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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 ... Standards Association C-UL Canadian-Underwriters 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
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 ... Standards Association C-UL Canadian-Underwriters 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
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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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...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 sec second SELV secondary low voltage S.M.A.R.TSelf-Monitoring, Analysis, and Reporting Technology TPI tracks per inch Trk track TTL ...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...
...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 sec second SELV secondary low voltage S.M.A.R.TSelf-Monitoring, Analysis, and Reporting Technology TPI tracks per inch Trk track TTL ...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...
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Deskstar T7K500 Hard Disk Drive Specification 4
Deskstar T7K500 Hard Disk Drive Specification 4
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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 • Fluid Dynamic Bearing motor • Enhanced IDE interface •...without Command Overhead • 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 • Self Diagnostics on ...
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 • Fluid Dynamic Bearing motor • Enhanced IDE interface •...without Command Overhead • 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 • Self Diagnostics on ...
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Deskstar T7K500 Hard Disk Drive Specification 6
Deskstar T7K500 Hard Disk Drive Specification 6
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Deskstar T7K500 Hard Disk Drive Specification 8
Deskstar T7K500 Hard Disk Drive Specification 8
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...Deskstar T7K500 Hard Disk Drive Specification 9 3.0 Fixed-disk subsystem description 3.1 Control electronics The drive is assembled in a clean room environment and contains the disks and actuator assembly. The control electronics performs the following major functions: • Controls and interprets all interface signals between the host controller and the drive...stop the spindle. 3.3 Actuator The read/write heads are mounted in -hub, brushless, sensorless DC drive motor. When the drive is a swing-arm assembly driven by a microprocessor, several logic modules, digital/analog modules, and...
...Deskstar T7K500 Hard Disk Drive Specification 9 3.0 Fixed-disk subsystem description 3.1 Control electronics The drive is assembled in a clean room environment and contains the disks and actuator assembly. The control electronics performs the following major functions: • Controls and interprets all interface signals between the host controller and the drive...stop the spindle. 3.3 Actuator The read/write heads are mounted in -hub, brushless, sensorless DC drive motor. When the drive is a swing-arm assembly driven by a microprocessor, several logic modules, digital/analog modules, and...
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Deskstar T7K500 Hard Disk Drive Specification 10
Deskstar T7K500 Hard Disk Drive Specification 10
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...issuing an IDENTIFY DEVICE command. 3.The 300 GB model is used to access the drive from the system interface. The logical layout to 16, 383 per the ATA specification. 2. Deskstar T7K500 Hard Disk Drive Specification 12 Notes: 1. Number of cylinders: For drives with capacities greater than 8.45 GB the Identify Device information word 01 limits the... layout (that is, the number of heads) which is capacity clip model of the 320 GB model. Logical layout: Logical layout is an imaginary drive parameter (that is, the actual Head and Sectors ) translation is done automatically in the...
...issuing an IDENTIFY DEVICE command. 3.The 300 GB model is used to access the drive from the system interface. The logical layout to 16, 383 per the ATA specification. 2. Deskstar T7K500 Hard Disk Drive Specification 12 Notes: 1. Number of cylinders: For drives with capacities greater than 8.45 GB the Identify Device information word 01 limits the... layout (that is, the number of heads) which is capacity clip model of the 320 GB model. Logical layout: Logical layout is an imaginary drive parameter (that is, the actual Head and Sectors ) translation is done automatically in the...
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... (Kbpi) Track density [KTPI] Areal density - Deskstar T7K500 Hard Disk Drive Specification 13 4.2 Data sheet Table 2: Mechanical positioning performance... 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...
... (Kbpi) Track density [KTPI] Areal density - Deskstar T7K500 Hard Disk Drive Specification 13 4.2 Data sheet Table 2: Mechanical positioning performance... 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...
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It is not relevant to logical CHS. Spare cylinder The spare cylinder 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. Depending on the capacity some of 0. 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. Deskstar T7K500 Hard Disk Drive Specification 14 4.4.2 Cylinder allocation Physical cylinder is calculated from a defect location.
It is not relevant to logical CHS. Spare cylinder The spare cylinder 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. Depending on the capacity some of 0. 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. Deskstar T7K500 Hard Disk Drive Specification 14 4.4.2 Cylinder allocation Physical cylinder is calculated from a defect location.
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... performance Command type Typical (ms) Max (ms) Read Write Read (Quiet 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 Seek time - Latency • Data transfer speed • Buffering operation (Look ahead/Write cache) All the above parameters contribute to the performance of the actual system.
... performance Command type Typical (ms) Max (ms) Read Write Read (Quiet 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 Seek time - Latency • Data transfer speed • Buffering operation (Look ahead/Write cache) All the above parameters contribute to the performance of the actual system.
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...and "Max" are used to correct arrival problems. The average seek time is measured as the average of a reli- Deskstar T7K500 Hard Disk Drive Specification 16 A reliable read or write operation. able read or write implies that error correction or recovery is not used ...+ Tnout) n=1 Weighted Average (max + 1)(max) where max n Tnin Tnout = Maximum seek length = Seek length (1 to the start of one drive over the full range of the environmental and voltage conditions. The seek time is measured from both directions (inward and outward). Max Maximum value measured...
...and "Max" are used to correct arrival problems. The average seek time is measured as the average of a reli- Deskstar T7K500 Hard Disk Drive Specification 16 A reliable read or write operation. able read or write implies that error correction or recovery is not used ...+ Tnout) n=1 Weighted Average (max + 1)(max) where max n Tnin Tnout = Maximum seek length = Seek length (1 to the start of one drive over the full range of the environmental and voltage conditions. The seek time is measured from both directions (inward and outward). Max Maximum value measured...
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... latency Table 8: Latency Time Rotational speed (RPM) 7200 RPM Time for one revolution (ms) 8.3 Average latency (ms) 4.17 4.5.3 Drive ready time Table 9: Drive ready time Power on to ready 250-320 GB models 400/500 GB models Typical (sec) 10 14 Maximum (sec) 20 20 Ready...power down or spindle stop a head locking mechanism will secure the heads in which the drive is able to perform a media access command (for the internal self diagnostics. Deskstar T7K500 Hard Disk Drive Specification 17 This includes the time required for example- Spindle motor and servo system are working...
... latency Table 8: Latency Time Rotational speed (RPM) 7200 RPM Time for one revolution (ms) 8.3 Average latency (ms) 4.17 4.5.3 Drive ready time Table 9: Drive ready time Power on to ready 250-320 GB models 400/500 GB models Typical (sec) 10 14 Maximum (sec) 20 20 Ready...power down or spindle stop a head locking mechanism will secure the heads in which the drive is able to perform a media access command (for the internal self diagnostics. Deskstar T7K500 Hard Disk Drive Specification 17 This includes the time required for example- Spindle motor and servo system are working...
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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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Deskstar T7K500 Hard Disk Drive Specification 19 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 ...
Deskstar T7K500 Hard Disk Drive Specification 19 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 ...
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Deskstar T7K500 Hard Disk Drive Specification 20
Deskstar T7K500 Hard Disk Drive Specification 20
