Power on

Start

a)

b)

c)

d)

e)

f)

Self-diagnosis 1

MPU bus test

Inner register write/read test

Work RAM write/read test

The spindle motor starts.

Self-diagnosis 2

Data buffer write/read test

Confirming spindle motor speed

Release heads from actuator lock

Initial on-track and read out of system information

Execute self-calibration

Drive ready state (command waiting state)

End

Figure 4.3 Power-on operation sequence

4 - 6

C141-E056-01EN

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Image 47
Fujitsu MPC3045AH, MPC3065AH manual Power-on operation sequence