Theory of Device Operation
4-18
C141-E171-03EN
Figure 4.8 Physical sector servo configuration on disk surface
W/R Recovery
Servo Mark
Gray Code
W/R Recovery
Servo Mark
Gray Code
W/R Recovery
Servo Mark
Gray Code
Erase
Servo A
Erase
Servo A
Servo B
Erase
Servo B
Erase
Servo C
Erase
Servo C
Erase
Servo D
Erase
PAD
CYLn + 1
CYLn
CYLn – 1 (n: even number)
Diameter
direction
Circumference
Direction
Erase: DC erase
area
OGB
Data area
IGB
expand
Servo frame
(140 servo frames per revolution)
Содержание MHS2020AT
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