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Hard Disk Drive Specification Deskstar T7K500 3.5 inch hard disk drive Models: HDT725025VLAT80 HDT725025VLA380 HDT725025VLA360 HDT725030VLAT80 HDT725030VLA380 HDT725030VLA360 HDT725032VLAT80 HDT725032VLA380 HDT725032VLA360 HDT725040VLAT80 HDT725040VLA380 HDT725040VLA360 HDT725050VLAT80 HDT725050VLA380 HDT725050VLA360 Version 1.2 06 December 2006
Hard Disk Drive Specification Deskstar T7K500 3.5 inch hard disk drive Models: HDT725025VLAT80 HDT725025VLA380 HDT725025VLA360 HDT725030VLAT80 HDT725030VLA380 HDT725030VLA360 HDT725032VLAT80 HDT725032VLA380 HDT725032VLA360 HDT725040VLAT80 HDT725040VLA380 HDT725040VLA360 HDT725050VLAT80 HDT725050VLA380 HDT725050VLA360 Version 1.2 06 December 2006
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Hard Disk Drive Specification Deskstar T7K500 3.5 inch hard disk drive Models: HDT725025VLAT80 HDT725025VLA380 HDT725025VLA360 HDT725030VLAT80 HDT725030VLA380 HDT725030VLA360 HDT725032VLAT80 HDT725032VLA380 HDT725032VLA360 HDT725040VLAT80 HDT725040VLA380 HDT725040VLA360 HDT725050VLAT80 HDT725050VLA380 HDT725050VLA360 Version 1.2 06 December 2006
Hard Disk Drive Specification Deskstar T7K500 3.5 inch hard disk drive Models: HDT725025VLAT80 HDT725025VLA380 HDT725025VLA360 HDT725030VLAT80 HDT725030VLA380 HDT725030VLA360 HDT725032VLAT80 HDT725032VLA380 HDT725032VLA360 HDT725040VLAT80 HDT725040VLA380 HDT725040VLA360 HDT725050VLAT80 HDT725050VLA380 HDT725050VLA360 Version 1.2 06 December 2006
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AT Attachment with ATA interface and a rotational speed of the Deskstar T7K500, a 3.5-inch hard disk drive with Packet Interface-7. • Serial ATA II: Extensions to change without notice. 1.2 References • Information Technology - ... Laboratory Cyl cylinder DC Direct Current DFT Drive Fitness Test DMA Direct Memory Access ECC error correction code EEC European Economic Community EMC electromagnetic compatibility ERP Error Recovery Procedure ESD Electrostatic Discharge Deskstar T7K500 Hard Disk Drive Specification 1 1.0 General 1.1 Introduction This document...
AT Attachment with ATA interface and a rotational speed of the Deskstar T7K500, a 3.5-inch hard disk drive with Packet Interface-7. • Serial ATA II: Extensions to change without notice. 1.2 References • Information Technology - ... Laboratory Cyl cylinder DC Direct Current DFT Drive Fitness Test DMA Direct Memory Access ECC error correction code EEC European Economic Community EMC electromagnetic compatibility ERP Error Recovery Procedure ESD Electrostatic Discharge Deskstar T7K500 Hard Disk Drive Specification 1 1.0 General 1.1 Introduction This document...
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... Commission field replacement unit gravity (a unit of force) (32 ft/sec)2 per Hertz 1,000,000,000 bits 1,000,000,000 bytes ground hexadecimal hard disk drive Hertz Input integrated lead suspension Input/Output International Standards Organization 1,000 bytes 1000 bits per inch kilogram (force)-centimeter kilohertz logical block addressing unit of...part number peak-to-peak power spectral density radiated electromagnetic susceptibility radio frequency interference relative humidity root mean square revolutions per minute reset read/write Deskstar T7K500 Hard Disk Drive Specification 2
... Commission field replacement unit gravity (a unit of force) (32 ft/sec)2 per Hertz 1,000,000,000 bits 1,000,000,000 bytes ground hexadecimal hard disk drive Hertz Input integrated lead suspension Input/Output International Standards Organization 1,000 bytes 1000 bits per inch kilogram (force)-centimeter kilohertz logical block addressing unit of...part number peak-to-peak power spectral density radiated electromagnetic susceptibility radio frequency interference relative humidity root mean square revolutions per minute reset read/write Deskstar T7K500 Hard Disk Drive Specification 2
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... V volt VDE Verband Deutscher Electrotechniker W watt 3-state transistor-transistor tristate logic 1.4 Caution • Do not apply force to the drive after its removal from the shipping package and the ESD protective bag are the responsibility of the printed circuit board • This... drive can be damaged by electrostatic discharge (ESD). Any damages incurred to the top cover. • Do not cover the breathing hole on the top cover. • Do not touch the interface connector pins or the surface of the user. Deskstar T7K500 Hard Disk Drive Specification 3
... V volt VDE Verband Deutscher Electrotechniker W watt 3-state transistor-transistor tristate logic 1.4 Caution • Do not apply force to the drive after its removal from the shipping package and the ESD protective bag are the responsibility of the printed circuit board • This... drive can be damaged by electrostatic discharge (ESD). Any damages incurred to the top cover. • Do not cover the breathing hole on the top cover. • Do not touch the interface connector pins or the surface of the user. Deskstar T7K500 Hard Disk Drive Specification 3
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Addendum." 2.0 General features of the drive • Formatted capacities of 250 GB to 500 GB • Spindle speeds of 7200 RPM • ...Sector Buffer size of 8192 K (Upper 292 KB is used for firmware) • Ring buffer implementation • Write Cache • Native command queuing support (SATA model) • Advanced ECC On The Fly (EOF) • Automatic Error Recovery procedures for read and write commands ...Streaming feature set support • World Wide Name Note: For serial ATA model, please refer "Serial ATA Specification - Deskstar T7K500 Hard Disk Drive specification 5
Addendum." 2.0 General features of the drive • Formatted capacities of 250 GB to 500 GB • Spindle speeds of 7200 RPM • ...Sector Buffer size of 8192 K (Upper 292 KB is used for firmware) • Ring buffer implementation • Write Cache • Native command queuing support (SATA model) • Advanced ECC On The Fly (EOF) • Automatic Error Recovery procedures for read and write commands ...Streaming feature set support • World Wide Name Note: For serial ATA model, please refer "Serial ATA Specification - Deskstar T7K500 Hard Disk Drive specification 5
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...to allow vertical or horizontal mounting without adjustment. The actuator is electronically controlled by an in the actuator. When the drive is powered off, the actuator automatically moves the head to provide closed -loop positioning servo controls the movement of ...Performs self-checkout (diagnostics). 3.2 Head disk assembly The head disk assembly (HDA) is accomplished via a breather filter. Deskstar T7K500 Hard Disk Drive Specification 9 The control electronics performs the following major functions: • Controls and interprets all interface signals between the host controller and...
...to allow vertical or horizontal mounting without adjustment. The actuator is electronically controlled by an in the actuator. When the drive is powered off, the actuator automatically moves the head to provide closed -loop positioning servo controls the movement of ...Performs self-checkout (diagnostics). 3.2 Head disk assembly The head disk assembly (HDA) is accomplished via a breather filter. Deskstar T7K500 Hard Disk Drive Specification 9 The control electronics performs the following major functions: • Controls and interprets all interface signals between the host controller and...
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Logical layout: Logical layout is an imaginary drive parameter (that is, the number of heads) which is used to Physical layout (that is, the actual Head and Sectors ) translation is capacity clip model ... obtained by issuing an IDENTIFY DEVICE command. 3.The 300 GB model is done automatically in the drive. The logical layout to access the drive from the system interface. Notes: 1. Deskstar T7K500 Hard Disk Drive Specification 12 Number of cylinders: For drives with capacities greater than 8.45 GB the Identify Device information word 01 limits the number of...
Logical layout: Logical layout is an imaginary drive parameter (that is, the number of heads) which is used to Physical layout (that is, the actual Head and Sectors ) translation is capacity clip model ... obtained by issuing an IDENTIFY DEVICE command. 3.The 300 GB model is done automatically in the drive. The logical layout to access the drive from the system interface. Notes: 1. Deskstar T7K500 Hard Disk Drive Specification 12 Number of cylinders: For drives with capacities greater than 8.45 GB the Identify Device information word 01 limits the number of...
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... GB 824 762 125 95 300/320 GB 400 GB 957 848 133 (PATA) / 300 (SATA) 8192 / 16384 7200 up to 128 up to 63 837 768 135 125 113 96 30 ...Hitachi GST Manufacturing Site Sriracha Plant Thailand China Plant, China Product Deskstar T7K500 OUI 000CCAh SHBU Block Assignment 210h 211h 212h 213h 310h 311h 312h 313h Port/Node ID 11b 4.4 Drive organization 4.4.1 Drive format Upon shipment from manufacturing the drive...in order to provide the maximum performance to users. Deskstar T7K500 Hard Disk Drive Specification 13 max (Kbpi) Track density [KTPI] Areal density -
... GB 824 762 125 95 300/320 GB 400 GB 957 848 133 (PATA) / 300 (SATA) 8192 / 16384 7200 up to 128 up to 63 837 768 135 125 113 96 30 ...Hitachi GST Manufacturing Site Sriracha Plant Thailand China Plant, China Product Deskstar T7K500 OUI 000CCAh SHBU Block Assignment 210h 211h 212h 213h 310h 311h 312h 313h Port/Node ID 11b 4.4 Drive organization 4.4.1 Drive format Upon shipment from manufacturing the drive...in order to provide the maximum performance to users. Deskstar T7K500 Hard Disk Drive Specification 13 max (Kbpi) Track density [KTPI] Areal density -
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4.4.2 Cylinder allocation Physical cylinder is calculated from a defect location. Spare cylinder The spare cylinder is not relevant to logical CHS. Data cylinder This cylinder contains the user data which can be sent and retrieved via read/write commands and a spare area for reassigned data. Depending on the capacity some of 0. Deskstar T7K500 Hard Disk Drive Specification 14 It is used by Hitachi Global Storage Technologies manufacturing and includes data sent from the starting data track of the inner zone cylinders are not allocated.
4.4.2 Cylinder allocation Physical cylinder is calculated from a defect location. Spare cylinder The spare cylinder is not relevant to logical CHS. Data cylinder This cylinder contains the user data which can be sent and retrieved via read/write commands and a spare area for reassigned data. Depending on the capacity some of 0. Deskstar T7K500 Hard Disk Drive Specification 14 It is used by Hitachi Global Storage Technologies manufacturing and includes data sent from the starting data track of the inner zone cylinders are not allocated.
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... Seek mode) Write (Quiet Seek mode) 8.5 9.5 9.5 10.5 14.0 14.7 15.0 15.7 Deskstar T7K500 Hard Disk Drive Specification 15 4.5 Performance characteristics Drive performance is in the buffer excluding Physical seek time and Latency. Latency • Data transfer speed • Buffering operation (Look ahead/Write cache) All the above parameters contribute to Seek Start) 0.5 0.1 0.015 0.5 Time (typical) for...
... Seek mode) Write (Quiet Seek mode) 8.5 9.5 9.5 10.5 14.0 14.7 15.0 15.7 Deskstar T7K500 Hard Disk Drive Specification 15 4.5 Performance characteristics Drive performance is in the buffer excluding Physical seek time and Latency. Latency • Data transfer speed • Buffering operation (Look ahead/Write cache) All the above parameters contribute to Seek Start) 0.5 0.1 0.015 0.5 Time (typical) for...
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... measured on any one (1) single track seek from the start of the actuator's motion to the start of a reli- A reliable read or write operation. Deskstar T7K500 Hard Disk Drive Specification 16 The terms "Typical" and "Max" are used to correct arrival problems. The average seek time is measured as the weighted average of all... Function Typical (ms) Read 0.8 Write 1.3 Read (Quiet Seek mode) 0.8 Write (Quiet Seek mode) 1.3 Max (ms) 1.5 2.0 1.5 2.0 Single track seek is measured as the average of one drive over the full range of the environmental and voltage conditions.
... measured on any one (1) single track seek from the start of the actuator's motion to the start of a reli- A reliable read or write operation. Deskstar T7K500 Hard Disk Drive Specification 16 The terms "Typical" and "Max" are used to correct arrival problems. The average seek time is measured as the weighted average of all... Function Typical (ms) Read 0.8 Write 1.3 Read (Quiet Seek mode) 0.8 Write (Quiet Seek mode) 1.3 Max (ms) 1.5 2.0 1.5 2.0 Single track seek is measured as the average of one drive over the full range of the environmental and voltage conditions.
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... self diagnostics. Spindle motor and servo system are working normally. Note: Upon power down . Only soft reset or hard reset can be received immediately. Actuator is unloaded and spindle motor is stopped. Deskstar T7K500 Hard Disk Drive Specification 17 Note: Max Power On to ready time is able to perform a media access command (for example...
... self diagnostics. Spindle motor and servo system are working normally. Note: Upon power down . Only soft reset or hard reset can be received immediately. Actuator is unloaded and spindle motor is stopped. Deskstar T7K500 Hard Disk Drive Specification 17 Note: Max Power On to ready time is able to perform a media access command (for example...
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Deskstar T7K500 Hard Disk Drive Specification 18 4.5.4.2 Mode transition time Table 11: Mode transition times From Standby Idle Standby Sleep Unload idle Idle Low RPM Idle To Idle Standby Sleep ...
Deskstar T7K500 Hard Disk Drive Specification 18 4.5.4.2 Mode transition time Table 11: Mode transition times From Standby Idle Standby Sleep Unload idle Idle Low RPM Idle To Idle Standby Sleep ...
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.... Table 12: PATA Plist physical format N N +1 defect N +2 defect N +3 s k ip s k ip Defects are remapped to the physical locations is wasted as track or cylinder boundary. Deskstar T7K500 Hard Disk Drive Specification 19 5.0 Defect flagging strategy Media defects are skipped without any constraint, such as a spare throughout user data areas. • All pushes generated by defects...
.... Table 12: PATA Plist physical format N N +1 defect N +2 defect N +3 s k ip s k ip Defects are remapped to the physical locations is wasted as track or cylinder boundary. Deskstar T7K500 Hard Disk Drive Specification 19 5.0 Defect flagging strategy Media defects are skipped without any constraint, such as a spare throughout user data areas. • All pushes generated by defects...