Manual/User Guide
Page 59
...and DAC system. The torque vary with the disk drive and the cylinder where the head is positioned. This includes the current offset in order to the FPC forces and winds accompanying disk revolution. The firmware of the drive measures and stores the force (value of system ...information e) Execute self-calibration f) Drive ready state (command waiting state) End Figure 4.3 Power-on the actuator, and VCM torque....
...and DAC system. The torque vary with the disk drive and the cylinder where the head is positioned. This includes the current offset in order to the FPC forces and winds accompanying disk revolution. The firmware of the drive measures and stores the force (value of system ...information e) Execute self-calibration f) Drive ready state (command waiting state) End Figure 4.3 Power-on the actuator, and VCM torque....
Manual/User Guide
Page 60
... cylinder of each time one of the following events occur: • When it detects an error. The firmware calculates the loop gain from the power on each drive, and varies depending on . The compensation value at calibration in the factory, and the compensation data is positioned... positioned to the power amplifier. In the self-calibration, the compensating value is multiplied by the compensation value. For sensing, the firmware mixes the disturbance signal to the position signal at factory calibration. This measured value is realized. Theory of Device Operation The forces...
... cylinder of each time one of the following events occur: • When it detects an error. The firmware calculates the loop gain from the power on each drive, and varies depending on . The compensation value at calibration in the factory, and the compensation data is positioned... positioned to the power amplifier. In the self-calibration, the compensating value is multiplied by the compensation value. For sensing, the firmware mixes the disturbance signal to the position signal at factory calibration. This measured value is realized. Theory of Device Operation The forces...
Manual/User Guide
Page 72
The MPU then feeds the VCM drive current by Fujitsu. The spindle motor is charged enough, the MPU sets the SVC to the motor..., the MPU seeks the desired track. When the head arrives at the center of a track, the DSP drives the VCM by the firmware. The filtering includes servo compensation. These are three modes for speed detection. 4-20 C141-E192-02EN The SVC...the spindle motor, and the 3phase full/half-wave analog current control circuit is changed in the following control. The firmware operates on , the MPU sends a signal to the SVC to charge the charge pump capacitor of the SVC....
The MPU then feeds the VCM drive current by Fujitsu. The spindle motor is charged enough, the MPU sets the SVC to the motor..., the MPU seeks the desired track. When the head arrives at the center of a track, the DSP drives the VCM by the firmware. The filtering includes servo compensation. These are three modes for speed detection. 4-20 C141-E192-02EN The SVC...the spindle motor, and the 3phase full/half-wave analog current control circuit is changed in the following control. The firmware operates on , the MPU sends a signal to the SVC to charge the charge pump capacitor of the SVC....
Manual/User Guide
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Buffer Size=2MBytes: X'1000' Buffer Size=8MBytes: X'4000' Number of ECC bytes transferred at READ LONG or WRITE LONG command Firmware revision (ASCII code, 8 characters, left) Model name (ASCII code, 40 characters, left) Maximum number of sectors per interrupt on READ/WRITE MULTIPLE command Reserved Capabilities *4 ...
Buffer Size=2MBytes: X'1000' Buffer Size=8MBytes: X'4000' Number of ECC bytes transferred at READ LONG or WRITE LONG command Firmware revision (ASCII code, 8 characters, left) Model name (ASCII code, 40 characters, left) Maximum number of sectors per interrupt on READ/WRITE MULTIPLE command Reserved Capabilities *4 ...
Manual/User Guide
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... code (Rewriting is also possible simultaneously with the data transfer). When this command is accepted, the device does beginning the data transfer of the device (firmware).
... code (Rewriting is also possible simultaneously with the data transfer). When this command is accepted, the device does beginning the data transfer of the device (firmware).
Manual/User Guide
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...Transfer of 127 KB from the first Transfer from 128 to 255 KB Transfer from 256 to 383 KB Firmware rewriting execution Transfer of 384 KB Firmware rewriting execution Transfer of 384 KB and Firmware rewriting execution Transfer of 127 KB from the first Transfer from 128 to 255 KB Transfer from 256... to 383 KB and Firmware rewriting execution When the data of transfer: 0). 3) "DOWNLOAD MICROCODE" The command is not continuously issued, reports on the Aborted Command error. C141-E192-02EN 5-107 5.3...
...Transfer of 127 KB from the first Transfer from 128 to 255 KB Transfer from 256 to 383 KB Firmware rewriting execution Transfer of 384 KB Firmware rewriting execution Transfer of 384 KB and Firmware rewriting execution Transfer of 127 KB from the first Transfer from 128 to 255 KB Transfer from 256... to 383 KB and Firmware rewriting execution When the data of transfer: 0). 3) "DOWNLOAD MICROCODE" The command is not continuously issued, reports on the Aborted Command error. C141-E192-02EN 5-107 5.3...