Figure 4.8 Physical Sector Servo Configuration On Disk Surface - Fujitsu MHS2030AT - 2.5" Notebook 30GB Drive Product Manual

Theory of Device Operation
CYLn + 1
W/R Recovery
Servo Mark
Gray Code
Erase Servo A
Servo B Erase
Servo C
Erase

Figure 4.8 Physical sector servo configuration on disk surface

4-18
IGB
Data area
expand
CYLn CYLn – 1 (n: even number)
W/R Recovery W/R Recovery
Servo Mark Servo Mark
Gray Code Gray Code
Erase
Servo B
Erase Servo C
Servo D Erase
PAD
Servo frame
(140 servo frames per revolution)
OGB
Servo A
Circumference
Erase
Direction
Erase: DC erase
Diameter
direction
area
C141-E171-03EN