Manual/User Guide
Page 38
... reliability. No need to push the top cover of address decoder, driver, and receiver. If the over-power worked, the cover could be contacted with the spindle motor. Device Configuration 2.2.3 2 drives connection (Host adaptor) MHT2080AH MHTC206302AHT MHTC2040AHT MHT2080AH MMHHTC22006302AAHT MMHHTC22004400AAHT Note: When the drive that could be made it is necessary that the capacitance of...
... reliability. No need to push the top cover of address decoder, driver, and receiver. If the over-power worked, the cover could be contacted with the spindle motor. Device Configuration 2.2.3 2 drives connection (Host adaptor) MHT2080AH MHTC206302AHT MHTC2040AHT MHT2080AH MMHHTC22006302AAHT MMHHTC22004400AAHT Note: When the drive that could be made it is necessary that the capacitance of...
Manual/User Guide
Page 46
Figure 3.7 Handling cautions - HDD is occasionally damaged by the impact of the driver. (2) Please observe the tightening torque of a low impact when you use an electric driver. Installation Conditions - Do not stack when carrying. M3 0.49N·m (5 kgf·cm). - Do not hit HDD each ...not drop. General notes Wrist strap Use the Wrist strap. Installation (1) Please use the driver of the screw strictly. Recommended equipments ESD Shock Contents Wrist strap ESD mat Low shock driver Model JX-1200-3056-8 SKY-8A (Color Seiden Mat) SS-6500 Maker SUMITOMO 3M Achilles...
Figure 3.7 Handling cautions - HDD is occasionally damaged by the impact of the driver. (2) Please observe the tightening torque of a low impact when you use an electric driver. Installation Conditions - Do not stack when carrying. M3 0.49N·m (5 kgf·cm). - Do not hit HDD each ...not drop. General notes Wrist strap Use the Wrist strap. Installation (1) Please use the driver of the screw strictly. Recommended equipments ESD Shock Contents Wrist strap ESD mat Low shock driver Model JX-1200-3056-8 SKY-8A (Color Seiden Mat) SS-6500 Maker SUMITOMO 3M Achilles...
Manual/User Guide
Page 55
...the servo information on the rotating disk. 4.3 Circuit Configuration Figure 4.1 shows the power supply configuration of the disk drive, and Figure 4.2 shows the disk drive circuit configuration. (1) Read/write circuit The read demodulation circuit using the servo information recorded on the data surface.... The disk drive cycles air continuously through the circulation filter through an enclosed loop air cycle system operated by a blower on the media surface. (3) Spindle motor driver circuit The circuit measures the interval of a PHASE signal...
...the servo information on the rotating disk. 4.3 Circuit Configuration Figure 4.1 shows the power supply configuration of the disk drive, and Figure 4.2 shows the disk drive circuit configuration. (1) Read/write circuit The read demodulation circuit using the servo information recorded on the data surface.... The disk drive cycles air continuously through the circulation filter through an enclosed loop air cycle system operated by a blower on the media surface. (3) Spindle motor driver circuit The circuit measures the interval of a PHASE signal...
Manual/User Guide
Page 64
... capture MPU MPU core Position Sense SVC (3) DAC (4) Power Amp VCM current (7) CSR VCM CSR: Current Sense Resister VCM: Voice Coil Motor (5) Spindle motor control (6) Driver Spindle motor Figure 4.6 Block diagram of the servo control circuit. To turn the disk at a constant velocity, the actuator motor is controlled for moving and...
... capture MPU MPU core Position Sense SVC (3) DAC (4) Power Amp VCM current (7) CSR VCM CSR: Current Sense Resister VCM: Voice Coil Motor (5) Spindle motor control (6) Driver Spindle motor Figure 4.6 Block diagram of the servo control circuit. To turn the disk at a constant velocity, the actuator motor is controlled for moving and...
Manual/User Guide
Page 66
...inside the user area, and the rotational speed of the VCM can be controlled on a hardware unit controls the sensor-less spindle motor. (6) Driver circuit The driver circuit is a power amplitude circuit that receives signals from the spindle motor control circuit and feeds currents to (3) in Figure 4.7 are described below.... the rotational speed of Device Operation (5) Spindle motor control circuit The spindle motor control circuit controls the sensor-less spindle motor. A spindle driver IC with a built-in PLL(FLL) circuit that is on this cylinder area for head moving. 4-14 C141-E195-02EN
...inside the user area, and the rotational speed of the VCM can be controlled on a hardware unit controls the sensor-less spindle motor. (6) Driver circuit The driver circuit is a power amplitude circuit that receives signals from the spindle motor control circuit and feeds currents to (3) in Figure 4.7 are described below.... the rotational speed of Device Operation (5) Spindle motor control circuit The spindle motor control circuit controls the sensor-less spindle motor. A spindle driver IC with a built-in PLL(FLL) circuit that is on this cylinder area for head moving. 4-14 C141-E195-02EN
Manual/User Guide
Page 70
...till the rotational speed reaches 5,400 rpm. d) During phase switching, the spindle motor starts rotating in the SVC that is used as the spindle motor driver (called SVC hereafter). The firmware...The charged amount defines the current that , repeating this order). The spindle motor is controlled by Fujitsu. b) When the charge pump capacitor is charged enough, the MPU sets the SVC to the motor...motor, and the 3phase full/half-wave analog current control circuit is used for this hard disk drive. The firmware operates on the PHASE signal from the beginning. Then, rotation of this...
...till the rotational speed reaches 5,400 rpm. d) During phase switching, the spindle motor starts rotating in the SVC that is used as the spindle motor driver (called SVC hereafter). The firmware...The charged amount defines the current that , repeating this order). The spindle motor is controlled by Fujitsu. b) When the charge pump capacitor is charged enough, the MPU sets the SVC to the motor...motor, and the 3phase full/half-wave analog current control circuit is used for this hard disk drive. The firmware operates on the PHASE signal from the beginning. Then, rotation of this...
Manual/User Guide
Page 204
...to pause after negating DMARDY-) tIORDYZ 20 20 20 20 20 20 Maximum time before releasing IORDY tZIORDY 0 0 0 0 0 0 Minimum time before driving IORDY (*4) tACK 20 20 20 20 20 20 Setup and hold (tDH, tCH) times in modes greater than 2. *3: Timing for tDVS, tDVH, ... a limited time-out that the host has a pull up on the cable, the measurement of these timings is defined for output tZAD 0 0 0 0 0 0 Drivers to STOP and HDMARDY- Interface Table 5.23 Ultra DMA data burst timing requirements (2 of 2) NAME MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 (in...
...to pause after negating DMARDY-) tIORDYZ 20 20 20 20 20 20 Maximum time before releasing IORDY tZIORDY 0 0 0 0 0 0 Minimum time before driving IORDY (*4) tACK 20 20 20 20 20 20 Setup and hold (tDH, tCH) times in modes greater than 2. *3: Timing for tDVS, tDVH, ... a limited time-out that the host has a pull up on the cable, the measurement of these timings is defined for output tZAD 0 0 0 0 0 0 Drivers to STOP and HDMARDY- Interface Table 5.23 Ultra DMA data burst timing requirements (2 of 2) NAME MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 (in...
Manual/User Guide
Page 237
... board ATA (AT Attachment) standard The ATA standard is required. DE Disk enclosure. The physical specifications of sectors per track in the drive. Command Commands are instructions to input data to transfer data. The DE is the unit used to and output data from dust. AT... bus A bus between products manufactured by the host, which can operate in conformity with the second drive which , for drives The BIOS standard collectively refers to these drivers. Interfaces based on the AT bus. The actuator consists of these parameters. The BIOS of a PC AT ...
... board ATA (AT Attachment) standard The ATA standard is required. DE Disk enclosure. The physical specifications of sectors per track in the drive. Command Commands are instructions to input data to transfer data. The DE is the unit used to and output data from dust. AT... bus A bus between products manufactured by the host, which can operate in conformity with the second drive which , for drives The BIOS standard collectively refers to these drivers. Interfaces based on the AT bus. The actuator consists of these parameters. The BIOS of a PC AT ...