4.7 Servo Control
C141-E057-01EN
4-15
The major internal operations are listed below.
a.
Spindle motor start
Starts the spindle motor and accelerates it to normal speed when power is
applied.
b.
Move head to reference cylinder
Drives the VCM to position the head at the any cylinder in the data area. The
logical initial cylinder is at the outermost circumference (cylinder 0).
c.
Seek to specified cylinder
Drives the VCM to position the head to the specified cylinder.
d.
Calibration
Senses and stores the thermal offset between heads and the mechanical forces
on the actuator, and stores the calibration value.
Summary of Contents for MHE2043AT
Page 1: ...C141 E057 02EN MHE2064AT MHE2043AT MHF2043AT MHF2021AT DISK DRIVE PRODUCT MANUAL ...
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Page 42: ...3 1 Dimensions C141 E057 01EN 3 3 Figure 3 1 Dimensions MHF series 2 2 ...
Page 52: ...3 4 Jumper Settings C141 E057 01EN 3 13 Figure 3 14 Example 2 of Cable Select ...
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Page 58: ...4 3 Circuit Configuration C141 E057 01EN 4 5 Figure 4 2 Circuit Configuration 16 bit ...
Page 64: ...4 6 Read write Circuit C141 E057 01EN 4 11 Figure 4 4 Read write circuit block diagram ...
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Page 171: ...Interface 5 96 C141 E057 01EN Figure 5 10 Data transfer timing ...
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