Fujitsu MPG3XXXAH Product Manual page 64

0.16 s
0.72 s
ASM
R/W Recovery Field
6.63 s
Servo
Frame
(1) Write/read recovery
This area is used to absorb the write/read transient and to stabilize the AGC.
(2) Servo mark (ASM, SSM)
This area generates a timing for demodulating the gray code and position-demodulating Pos A to
D by detecting the servo mark.
0.17 s
0.74 s
1.81 s 0.53 s
Pos
SCD
PA
A
SSM
DATA
86.81 s
Figure 4.6 96 servo frames in each track
C141-E112-01EN
0.56 s 0.56 s
0.56 s
Pos Pos
Pos
B D
C
Servo
DATA
Frame
0.80 s
PAD
4 - 17