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Table 4.3 Write clock frequency and transfer rate of each zone
Zone
0
Cylinder
0
to
660
Transfer rate
16.71
[MB/s]
Zone
8
Cylinder
5217
to
5886
Transfer rate
12.44
[MB/s]
The MPU transfers the data transfer rate setup data (SDATA/SCLK) to the RDC that includes
the time base generator circuit to change the data transfer rate.
4.7
Servo Control
The actuator motor and the spindle motor are submitted to servo control. The actuator motor
is controlled for moving and positioning the head to the track containing the desired data. To
turn the disk at a constant velocity, the actuator motor is controlled according to the servo data
that is written on the data side beforehand.
1
2
3
661
1198
1939
to
to
to
1197
1938
2672
16.35
15.82
15.18
9
10
11
5887
6506
7074
to
to
to
6505
7073
8286
11.85
11.33
10.04
C141-E045-02EN
4
5
6
2673
3333
3959
to
to
to
3332
3958
4747
14.68
14.15
13.44
12
13
8287
8719
to
to
8718
8982
9.74
9.58
7
4748
to
5216
13.06
4 - 15
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