4.7 Servo Control
Servo frame
(120 servo frames per revolution)
IGB | Data area | OGB |
expand
| CYLn + 1 |
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| CYLn |
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| W/R Recovery | W/R Recovery |
| W/R Recovery |
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| Servo Mark |
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| Servo Mark |
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| Servo Mark |
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| Gray Code |
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| Gray Code |
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| Gray Code |
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Erase |
| Servo A |
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| Erase |
| Servo A |
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Servo B |
| Erase |
| Servo B |
| Erase |
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| Servo C |
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| Erase |
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| Servo C |
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| Erase |
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| Servo D |
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| Erase |
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| PAD |
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Diameter direction
Circumference
Direction
Erase: DC erase area
