Fujitsu MHW2040AC User Manual
4.7 Servo Control
4.7.2 Data-surface servo format
Figure 4.7 describes the physical layout of the servo frame. The three areas
indicated by (1) to (3) in Figure 4.7 are described below.
indicated by (1) to (3) in Figure 4.7 are described below.
(1) Inner guard band
This area is located inside the user area, and the rotational speed of the VCM can
be controlled on this cylinder area for head moving.
be controlled on this cylinder area for head moving.
(2) Data area
This area is used as the user data area SA area.
(3) Outer guard band
This area is located at outer position of the user data area, and the rotational speed
of the spindle can be controlled on this cylinder area for head moving.
of the spindle can be controlled on this cylinder area for head moving.
C141-E258
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