4.7 Servo Control
C141-E171-03EN
4-17
4.7.2 Data-surface servo format
Figure 4.8 describes the physical layout of the servo frame. The three areas
indicated by (1) to (3) in Figure 4.8 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.
(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.
Summary of Contents for MHS2020AT
Page 1: ...C141 E171 03EN MHS2060AT MHS2040AT MHS2030AT MHS2020AT DISK DRIVES PRODUCT MANUAL ...
Page 4: ...This page is intentionally left blank ...
Page 8: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 12: ...This page is intentionally left blank ...
Page 34: ...This page is intentionally left blank ...
Page 40: ...This page is intentionally left blank ...
Page 60: ...Theory of Device Operation 4 6 C141 E171 03EN Figure 4 3 Circuit Configuration ...
Page 190: ...Interface 5 114 C141 E171 03EN g d f f d e Figure 5 7 Normal DMA data transfer ...
Page 240: ...This page is intentionally left blank ...
Page 244: ...This page is intentionally left blank ...
Page 246: ...This page is intentionally left blank ...
Page 250: ...This page is intentionally left blank ...
Page 252: ...This page is intentionally left blank ...
Page 253: ......
Page 254: ......