servo frames per revolution)
| CYLn + 1 | CYLn | CYLn – 1 (n: even number) | Diameter | ||
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| direction |
| W/R Recovery | W/R Recovery | W/R Recovery |
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| Servo Mark | Servo Mark | Servo Mark |
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| Gray Code | Gray Code | Gray Code |
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EVEN1
ODD | Circumference | |
Direction | ||
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EVEN2 |
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Post code |
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| Erase:DC erase | |
PAD | ||
area | ||
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Figure 4.6 Physical sector servo configuration on disk surface