Fujitsu MPB3054AT, MPB3032AT, MPB3052AT, MPB3021AT, MPB3043AT manual 3 Power-on operation sequence

Models: MPB3043AT MPB3021AT MPB3052AT MPB3032AT MPB3054AT

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Figure 4.3 Power-on operation sequence

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

C141-E045-02EN

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Fujitsu MPB3054AT, MPB3032AT, MPB3052AT, MPB3021AT, MPB3043AT manual 3 Power-on operation sequence