Theory of Device Operation
4-16 C141-E224
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 (MHV2120BH only)
PAD
Diameter
direction
Figure 4.7 Physical sector servo configuration on disk surface