FUJITSU MHZ2250BJ - Manual (Page 71)

4.7 Servo Control
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
PAD
Diameter
direction
Servo frame
(162 servo frames per revolution)
Figure 4.6 Physical sector servo configuration on disk surface
C141-E280 4-15