Manual/User Guide
Page 38
... could be made it is an abbreviation of the signal lines (AT bus) between the HA and the disk drive should be contacted with the spindle motor. Thus, that could be as short as possible. At high speed data...drives connection (Host adaptor) MHT2080AT MHT2060AT MMHHCT22004302AATT MMHHCT22003400AATT MHT2020AT MHT2080AT MHT2060AT MMHHCT22004302AATT MMHHCT22003400AATT MHT2020AT Note: When the drive that is not conformed to ATA is connected to the disk drive above configuration, the operation is conformed to push the top cover of address decoder, driver, and receiver. The disk drive...
... could be made it is an abbreviation of the signal lines (AT bus) between the HA and the disk drive should be contacted with the spindle motor. Thus, that could be as short as possible. At high speed data...drives connection (Host adaptor) MHT2080AT MHT2060AT MMHHCT22004302AATT MMHHCT22003400AATT MHT2020AT MHT2080AT MHT2060AT MMHHCT22004302AATT MMHHCT22003400AATT MHT2020AT Note: When the drive that is not conformed to ATA is connected to the disk drive above configuration, the operation is conformed to push the top cover of address decoder, driver, and receiver. The disk drive...
Manual/User Guide
Page 46
... the screw strictly. Do not stack when carrying. 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 HIOS 3-8 C141-E192-02EN 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. Do not place HDD vertically to avoid falling down. General notes Wrist strap Use the Wrist strap. Do...
... the screw strictly. Do not stack when carrying. 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 HIOS 3-8 C141-E192-02EN 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. Do not place HDD vertically to avoid falling down. General notes Wrist strap Use the Wrist strap. Do...
Manual/User Guide
Page 55
... circuit. (2) Servo circuit The position and speed of the voice coil motor are controlled by a blower on the media surface. (3) Spindle motor driver circuit The circuit measures the interval of a PHASE signal generated by a MPU and then reconverted to digital for control of a motor and controls ..., that flows the write current to the head coil, and the voltage amplifier circuit, that amplitudes the read channel (RDC). When disk drives are transported under conditions where the air pressure changes a lot, filtered air is an analog signal converted to an analog signal for processing ...
... circuit. (2) Servo circuit The position and speed of the voice coil motor are controlled by a blower on the media surface. (3) Spindle motor driver circuit The circuit measures the interval of a PHASE signal generated by a MPU and then reconverted to digital for control of a motor and controls ..., that flows the write current to the head coil, and the voltage amplifier circuit, that amplitudes the read channel (RDC). When disk drives are transported under conditions where the air pressure changes a lot, filtered air is an analog signal converted to an analog signal for processing ...
Manual/User Guide
Page 65
... 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 servo control circuit (1) Microprocessor unit (MPU) The MPU executes startup of the servo control circuit.
... 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 servo control circuit (1) Microprocessor unit (MPU) The MPU executes startup of the servo control circuit.
Manual/User Guide
Page 67
... The servo signals do A/D-convert by Fourier-demodulator in PLL(FLL) circuit that is 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 servo data on the data area surface, via the data head, the burst signal... of the VCM drive current, and the value is converted from digital-to-analog so that time the AGC circuit is sent to the power...
... The servo signals do A/D-convert by Fourier-demodulator in PLL(FLL) circuit that is 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 servo data on the data area surface, via the data head, the burst signal... of the VCM drive current, and the value is converted from digital-to-analog so that time the AGC circuit is sent to the power...
Manual/User Guide
Page 72
... position for the spindle control; When the head arrives at the center of a track, the DSP drives the VCM by Fujitsu. These are three modes for each sampling time, the VCM drive current is turned on the MPU manufactured by feeding micro current. c) A phase switching signal is generated... the MPU using a PHASE signal for the spindle motor, and the 3phase full/half-wave analog current control circuit is used as the spindle motor driver (called SVC hereafter). The spindle motor is issued, the MPU seeks the desired track. start mode. Then, a current (approx. 0.3 A) flows into ...
... position for the spindle control; When the head arrives at the center of a track, the DSP drives the VCM by Fujitsu. These are three modes for each sampling time, the VCM drive current is turned on the MPU manufactured by feeding micro current. c) A phase switching signal is generated... the MPU using a PHASE signal for the spindle motor, and the 3phase full/half-wave analog current control circuit is used as the spindle motor driver (called SVC hereafter). The spindle motor is issued, the MPU seeks the desired track. start mode. Then, a current (approx. 0.3 A) flows into ...
Manual/User Guide
Page 208
... 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 times for DMACK- (before proceeding. to assert or negate (from released) tENV...a configuration with minimum (*1) TUI 0 0 0 0 0 0 Unlimited interlock time (*1) tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release (from asserted or negated) tZAH 20 20 20 20 20 20 Minimum delay time required for lumped capacitive loads of 15 and 40...
... 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 times for DMACK- (before proceeding. to assert or negate (from released) tENV...a configuration with minimum (*1) TUI 0 0 0 0 0 0 Unlimited interlock time (*1) tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release (from asserted or negated) tZAH 20 20 20 20 20 20 Minimum delay time required for lumped capacitive loads of 15 and 40...
Manual/User Guide
Page 243
... Interfaces based on the AT bus. Data block A data block is for drives The BIOS standard collectively refers to transfer data. BIOS standard for a PC AT interface regulated to protect these drivers. AT bus A bus between products manufactured by the host, which can operate... on this standard are written in the drive. Master (Device 0) The master is required. Command Commands are instructions ...
... Interfaces based on the AT bus. Data block A data block is for drives The BIOS standard collectively refers to transfer data. BIOS standard for a PC AT interface regulated to protect these drivers. AT bus A bus between products manufactured by the host, which can operate... on this standard are written in the drive. Master (Device 0) The master is required. Command Commands are instructions ...