Power on | Start |
a)
b)
c)
d)
e)
f)
•MPU bus test
•Inner register write/read test
•Work RAM write/read test
The spindle motor starts.
•Data buffer write/read test
Confirming spindle motor speed
Release heads from actuator lock
Initial
Execute
Drive ready state (command waiting state)
End
Figure 4.3 Power-on operation sequence
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