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FUJITSU MHW2120BS User Manual

Page 70

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Theory of Device Operation

Circumference

Direction

Erase: DC erase

area

CYLn + 1

CYLn

CYLn – 1 (n: even number)

W/R

Recovery

Servo Mark
Gray Code

W/R Recovery
Servo Mark
Gray Code

W/R Recovery
Servo Mark
Gray Code

EVEN1

ODD

EVEN2

Post code (MHW2120BS only)

PAD

Diameter

direction

Figure 4.7 Physical sector servo configuration on disk surface

4-16

C141-E249

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