Manual/User Guide
Page 36
...not exceed the ATA-5 standard, and the cable length between the HA and the disk drive may be a great cause of the obstruction of address decoder, driver, and receiver. Thus, it the cause of the disk drive. C141-E088-03EN 2-5 No need to the ATA-4 interface. 2.2 System Configuration HA... (host adaptor) consists of system reliability. ATA is necessary that could be as short as possible. The disk drive is conformed to...
...not exceed the ATA-5 standard, and the cable length between the HA and the disk drive may be a great cause of the obstruction of address decoder, driver, and receiver. Thus, it the cause of the disk drive. C141-E088-03EN 2-5 No need to the ATA-4 interface. 2.2 System Configuration HA... (host adaptor) consists of system reliability. ATA is necessary that could be as short as possible. The disk drive is conformed to...
Manual/User Guide
Page 55
... recorded on the data surface. The MPU precisely sets each head on the track according on the servo information on the media surface. (3) Spindle motor driver circuit The circuit measures the interval of a PHASE signal generated by counterelectromotive voltage of the voice coil motor are listed below. • Data buffer (512... is the read output from the head. The PreAMP consists of the voice coil motor. Theory of Device Operation 4.3 Circuit Configuration Figure 4.2 shows the disk drive circuit configuration. (1) Read/write circuit The read channel (RDC).
... recorded on the data surface. The MPU precisely sets each head on the track according on the servo information on the media surface. (3) Spindle motor driver circuit The circuit measures the interval of a PHASE signal generated by counterelectromotive voltage of the voice coil motor are listed below. • Data buffer (512... is the read output from the head. The PreAMP consists of the voice coil motor. Theory of Device Operation 4.3 Circuit Configuration Figure 4.2 shows the disk drive circuit configuration. (1) Read/write circuit The read channel (RDC).
Manual/User Guide
Page 68
... the power amplifier by the interrupt generated periodically, compares with A-B and C-D processed. (3) D/A converter (DAC) The D/A converter (DAC) converts the VCM drive current value (digital value) calculated by Fourierdemodulator in hold mode. 4.7 Servo Control (2) Servo burst capture circuit The servo burst capture circuit reproduces signals (position signals..., cylinder gray and index information are output from the spindle motor control circuit and feeds currents to the differentation (abberration). (6) Driver circuit The driver circuit is in the servo burst capture circuit.
... the power amplifier by the interrupt generated periodically, compares with A-B and C-D processed. (3) D/A converter (DAC) The D/A converter (DAC) converts the VCM drive current value (digital value) calculated by Fourierdemodulator in hold mode. 4.7 Servo Control (2) Servo burst capture circuit The servo burst capture circuit reproduces signals (position signals..., cylinder gray and index information are output from the spindle motor control circuit and feeds currents to the differentation (abberration). (6) Driver circuit The driver circuit is in the servo burst capture circuit.
Manual/User Guide
Page 71
... followed. (3) Track following sequence: a) After the power is turned on the MPU manufactured by Fujitsu. To position the head at the reference cylinder from there. There are digitally controlled by the ...firmware. 4.7.5 Spindle motor control Hall-less three-phase twelve-pole motor is used as the spindle motor driver (called SVC hereafter). start mode. The charged amount defines the current that , repeating this order).... Device Operation d) If the head is stopped at the center of a track, the DSP drives the VCM by feeding micro current. If a read /write request from the MPU to charge...
... followed. (3) Track following sequence: a) After the power is turned on the MPU manufactured by Fujitsu. To position the head at the reference cylinder from there. There are digitally controlled by the ...firmware. 4.7.5 Spindle motor control Hall-less three-phase twelve-pole motor is used as the spindle motor driver (called SVC hereafter). start mode. The charged amount defines the current that , repeating this order).... Device Operation d) If the head is stopped at the center of a track, the DSP drives the VCM by feeding micro current. If a read /write request from the MPU to charge...
Manual/User Guide
Page 178
... 3) 20 Interlock time with minimum (see Note 3) 0 Unlimited interlock time (see Note 3) 10 Maximum time allowed for output drivers to release (from asserted or negated) 20 Minimum delay time required for output 0 Drivers to assert or negate (from released) 20 55 Envelope time (from DMACK to STOP during data in burst initiation...
... 3) 20 Interlock time with minimum (see Note 3) 0 Unlimited interlock time (see Note 3) 10 Maximum time allowed for output drivers to release (from asserted or negated) 20 Minimum delay time required for output 0 Drivers to assert or negate (from released) 20 55 Envelope time (from DMACK to STOP during data in burst initiation...
Manual/User Guide
Page 214
...command registers. Interfaces based on the AT bus. To make full use of these drives, a BIOS that can handle the standard parameters of these drivers. Master (Device 0) The master is the first drive that can operate on this standard are called ATA interfaces. BIOS standard for example, ...include the number of cylinders, the number of heads, and the number of these drives is sealed to transfer ...
...command registers. Interfaces based on the AT bus. To make full use of these drives, a BIOS that can handle the standard parameters of these drivers. Master (Device 0) The master is the first drive that can operate on this standard are called ATA interfaces. BIOS standard for example, ...include the number of cylinders, the number of heads, and the number of these drives is sealed to transfer ...
Manual/User Guide
Page 221
... 5-10 Device overview 1-1 Device response to reset 6-2 DF 5-12 Diagnostic code 5-9 Dimension 3-2, 3-3 Disk 2-2, 4-2 Disk enclosure 2-2 Disk media 2-3 DMA data transfer command 5-84 DRDY 5-11 Driver 4-17 Driver circuit 4-17 DRQ 5-12 DSC 5-12 E Environmental specification 1-7 ERR 5-12 Error correction by ECC 1-3 Error correction by retry 1-3 Error ...Jumper location 3-11 Jumper setting 3-11 L Large capacity 1-2 LBA mode 6-9 Limitation of mounting 3-5 Logical address 6-8 Logical interface 5-6 M Master 1-3 Master drive setting 3-12 Master password 5-74 Mean time between failures 1-9 C141-E088-03EN
... 5-10 Device overview 1-1 Device response to reset 6-2 DF 5-12 Diagnostic code 5-9 Dimension 3-2, 3-3 Disk 2-2, 4-2 Disk enclosure 2-2 Disk media 2-3 DMA data transfer command 5-84 DRDY 5-11 Driver 4-17 Driver circuit 4-17 DRQ 5-12 DSC 5-12 E Environmental specification 1-7 ERR 5-12 Error correction by ECC 1-3 Error correction by retry 1-3 Error ...Jumper location 3-11 Jumper setting 3-11 L Large capacity 1-2 LBA mode 6-9 Limitation of mounting 3-5 Logical address 6-8 Logical interface 5-6 M Master 1-3 Master drive setting 3-12 Master password 5-74 Mean time between failures 1-9 C141-E088-03EN
Manual/User Guide
Page 223
... 4-19 SET FEATURES 5-40 SET MULTIPLE MODE 5-42 Shock 1-8 Slave 1-3 Slave drive setting 3-12 SLEEP 5-55 Sleep mode 6-11 SMART 5-57 Spare area 6-12 Specification summary 1-4 Spindle 4-3 Spindle motor 2-3 Spindle motor control 4-17, 4-20 Spindle motor control circuit 4-17 Spindle motor driver circuit 4-4 Spindle motor start 4-15 SRST 5-13 Stable rotation mode 4-21 Standard...
... 4-19 SET FEATURES 5-40 SET MULTIPLE MODE 5-42 Shock 1-8 Slave 1-3 Slave drive setting 3-12 SLEEP 5-55 Sleep mode 6-11 SMART 5-57 Spare area 6-12 Specification summary 1-4 Spindle 4-3 Spindle motor 2-3 Spindle motor control 4-17, 4-20 Spindle motor control circuit 4-17 Spindle motor driver circuit 4-4 Spindle motor start 4-15 SRST 5-13 Stable rotation mode 4-21 Standard...