FUJITSU MHW2120BS - Manual (Page 70)

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