Name: Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive
Brand: Hitachi
Rating: 5 (1 reviews)

Default Chapter5

Table of Contents5

General15

General Features of the Drive19

Fixed-Disk Subsystem Description23

6.0. Electrical Interface Specification36

5.0. Defect Flagging Strategy36

Interface Logic Signal Levels (Pata Model)41
Tx+ / Tx41
Signal Definition (Sata Model)41
Rx+ / Rx42
Out of Band Signaling (SATA Model)42
Reset Timings43
- Table 15: System Reset Timing Chart43
- Table 16: System Reset Timing43
- PIO Timings44
- Read DRQ Interval Time44
- Table 17: PIO Cycle Timings Chart44
- Write DRQ Interval Time44
Multi-Word DMA Timings45
- Table 18: Multiword DMA Cycle Timing Chart45
- Table 19: Multiword DMA Cycle Timings45
- Initiating Read DMA46
- Table 20: Ultra DMA Cycle Timings (Initiating Read)46
- Ultra DMA Timings46
- Host Pausing Read DMA47
- Table 21: Ultra DMA Cycle Timing Chart (Host Pausing Read)47
- Table 22: Ultra DMA Cycle Timings (Host Pausing Read)47
- Host Terminating Read DMA48
- Table 23: Ultra DMA Cycle Timing Chart (Host Pausing Read)48
- Table 24: Ultra DMA Cycle Timings (Host Pausing Read)48
- Device Terminating Read DMA49
- Table 25: Ultra DMA Cycle Timing Chart (Host Pausing Read)49
- Table 26: Ultra DMA Cycle Timings (Device Terminating Read)49
- Initiating Write DMA50
- Table 27: Ultra DMA Cycle Timing Chart (Initiating Write)50
- Device Pausing Write DMA51
- Table 28: Ultra DMA Cycle Timing Chart (Device Pausing Write)51
- Table 29: Ultra DMA Cycle Timings (Device Pausing Write)51
- Device Terminating Write DMA52
- Table 30: Ultra DMA Cycle Timing Chart (Device Terminating Write)52
- Table 31: Ultra DMA Cycle Timings (Device Terminatingwrite)52
- Host Terminating Write DMA53
- Table 32: Ultra DMA Cycle Timing Chart (Host Terminating Write)53
- Table 33: Ultra DMA Cycle Timings (Host Terminating Write)53
- Addressing of Registers54
- Cabling54
- Table 34: I/O Address Map54
- Jumper Pin Assignment57
- Jumper Pin Identification57
- Jumper Pin Location57
- Jumper Settings57
- Specification57
- Jumper Positions59
- Table 35: Jumper Positions for Capacity Clip to 32GB61
- Table 36: Jumper Settings for Disabling Auto Spin61
- Environment63
- Table 37: Temperature and Humidity63
- Corrosion Test64
- DC Power Requirements64
- Table 38: Limits of Temperature and Humidity64
- Table 39: Input Voltage65
- Power Supply Current (Typical)66
- Table 40: Power Supply Current of 80GB and 40GB Models66
- Table 41: Power Supply Generated Ripple at Drive Power Connector67
- Cable Noise Interference69
- Data Integrity69
- Data Reliability69
- Preventitive Maintenance69
- Reliability69
- Required Power-Off Sequence69
- Start/Stop Cycles69
- Mechanical Specifications70
- Physical Dimensions and Weight70
- Mounting Hole Locations72
- Connector Locations73
- Drive Mounting74
- Heads Unload and Actuator Lock74
- Table 42: Random Vibration PSD75
Vibration and Shock75
Operating Vibration75
Nonoperating Vibration75
Table 43: Random Vibration PSD Profile Break Points (Operating)75
Table 44: Random Vibration PSD Profile Breakpoints (Nonoperating)75
Random Vibration75
Operating Shock76
Nonoperating Shock76
Nonoperating Rotational Shock76
Table 45: Sinusoidal Shock Wave76
Table 46: Rotational Shock76
Acoustics77
Identification Labels77
- Table 47: Sound Power Levels77
- Environment78
- Flammability78
- German Safety Mark78
- Safe Handling78
- Safety78
- Secondary Circuit Protection78
- UL and CSA Approval78
- BSMI Mark79
- C-TICK Mark79
- CE Mark79
- Electromagnetic Compatibility79
- MIC Mark79
- Packaging79
- Substance Restriction Requirements79
- General81
- Introduction81
Terminology81
Deviations from Standard81
Registers83
Table 48: Register Set83
Table 49: Alternate Status Register84
Command Register84
Cylinder High Register84
Cylinder Low Register84
Data Register85
Table 50: Device Control Register85
Table 51: Drive Address Register86
Table 52: Device Head/Register86
Table 53: Error Register87
Features Register87
Sector Count Register87
Sector Number Register88
Table 54: Status Register88
Table 55: Reset Response Table91

General Operation91

Reset Response91
- Register Initialization92
- Table 56: Default Register Values92

11.0. Command Protocol137

12.0. Command Descriptions151

Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive User Manual

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Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive Specifications

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Brand	Hitachi
Model	HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive
Category	Storage
Language	English