Fujitsu MHT2040AT 用户手册
4.7 Servo Control
C141-E192-01EN
4-17
Figure 4.7 Physical sector servo configuration on disk surface
W/R Recovery
Servo Mark
Gray Code
Servo Mark
Gray Code
W/R Recovery
Servo Mark
Gray Code
Servo Mark
Gray Code
W/R Recovery
Servo Mark
Gray Code
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
(150 servo frames per revolution)
(150 servo frames per revolution)