Hitachi T7K250 Specifications

Hitachi T7K250 - Deskstar - Hard Drive Manual

Get Hitachi T7K250 - Deskstar - Hard Drive PDF manuals and user guides
UPC - 000062373678
View all Hitachi T7K250 manuals
Add to My Manuals
Save this manual to your list of manuals

Hitachi T7K250 manual content summary:

  • Hitachi T7K250 | Specifications - Page 1
    Hard Disk Drive Specification Deskstar T7K250 3.5 inch Ultra ATA/133 hard disk drive 3.5 inch Serial ATA hard disk drive Models: HDT722516DLAT80 HDT722516DLA380 HDT722525DLAT80 HDT722525DLA380 HDT722520DLAT80 HDT722520DLA380 Version 1.8 12 September 2006
  • Hitachi T7K250 | Specifications - Page 2
  • Hitachi T7K250 | Specifications - Page 3
    Hard Disk Drive Specification Deskstar T7K250 3.5 inch Ultra ATA/133 hard disk drive 3.5 inch Serial ATA hard disk drive Models: HDT722516DLAT80 HDT722516DLA380 HDT722525DLAT80 HDT722525DLA380 HDT722520DLAT80 HDT722520DLA380 Version 1.8 12 September 2006
  • Hitachi T7K250 | Specifications - Page 4
    Some states do not allow disclaimer or express or implied warranties in certain transactions, therefore, this statement may not apply may contain reference to, or information about, Hitachi products (machines and programs), programming, or services that are not announced in your country. Such
  • Hitachi T7K250 | Specifications - Page 5
    15 4.5.1 Command overhead 15 4.5.2 Mechanical positioning 15 4.5.3 Drive ready time 17 4.5.4 Data transfer speed 18 4.5.5 Throughput 19 4.5.6 Operating modes 20 5.0 Defect flagging strategy 21 6.0 Electrical interface specification 23 6.1 Connector location 23 6.1.1 DC power connector 24
  • Hitachi T7K250 | Specifications - Page 6
    43 6.11.1 Cabling 43 7.0 Specification ...47 7.1 Jumper settings 47 7.1.1 Jumper pin location 47 7.1.2 Jumper pin identification 47 7.1.3 Jumper pin assignment 48 7.1.4 Jumper positions 49 7.2 Environment 53 7.2.1 Temperature and humidity 53 7.2.2 Corrosion test 54 7.3 DC power requirements
  • Hitachi T7K250 | Specifications - Page 7
    Register 72 9.3 Command Register 72 9.4 Cylinder High Register 72 9.5 Cylinder Low Register 72 9.6 Data Register 73 9.7 Device Control Register 73 9.8 Drive Address Register 74 9.9 Device/Head Register 74 9.10 Error Register 75 9.11 Features Register 75 9.12 Sector Count Register 75 9.13
  • Hitachi T7K250 | Specifications - Page 8
    thresholds 86 10.7.4 Threshold exceeded condition 86 10.7.5 S.M.A.R.T. commands 86 10.7.6 Off-line read scanning 86 10.7.7 Error log 87 10.7.8 Self-test 87 10.8 Security Mode Feature Set 88 10.8.1 Security mode 88 10.8.2 Security level 88 10.8.3 Passwords 89 10.8.4 Operation example 89 10
  • Hitachi T7K250 | Specifications - Page 9
    Directory 149 12.18.2 Extended Comprehensive SMART Error Log 150 12.18.3 Extended Self-test log sector 152 12.19 Read Long (22h/23h 154 12.20 Read Multiple 12.21 Read Multiple Ext (29h 158 12.22 Read Native Max ADDRESS (F8h 160 12.23 Read Native Max Address Ext (27h 161 12.24 Read Sectors (20h
  • Hitachi T7K250 | Specifications - Page 10
    12.37 Seek (7xh 185 12.38 Service (A2h 186 12.39 Set Features (EFh 187 12.39.1 Set 206 12.43.4 S.M.A.R.T. Log Directory 208 12.43.5 S.M.A.R.T. summary error log sector 208 12.43.6 Self-test log data structure 210 12.43.7 Error reporting 211 12.44 Standby (E2h/96h 212 12.45 Standby Immediate
  • Hitachi T7K250 | Specifications - Page 11
    map 43 Table 35.Temperature and humidity 53 Table 36.Input voltage 54 Table 37.Power supply current of xxx-GB models 55 Table 38.Power supply generated ripple at drive power connector 56 Table 39.Random vibration PSD profile break points (operating 62 Table 40.Random Vibration PSD profile
  • Hitachi T7K250 | Specifications - Page 12
    Table 44.Sound power levels 65 Table 45.Register Set 71 Table 46.Alternate Status Register 72 Table 47.Device Control Register 73 Table 48.Drive Address Register 74 Table 49.Device Head/Register 74 Table 50.Error Register 75 Table 51.Status Register 76 Table 52.Reset response table 79
  • Hitachi T7K250 | Specifications - Page 13
    .Read DMA Ext Command (25h 158 Table 98.Read Native Max ADDRESS (F8h 160 Table 99.Read Native Max Address Ext command (27h 161 Table 100.Read Sectors Unlock command (F2h 184 Table 114.Seek command (7xh 185 Table 115.Service command (A2h 186 Table 116.Set Features command (EFh 187 Table 117.
  • Hitachi T7K250 | Specifications - Page 14
    Table 134.Error data structure 209 Table 135.Self-test log data structure 210 Table 136.S.M.A.R.T. Error Codes 211 Table 137.Standby (E2h/96h 212 Table 138.Standby Immediate (E0h/94h 213 Table 139.Write
  • Hitachi T7K250 | Specifications - Page 15
    the specifications of the Deskstar T7K250, a 3.5-inch hard disk drive with ATA interface and a rotational speed of 7200 RPM. HDT722516DLAT80 HDT722520DLAT80 HDT722525DLAT80 HDT722516DLA380 HDT722520DLA380 HDT722525DLA380 160.0 GB 200 GB 250.0 GB 160.0 GB (3Gbps*) 200 GB (3Gbps*) 250.0 GB (3Gbps
  • Hitachi T7K250 | Specifications - Page 16
    FCC FRU G G2/Hz Gb GB GND h HDD Hz I ILS I/O ISO KB Kbpi kgf-cm KHz LBA Lw m max MB Mbps MHz MLC mm ms us density radiated electromagnetic susceptibility radio frequency interference relative humidity root mean square revolutions per minute reset Deskstar T7K250 Hard Disk Drive Specification 2
  • Hitachi T7K250 | Specifications - Page 17
    pins or the surface of the printed circuit board • This drive can be damaged by electrostatic discharge (ESD). Any damages incurred to the drive after its removal from the shipping package and the ESD protective bag are the responsibility of the user. Deskstar T7K250 Hard Disk Drive Specification 3
  • Hitachi T7K250 | Specifications - Page 18
    Deskstar T7K250 Hard Disk Drive Specification 4
  • Hitachi T7K250 | Specifications - Page 19
    RPM idle mode (APM) • S.M.A.R.T. (Self Monitoring and Analysis Reporting Technology) • Support security feature • Quiet Seek mode (AAM) • 48-bit addressing feature • ATA-7 compliant • UDMA 133 support • Streaming feature set support • World Wide Name Deskstar T7K250 Hard Disk Drive specification 5
  • Hitachi T7K250 | Specifications - Page 20
    Deskstar T7K250 Hard Disk Drive Specification 6
  • Hitachi T7K250 | Specifications - Page 21
    Part 1. Functional specification Deskstar T7K250 Hard Disk Drive specification 7
  • Hitachi T7K250 | Specifications - Page 22
    Deskstar T7K250 Hard Disk Drive Specification 8
  • Hitachi T7K250 | Specifications - Page 23
    track for a seek operation. • Controls the voice coil motor driver to align the actuator in a desired position. • Constantly monitors drive is powered off, the actuator automatically moves the head to the actuator ramp outside of the disk where it parks. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 24
    Deskstar T7K250 Hard Disk Drive Specification 10
  • Hitachi T7K250 | Specifications - Page 25
    (Gbits/in2 ) Number of data bands up to 128 up to 63 767.7 120 92.1 30 200 GB Model 807.8 133 8192 7200 up to 128 up to 63 718.8 110 79.1 30 160 GB Model 807.8 133 8192 7200 up to 128 up to 63 712.4 114 81.21 30 Deskstar T7K250 Hard Disk Drive Specification 11
  • Hitachi T7K250 | Specifications - Page 26
    Site Product OUI SHBU Block Assignment -Thailand -China Port/Node ID 200 GB, 250 GB 160 GB Hitachi GST Sriracha Plant Thailand\ Hitachi Global Storage Products (Shenzen)Co.Ltd., China Deskstar T7K250 000CCAh 20Bh 307h 205h 306h 11b Deskstar T7K250 Hard Disk Drive Specification 12
  • Hitachi T7K250 | Specifications - Page 27
    flagging strategy described in Section 5.0, "Defect flagging strategy" on page 21 in order to provide the maximum performance to users. 4.4.2 Cylinder allocation Table 2: Cylinder allocation Deskstar T7K250 Hard Disk Drive Specification 13
  • Hitachi T7K250 | Specifications - Page 28
    data which can be sent and retrieved via read/write commands and a spare area for reassigned data. Spare cylinder The spare cylinder is used by Hitachi Global Storage Technologies manufacturing and includes data sent from a defect location. Deskstar T7K250 Hard Disk Drive Specification 14
  • Hitachi T7K250 | Specifications - Page 29
    contribute to the performance of the actual system. This specification tries to define the bare drive characteristics, not system throughput, which depends on the system Seek mode) Write (Quiet Seek mode) 8.2 9.2 9.2 10.2 19.5 20.5 20.5 21.5 Deskstar T7K250 Hard Disk Drive Specification 15
  • Hitachi T7K250 | Specifications - Page 30
    drive population tested at nominal environmental and voltage conditions. Max Maximum value measured on any one drive that error correction or recovery is not used to correct arrival problems. The average seek time is measured as the weighted average Deskstar T7K250 Hard Disk Drive Specification 16
  • Hitachi T7K250 | Specifications - Page 31
    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 GB models Typical (sec) 8 Maximum (sec) 20 Ready Power on The period that Device 0 waits for Device 1 to assert PDIAG. Deskstar T7K250 Hard Disk Drive Specification 17
  • Hitachi T7K250 | Specifications - Page 32
    rate on the AT Bus. It also depends on the speed of the host. The method of measurement is given in 4.5.5, "Throughput" on page 19. Deskstar T7K250 Hard Disk Drive Specification 18
  • Hitachi T7K250 | Specifications - Page 33
    (A + B + C+ 512/D + 512/E) (READ) where T = Calculated time (sec) A = Command process time (Command overhead) (sec) B = Average seek time (sec) C = Latency D = Average sustained disk-buffer transfer rate (byte/s) Deskstar T7K250 Hard Disk Drive Specification 19
  • Hitachi T7K250 | Specifications - Page 34
    Commands can be received immediately. TActuator is unloaded and spindle motor is stopped. Only soft reset or hard reset can change the mode to standby. Note: Upon power down or spindle stop a head the seconds passed until the spindle motor stops. Deskstar T7K250 Hard Disk Drive Specification 20
  • Hitachi T7K250 | Specifications - Page 35
    of the inner zone. Table 15: Plist physical format N N +1 defect N +2 defect N +3 s k ip s k ip Defects are skipped without any constraint, such as track or cylinder boundary. Deskstar T7K250 Hard Disk Drive Specification 21
  • Hitachi T7K250 | Specifications - Page 36
    Deskstar T7K250 Hard Disk Drive Specification 22
  • Hitachi T7K250 | Specifications - Page 37
    6.0 Electrical interface specification 6.1 Connector location Refer to the following illustration to see the location of the connectors Deskstar T7K250 Hard Disk Drive Specification 23
  • Hitachi T7K250 | Specifications - Page 38
    shown in the figure below. 43 21 Pin Voltage 1 +12 V 2 GND 3 GND 4 +5V 6.1.2 AT signal connector The AT signal connector is a 40-pin connector. The SATA signal connector is a 8-pin connector. The SATA power connector is a 15-pin connector. Deskstar T7K250 Hard Disk Drive Specification 24
  • Hitachi T7K250 | Specifications - Page 39
    transfer mode was previously chosen via Set Features. The drive becomes aware of this change upon assertion of the DMACK- line. These lines revert back to their original definitions upon the deassertion of DMACK- at the termination of the DMA burst. Deskstar T7K250 Hard Disk Drive Specification 25
  • Hitachi T7K250 | Specifications - Page 40
    the state of the IRQ bit. The interrupt is set when the IRQ bit is set by the drive CPU. The IRQ is reset to zero by a host read of the status register or a write to the Command Register. This signal is a 3-state line with 24mA of sink capability. Deskstar T7K250 Hard Disk Drive Specification 26
  • Hitachi T7K250 | Specifications - Page 41
    DASPThis is a time-multiplexed signal which indicates that a drive is active or that device 1 is present. This signal is driven by an Open-Drain driver and internally pulled up to 5 volts through a 10 kW resistor is needed to pull this line to 5 volts. Deskstar T7K250 Hard Disk Drive Specification 27
  • Hitachi T7K250 | Specifications - Page 42
    DMA data in transfer. Device termination The termination resistors on the device side are implemented on the drive side as follows: • 33 Ω for DD0 through DD15, DMARQ, INTRQ • 82 Ω for CS0-, CS1-, DA0, DA1, DA2, DIOR-, DIOW-, DMACK• 22 Ω for IORDY Deskstar T7K250 Hard Disk Drive Specification 28
  • Hitachi T7K250 | Specifications - Page 43
    controlled by firmware. P12 Gnd 1st mate P13 V12 12V power,pre-chage,2nd mate P14 V12 12V power P15 V12 12V power Signal Gnd RX+ RXGnd TXTX+ Gnd I/O Input Input Output Output 3.3V 3.3V 3.3V Gnd Gnd Gnd 5V 5V 5V Gnd Reserve Gnd V12 V12 V12 Deskstar T7K250 Hard Disk Drive Specification 29
  • Hitachi T7K250 | Specifications - Page 44
    . Serial ATA: High Speed Serialized AT Attachment Revision 1.0a 7-January-2003. 6.6 Out of band signaling (SATA model) PARAMETER DESCRIPTION t1 ALINE primitives t2 Spacing t3 ALIGN primitives t4 Psacing Nominal (ns) 106.7 320 106.7 106.7 Deskstar T7K250 Hard Disk Drive Specification 30
  • Hitachi T7K250 | Specifications - Page 45
    6.7 Reset timings Table 18: System reset timing chart Table 19: System reset timing PARAMETER DESCRIPTION t10 RESET low width t14 RESET high to not BUSY Min (µs) 25 - Max (µs) 31 Deskstar T7K250 Hard Disk Drive Specification 31
  • Hitachi T7K250 | Specifications - Page 46
    write sectors and write multiple operations 3.8 ms is inserted from the end of negation of the DRQ bit until setting of the next DRQ bit. Deskstar T7K250 Hard Disk Drive Specification 32
  • Hitachi T7K250 | Specifications - Page 47
    4.2 µs • In the event that a host reads the status register after or both before and after the sector or block transfer, the DRQ interval is 11.5 µs Deskstar T7K250 Hard Disk Drive Specification 33
  • Hitachi T7K250 | Specifications - Page 48
    (1:0) valid to DIOR-/DIOWtN CS (1:0) tZ DMACK- to read data released MIN (ns) 120 70 - 5 20 10 0 5 25 - 25 10 - MAX (ns) - - 50 35 25 Deskstar T7K250 Hard Disk Drive Specification 34
  • Hitachi T7K250 | Specifications - Page 49
    cycle time 230 - tAZ Maximum time allowed for output drivers to release - 10 tZAD Drivers to assert 0- tDS Data setup time at host 15 10 0- 5- 5- 6.7 - MODE 5 MIN MAX 0 - 20 - 20 50 0 - - 90 17 - 38 - 10 0- 4.8 - 4.8 - 25 - Deskstar T7K250 Hard Disk Drive Specification 35
  • Hitachi T7K250 | Specifications - Page 50
    MAX - 50 - 75 MODE 1 MIN MAX - 30 - 70 MODE 2 MIN MAX - 20 - 60 MODE 3 MIN MAX -- - 60 MODE 4 MIN MAX -- - 60 MODE 5 MIN MAX -- - 50 Deskstar T7K250 Hard Disk Drive Specification 36
  • Hitachi T7K250 | Specifications - Page 51
    - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 15 - 10 - 7 - 7 - 5 - 5 - 5-5-5-5-5-5- 20 - 20 - 20 - 20 - 20 - 20 - - 20 - 20 - 20 - 20 - 20 - 20 Deskstar T7K250 Hard Disk Drive Specification 37
  • Hitachi T7K250 | Specifications - Page 52
    - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 20 - 15 - 10 - 7 - 7 - 5 - 5 - 5-5-5-5-5-5- 20 - 20 - 20 - 20 - 20 - 20 - - 20 - 20 - 20 - 20 - 20 - 20 Deskstar T7K250 Hard Disk Drive Specification 38
  • Hitachi T7K250 | Specifications - Page 53
    tLI tCYC t2CYC tDS tDH Setup time for DMACKEnvelope time Minimum time before driving IORDY Limited interlock time Cycle time Two cycle time Data setup time - 16.8 - 230 - 154 - 115 - 86 - 57 - 38 - 15 - 10 - 7 - 7 - 5 - 4 - 5 - 5 - 5 - 5 - 5 - 4.6 - Deskstar T7K250 Hard Disk Drive Specification 39
  • Hitachi T7K250 | Specifications - Page 54
    - 60 - 60 - 50 Note: When a device does not satisfy the tSR timing, it shall be ready to receive two more strobes after DDMARDY- is negated. Deskstar T7K250 Hard Disk Drive Specification 40
  • Hitachi T7K250 | Specifications - Page 55
    MAX MIN MAX MIN MAX - 75 - 70 - 60 - 60 - 60 - 50 160 - 125 - 100 - 100 - 100 - 85 - 0 150 0 150 0 150 0 100 0 100 0 75 20 - 20 - 20 - 20 - 20 - 20 - 15 - 10 - 7 - 7 - 5 - 5 - 5-5-5-5-5-5- 20 - 20 - 20 - 20 - 20 - 20 - - 20 - 20 - 20 - 20 - 20 - 20 Deskstar T7K250 Hard Disk Drive Specification 41
  • Hitachi T7K250 | Specifications - Page 56
    DD(15:0) tLI tACK tCH tCS xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx CRC xxxxxxxxxx Host drives DD Table 33: Ultra DMA cycle timings (Host Terminating 15 - 10 - 7 - 7 - 5 - 5 - 5-5-5-5-5-5- 20 - 20 - 20 - 20 - 20 - 20 - - 20 - 20 - 20 - 20 - 20 - 20 Deskstar T7K250 Hard Disk Drive Specification 42
  • Hitachi T7K250 | Specifications - Page 57
    value is invalid). 6.11.1 Cabling The maximum cable length from the host system to the drive plus circuit pattern length in the host system shall not exceed 18 inches. For higher DMA mode 3, 4, and 5, 80-conductor ATA cable assembly shall be used Deskstar T7K250 Hard Disk Drive Specification 43
  • Hitachi T7K250 | Specifications - Page 58
    Deskstar T7K250 Hard Disk Drive Specification 44
  • Hitachi T7K250 | Specifications - Page 59
    Part 2. Interface specification Deskstar T7K250 Hard Disk Drive Specification 45
  • Hitachi T7K250 | Specifications - Page 60
    Deskstar T7K250 Hard Disk Drive Specification 46
  • Hitachi T7K250 | Specifications - Page 61
    7.0 Specification 7.1 Jumper settings 7.1.1 Jumper pin location 7.1.2 Jumper pin identification Pin I Jumper pins Pin A DERA001.prz Pin B Deskstar T7K250 Hard Disk Drive Specification 47
  • Hitachi T7K250 | Specifications - Page 62
    ) • 15logical head default • 32 GB clip • Power up in standby Within each of these four jumper settings the pin assignment selects Device 0, specification. Note: In conventional terminology "Device 0" designates a Master and "Device 1" designates a Slave. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 63
    E-F. In the CSEL mode the drive address is determined by AT interface signal #28 CSEL as follows: • When CSEL is grounded or at a low level, the drive address is 0 (Device 0). • When CSEL is open or at a high level, the drive address is 1 (Device 1). Deskstar T7K250 Hard Disk Drive Specification 49
  • Hitachi T7K250 | Specifications - Page 64
    drive address is 0 (Device 0). • When CSEL is open or at a high level, the drive address is 1 (Device 1). 2. In CSEL mode, installing or removing the jumper blocks at A-B or C-D position does not affect any selection of Device or Cable Selection mode. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 65
    jumper positions used to select Device 0, Device 1, Cable Selection, or Device1 (Slave) Present to enable Power Up In Standby. I GECA HFDB DEVICE 0 (Master) I GECA HFDB DEVICE 1 (Slave) I GECA HFDB CABLE SEL I GECA HFDB DEVICE 1 (Slave) Present Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 66
    E-F. In the CSEL mode the drive address is determined by AT interface signal #28 CSEL as follows: • When CSEL is grounded or at a low level, the drive address is 0 (Device 0). • When CSEL is open or at a high level, the drive address is 1 (Device 1). Deskstar T7K250 Hard Disk Drive Specification 52
  • Hitachi T7K250 | Specifications - Page 67
    for providing sufficient ventilation to maintain a surface temperature below 60°C at the center of the top cover of the drive. • Noncondensing conditions should be maintained at any time. • Maximum storage period within shipping package is one year. Deskstar T7K250 Hard Disk Drive Specification 53
  • Hitachi T7K250 | Specifications - Page 68
    the drive (no hot plug/unplug is alloweed). If SATA power supply cable is connected or disconnected to the SATA -8% -0.3 to 15 V 0 to 5 sec 1To avoid damage to the drive electronics, power supply voltage spikes must not exceed specifications. Deskstar T7K250 Hard Disk Drive Specification 54
  • Hitachi T7K250 | Specifications - Page 69
    30%, W/R duty = 45%, Idle duty = 25% Power supply current of 160 GB and 250 GB model (SATA models) +5 Volts (mA) Pop mean Std dev Idle average Idle ripple (peak 160 10 300 20 270 13 400 20 600 12 1700 50 Total (W) 6.19 3.67 4.99 10.45 Deskstar T7K250 Hard Disk Drive Specification 55
  • Hitachi T7K250 | Specifications - Page 70
    the drive, the drive must be held by four screws in a user system frame which has no electrical level difference at the four screws position and has less than ±300 millivolts peak to peak level difference to the ground of the drive power connector. Deskstar T7K250 Hard Disk Drive Specification 56
  • Hitachi T7K250 | Specifications - Page 71
    when the interface cable is routed on top or comes in contact with the HDA assembly, the drive must be grounded electrically to the system frame by four screws. The common mode noise or "Time-out values" on page 241. Step 3: Terminate power to HDD. Deskstar T7K250 Hard Disk Drive Specification 57
  • Hitachi T7K250 | Specifications - Page 72
    Mechanical specifications 7.5.1 Physical dimensions and weight All dimensions in the above figure are in millimeters. The breather hole must be kept uncovered in order to keep the air pressure inside of the disk enclosure equal to external air pressure. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 73
    640 7.5.2 Mounting hole locations The mounting hole locations and size of the drive are shown below. All dimensions are in mm. Thread 6-32 UNC (1) 41.28±0.5 (2) 44.45±0.2 (3) 95.25±0.2 (4) 6.35±0.2 (5) 28.5±0.5 (6) 60.0±0.2 (7) 41.6±0.2 Deskstar T7K250 Hard Disk Drive Specification 59
  • Hitachi T7K250 | Specifications - Page 74
    was formatted. For reliable operation, the drive must be mounted in the system securely enough to prevent excessive motion or vibration of the drive during seek operation or spindle rotation, using appropriate screws or equivalent mounting hardware. Deskstar T7K250 Hard Disk Drive Specification 60
  • Hitachi T7K250 | Specifications - Page 75
    maximum for bottom and 4.5 mm maximum for horizontal mounting. Drive level vibration test and shock test are to be conducted with the drive mounted to the table using the bottom four screws. 7.5.5 actuator will secure the heads in unload position. Deskstar T7K250 Hard Disk Drive Specification 61
  • Hitachi T7K250 | Specifications - Page 76
    levels for the test simulate the shipping and relocation environment shown below. Table 41: Random Vibration PSD profile breakpoints (nonoperating) Frequency 2Hz 4Hz G2/Hz 0.001 0.03 8Hz 40Hz 55Hz 0.03 0.003 0.01 70Hz 0.01 200Hz 0.001 Deskstar T7K250 Hard Disk Drive Specification 62
  • Hitachi T7K250 | Specifications - Page 77
    dwell at two major resonances 7.6.3 Operating shock The drive meets the following criteria while operating in the conditions described below. The shock test consists of 10 shock inputs in each axis and Minimum velocity change is 4.23 meters per second Deskstar T7K250 Hard Disk Drive Specification 63
  • Hitachi T7K250 | Specifications - Page 78
    shock All shock inputs shall be applied around the actuator pivot axis. Table 43: Rotational shock Duration 1 ms 2 ms Rad/sec2 30,000 20,000 Deskstar T7K250 Hard Disk Drive Specification 64
  • Hitachi T7K250 | Specifications - Page 79
    , the place of manufacture, UL/CSA/TUV/CE/C-Tick mark logos • A bar code label containing the drive serial number • A label containing jumper pin description • A user designed label per agreement The above labels may be integrated with other labels Deskstar T7K250 Hard Disk Drive Specification 65
  • Hitachi T7K250 | Specifications - Page 80
    on the drive. 7.9.2 German safety mark All models are approved by TUV on Test Requirement: controlled. In addition to the Protocol Hitachi Global Storage Technologies requires the following: driver module includes 12 V over current protection circuit Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 81
    with requirements of the following EC directives under the sole responsibility of Hitachi Global Storage Technologies Japan Ltd: Council Directive 89/336/EEC on Packaging Drives are packed in ESD protective bags and shipped in appropriate containers. Deskstar T7K250 Hard Disk Drive Specification 67
  • Hitachi T7K250 | Specifications - Page 82
    Deskstar T7K250 Hard Disk Drive Specification 68
  • Hitachi T7K250 | Specifications - Page 83
    Sector Count Register when the device is in Idle mode. This command does not support 80h as the return value. Hard Reset. Hard reset response is not the same as that of power on reset. Refer to section 10.1, "Reset response" on page 79 for details. Deskstar T7K250 Hard Disk Drive Specification 69
  • Hitachi T7K250 | Specifications - Page 84
    Deskstar T7K250 Hard Disk Drive Specification 70
  • Hitachi T7K250 | Specifications - Page 85
    sending commands to the device or posting status from the device. The Control Block Registers are used for device control and to post alternate status. Deskstar T7K250 Hard Disk Drive Specification 71
  • Hitachi T7K250 | Specifications - Page 86
    one (1). When 48-bit addressing commands are used, the "most recently written" content contains LBA Bits 8-15 and the "previous content" contains Bits 32-39. Deskstar T7K250 Hard Disk Drive Specification 72
  • Hitachi T7K250 | Specifications - Page 87
    device interrupts to the host will be enabled. When IEN = 1, or the device is not selected, the device interrupts to the host will be disabled. Deskstar T7K250 Hard Disk Drive Specification 73
  • Hitachi T7K250 | Specifications - Page 88
    , HS3 through HS0 contain bits 24-27 of the LBA. At command completion these bits are updated to reflect the current LBA bits 24-27. Deskstar T7K250 Hard Disk Drive Specification 74
  • Hitachi T7K250 | Specifications - Page 89
    the correct ID field for the requested sector. 9.11 Features Register This register is command specific. It is used with the Set Features command, the S.M.A.R.T. Function Set command, and the . These definitions are given in the command descriptions. Deskstar T7K250 Hard Disk Drive Specification 75
  • Hitachi T7K250 | Specifications - Page 90
    to be the interrupt acknowledge. Any pending interrupt is cleared whenever this register is read. If BSY=1, no other bits in the register are valid. Deskstar T7K250 Hard Disk Drive Specification 76
  • Hitachi T7K250 | Specifications - Page 91
    by the host, at which time RDY is set back to one. Device Fault. This product does not support DF bit. DF is always zero. Device Seek Complete. If DSC=1, it indicates that a Seek has completed ERR=0 when the next command is received from the host. Deskstar T7K250 Hard Disk Drive Specification 77
  • Hitachi T7K250 | Specifications - Page 92
    Deskstar T7K250 Hard Disk Drive Specification 78
  • Hitachi T7K250 | Specifications - Page 93
    Reset (POR) Hard Reset (Hardware Reset) Soft Reset (Software Reset) The device executes a series of electrical circuitry diagnostics, spins up the head disk assembly, tests speed and other mechanical when Power-Up in Standby feature set is enabled. Deskstar T7K250 Hard Disk Drive Specification 79
  • Hitachi T7K250 | Specifications - Page 94
    Code 01h 02h 03h 04h 05h 8xh Description No error detected Formatter device error Sector buffer error ECC circuitry error Controller microprocessor error Device 1 failed Deskstar T7K250 Hard Disk Drive Specification 80
  • Hitachi T7K250 | Specifications - Page 95
    present) in order to indicate that the device is active. In each case - Power On Reset [Hard Reset], Soft Reset, and the Execute Device Diagnostic command - the Device 0 Error register value is interpreted -, Soft Reset, or Device Diagnostic error. Deskstar T7K250 Hard Disk Drive Specification 81
  • Hitachi T7K250 | Specifications - Page 96
    The logical CHS address for the Deskstar T7K250 is different from the actual physical CHS location of the data sector on the disk media. The Deskstar T7K250 supports both Logical CHS Addressing Mode Device/Head register to select the other device. Deskstar T7K250 Hard Disk Drive Specification 82
  • Hitachi T7K250 | Specifications - Page 97
    and the results are indeterminate. The maximum queue depth supported by a device is indicated in word 73 of service associated with another queued command. The host receives no additional interrupt to indicate that a queued command is ready for service. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 98
    Idle Immediate Sleep Standby, Standby Immediate allows a host to determine if a device is currently in, going to, or leaving standby mode. move a device to idle mode immediately from the active or is set to 00h, the standby timer is disabled. Deskstar T7K250 Hard Disk Drive Specification 84
  • Hitachi T7K250 | Specifications - Page 99
    Active Active Inactive Inactive Ready (RDY) is not a power condition. A device may post ready at the interface even though the media may not be accessible. Deskstar T7K250 Hard Disk Drive Specification 85
  • Hitachi T7K250 | Specifications - Page 100
    attribute thresholds are determined by the device manufacturer through design and reliability testing and analysis. Each attribute threshold represents the lowest limit to which the host during the read scanning, the device services the host command. Deskstar T7K250 Hard Disk Drive Specification 86
  • Hitachi T7K250 | Specifications - Page 101
    attributes are updated accordingly during the execution of self-test. If it is interrupted by the host during the self-tests, the device services the host command. If the device receives a firmware modification, all self-test log data is discarded Deskstar T7K250 Hard Disk Drive Specification 87
  • Hitachi T7K250 | Specifications - Page 102
    access to a device even if it is removed from the computer. New commands are supported for this feature as listed below: Security Set Password Security Unlock Security Erase Prepare Security command can unlock the device. User data is then erased. Deskstar T7K250 Hard Disk Drive Specification 88
  • Hitachi T7K250 | Specifications - Page 103
    Device Lock Function, and the device is then locked on the next power on reset or hard reset. The system manufacturer or dealer who intends to enable the device lock function for end users > POR Normal operation Power off POR Device unlocked mode Deskstar T7K250 Hard Disk Drive Specification 89
  • Hitachi T7K250 | Specifications - Page 104
    Frozen mode Normal Operation expect Set Password, Disable Password, Erase Unit, Unlock commands. (*1) - refer to the commands in Figure 10.8.5, "Command table" on page 92. Deskstar T7K250 Hard Disk Drive Specification 90
  • Hitachi T7K250 | Specifications - Page 105
    4) of Word 128 in Identify Device information is set, and then the SECURITY ERASE UNIT command and the SECURITY UNLOCK command are aborted until a hard reset or a power off. The count and EXPIRE bit are cleared after a power on reset or a hard reset. Deskstar T7K250 Hard Disk Drive Specification 91
  • Hitachi T7K250 | Specifications - Page 106
    Device Mode Locked Unlocked x o o o Frozen x x o o o Service x o o Set Features o o o Set Max ADDRESS x o o Multiple Ext x o o Write Sector(s) x o o Write Sector(s) Ext x o o o - executable x - command aborted Deskstar T7K250 Hard Disk Drive Specification 92
  • Hitachi T7K250 | Specifications - Page 107
    ADDRESS command. The option may be either nonvolatile or volatile. iii. Test the sectors for protected area (LBA > = 12,289,536 (BB8600h)) GB device, any BIOS, device driver, or application software will access the drive as if it were a 6.2 GB device. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 108
    3. Conventional usage without system software support Since the drive works as a 6.2 GB device, there is no special 8 indicates that this extension is supported if set, and word 86, bit 8 indicates the Set Max security extension is enabled if set. Deskstar T7K250 Hard Disk Drive Specification 94
  • Hitachi T7K250 | Specifications - Page 109
    10.10 Seek overlap The Deskstar T7K250 provides an accurate method for measuring seek time. The seek command is usually l ap Host pr ocess Devi ce pr ocess Seek oper at i on Over head A B+A Tot al t i me = n * ( Seek oper at i on + A + B) B B Deskstar T7K250 Hard Disk Drive Specification 95
  • Hitachi T7K250 | Specifications - Page 110
    • While writing data after completed acknowledgment of a write command, soft reset or hard reset does not affect its operation. However power off terminates the writing operation immediately and or Flush Cache command to the device. before power off. Deskstar T7K250 Hard Disk Drive Specification 96
  • Hitachi T7K250 | Specifications - Page 111
    a read operation for a sector has failed once and then has recovered at the specific ERP step, this sector of data is automatically reallocated. A media verification sequence may be run prior to the reallocation according to the predefined conditions. Deskstar T7K250 Hard Disk Drive Specification 97
  • Hitachi T7K250 | Specifications - Page 112
    set will be enabled and disabled via the SET FEATURES command or the use of a jumper. When enabled by a jumper, the feature set shall not be disabled via the SET FEATURES command. The enabling of the Set Features command to spin-up into active state Deskstar T7K250 Hard Disk Drive Specification 98
  • Hitachi T7K250 | Specifications - Page 113
    timer are set, the device will go to the Standby state when the timer supported if set. Word 86, bit 3 indicates that Advanced Power Management is enabled if set. Word 91, bits 7-0 contains the current Advanced Power Management level if it is enabled. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 114
    94, bits 7-0s contains the current Automatic Acoustic Management level if Automatic Acoustic Management is enabled, and bits 8-15 contain the Vendor's recommended AAM level. Deskstar T7K250 Hard Disk Drive Specification 100
  • Hitachi T7K250 | Specifications - Page 115
    Offset Feature removes the address offset and sets the size of the drive reported by the Identify Device command back to the size specified in the last nonvolatile Set Max Address command. Figure 1 : Device address map before and after Set Feature Deskstar T7K250 Hard Disk Drive Specification 101
  • Hitachi T7K250 | Specifications - Page 116
    10.16.2 Identify Device Data Identify Device data, word 83, bit 7 indicates the device supports the Address Offset Feature. Identify Device data, word 86, bit 7 indicates the device not carried out, even if it is enabled by the Set Feature command. Deskstar T7K250 Hard Disk Drive Specification 102
  • Hitachi T7K250 | Specifications - Page 117
    data rather than the integrity of the data. Streaming feature set commands only support 48-bit addressing. A device that implements the Streaming feature set shall implement the following minimum set of commands • Configure Stream • Read Stream PIO Deskstar T7K250 Hard Disk Drive Specification 103
  • Hitachi T7K250 | Specifications - Page 118
    stream identifier, Stream ID, may be used by the device to configure its resources to support the streaming requirements of the AV content. One Stream ID may be configured for each read . This information helps the device with pre-fetching decisions. Deskstar T7K250 Hard Disk Drive Specification 104
  • Hitachi T7K250 | Specifications - Page 119
    command; the information included in the error logs is volatile and is not maintained across power cycles, hard resets, or sleep. These error logs are 512 bytes in length and retain the last 31 errors that occurred during any Streaming Data transfer. Deskstar T7K250 Hard Disk Drive Specification 105
  • Hitachi T7K250 | Specifications - Page 120
    Deskstar T7K250 Hard Disk Drive Specification 106
  • Hitachi T7K250 | Specifications - Page 121
    command should only be interrupted by a reset at times when the host thinks there may be a problem, such as a device that is no longer responding. Interrupts are cleared when the host reads the in response to the Status Register being read. Deskstar T7K250 Hard Disk Drive Specification 107
  • Hitachi T7K250 | Specifications - Page 122
    Unit • Security Set Password • Security Unlock • Set Max Set Password • Set Max Unlock • S.M.A.R.T. Write log sector • Write Buffer • Write Log Ext • Write Long • Write Multiple Deskstar T7K250 Hard Disk Drive Specification 108
  • Hitachi T7K250 | Specifications - Page 123
    on issuing the command. All data transfers to the device through the Data Register are 16 bits except for the ECC bytes which are 8 bits. Deskstar T7K250 Hard Disk Drive Specification 109
  • Hitachi T7K250 | Specifications - Page 124
    host. e. In response to the interrupt the host reads the Status Register. f. The device clears the interrupt in response to the Status Register being read Deskstar T7K250 Hard Disk Drive Specification 110
  • Hitachi T7K250 | Specifications - Page 125
    device generates an interrupt to the host. 7. The host resets the Slave DMA channel. 8. The host reads the Status Register and, optionally, the Error Register. Deskstar T7K250 Hard Disk Drive Specification 111
  • Hitachi T7K250 | Specifications - Page 126
    for data ttransfer (REL is sent), a. the device generates an interrupt if release interrupt is enabled. b. the host may issue another command or wait for service request from the device. Deskstar T7K250 Hard Disk Drive Specification 112
  • Hitachi T7K250 | Specifications - Page 127
    115 shows the subcommands that are supported by each command or feature. Table 0 1 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 - - - 0 0 0 1 - - - 1 1 1 1 1 0 1 0 1 1 1 1 0 0 1 1 1 1 1 1 0 1 0 0 Deskstar T7K250 Hard Disk Drive Specification 113
  • Hitachi T7K250 | Specifications - Page 128
    Set Password 2 Security Unlock 3 Seek 5 Service 3 Set Features 3 Set Max ADDRESS 3 1 0 0 0 0 31 0 0 1 1 0 0 0 1 34 0 0 1 1 0 1 0 0 Commands marked * are alternate command codes for previously defined commands Protocol: 1 : PIO data IN command Deskstar T7K250 Hard Disk Drive Specification 114
  • Hitachi T7K250 | Specifications - Page 129
    on Read/Write Long EF BB Disable Automatic Acoustic Management EF C2 Enable reverting to power on defaults EF CC Disable release interrupt EF DD Deskstar T7K250 Hard Disk Drive Specification 115
  • Hitachi T7K250 | Specifications - Page 130
    : The command descriptions show the contents of the Status and Error Registers after the device has completed processing the command and has interrupted the host. Deskstar T7K250 Hard Disk Drive Specification 116
  • Hitachi T7K250 | Specifications - Page 131
    if the spindle motor is at speed and the device is not in Standby or Sleep mode. Otherwise, the Sector Count Register is set to 0. Deskstar T7K250 Hard Disk Drive Specification 117
  • Hitachi T7K250 | Specifications - Page 132
    CONFIGURATION FREEZE LOCK condition shall be cleared by a power-down. The DEVICE CONFIGURATION FREEZE LOCK condition shall not be cleared by hardware or software reset. Deskstar T7K250 Hard Disk Drive Specification 118
  • Hitachi T7K250 | Specifications - Page 133
    IDENTIFY DEVICE command response. When the bits in these words are cleared, the device no longer support the indicated command, mode, or feature set. If a bit is set in the overlay bit 3 is invalid 04h = Security feature set is now enabled Deskstar T7K250 Hard Disk Drive Specification 119
  • Hitachi T7K250 | Specifications - Page 134
    word 255. Each byte is added with unsigned arithmetic and overflow is ignored. The sum of all bytes is zero when the checksum is correct. Deskstar T7K250 Hard Disk Drive Specification 120
  • Hitachi T7K250 | Specifications - Page 135
    to disable any feature enabled 05h Device is now SET MAX Locked or Frozen mode 06h Protected area is now established 07h DCO is not supported 08h Subcommand code is invalid FFh other reason Deskstar T7K250 Hard Disk Drive Specification 121
  • Hitachi T7K250 | Specifications - Page 136
    results of the test are stored in the Error Register. The normal Error Register bit definitions do not apply to this command. Instead, the register contains a diagnostic code. See Table 54: "Default Register Values" on page 80 for the definition. Deskstar T7K250 Hard Disk Drive Specification 122
  • Hitachi T7K250 | Specifications - Page 137
    device to complete writing data from its cache. The device returns good status after data in the write cache is written to the disk media. Deskstar T7K250 Hard Disk Drive Specification 123
  • Hitachi T7K250 | Specifications - Page 138
    the device to complete writing data from its cache. The device returns good status after data in the write cache is written to disk media. Deskstar T7K250 Hard Disk Drive Specification 124
  • Hitachi T7K250 | Specifications - Page 139
    Abort error (ABT=1) will be returned when LBA is out of range In LBA mode this command formats a single logical track including the specified BLA. Deskstar T7K250 Hard Disk Drive Specification 125
  • Hitachi T7K250 | Specifications - Page 140
    any values other than 11h should not be put into Feature register. This command does not request a data transfer. Command execution time depends on drive capacity. To determine the command time-out value, refer to Word 89 of Identify Device data. Deskstar T7K250 Hard Disk Drive Specification 126
  • Hitachi T7K250 | Specifications - Page 141
    to transfer configuration information to the host. The device will transfer a sector to the host containing the information in Table 73 beginning on page 128. Deskstar T7K250 Hard Disk Drive Specification 127
  • Hitachi T7K250 | Specifications - Page 142
    version in ASCII Model number in ASCII 15-8: (=80h) 7-0: Maximum number of sectors that can be transferred per interrupt on Read and Write Multiple commands. Deskstar T7K250 Hard Disk Drive Specification 128
  • Hitachi T7K250 | Specifications - Page 143
    48-bit native max address is greater than 268,435,455 Multiword DMA Transfer Capability 15- 8 Multiword DMA transfer mode active 7- 0(=7) Multiword DMA transfer modes supported (support mode 0,1,and 2 Deskstar T7K250 Hard Disk Drive Specification 129
  • Hitachi T7K250 | Specifications - Page 144
    supported 7-3(=0)Reserved 2(=1)SATA Gen-2 speed (3.0Gbps) supported 1(=1)SATA Gen-1 speed (1.5Gbps) supported 0(=0)Reserved Reserved SATA supported features Auto-Activate optimization 1(=0)Non-zero buffer offset in DMA Setup FIS 0(=0)Reserved Deskstar T7K250 Hard Disk Drive Specification 130
  • Hitachi T7K250 | Specifications - Page 145
    set supported 15(=0) SERVICE interrupt 7(=1) RELEASE interrupt 6(=1) LOOK AHEAD 5(=1) WRITE CACHE 4(=0) PACKET Command Feature set 3(=1) Power Management Feature Set 2(=0) Removable feature set 1(=1) Security feature set 0(=1) SMART feature set Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 146
    Feature Set 9 DEVICE RESET command 8 SERVICE interrupt 7 RELEASE interrupt 6 LOOK AHEAD 5 WRITE CACHE 4 PACKET Command Feature Set 3 Power Management Feature Set 2 Removable Feature Set 1 Security Feature Set 0 SMART Feature Set Deskstar T7K250 Hard Disk Drive Specification 132
  • Hitachi T7K250 | Specifications - Page 147
    Support 0 Mode 0 1=Support XXXXH Time required for Security Erase Unit completion Time= value x 2 [minutes] 0000H Time required for Enhanced Security Erase completion 0000H Current Advanced Power Management value FFFEH Master Password Revision Code Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 148
    10-9 How to determine the device number: 00= Reserved 01= a jumper was used 10= the CSEL signal was used 11= some other Support 4 Expire 1= Expired 3 Freeze 2 Lock 1= Frozen 1= Locked 1 Enable/Disable 1= Enable 0 Capability 1= Support Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 149
    in next to the Content field indicates the use of those parameters that are vendor specific Word 129 130159 160254 255 Content XXXXH XXXXH Description * Current Set Feature Option. of the sum of all bytes in byte 0 through 510 7- 0 Signature Deskstar T7K250 Hard Disk Drive Specification 135
  • Hitachi T7K250 | Specifications - Page 150
    down sequence is enabled, the drive will enter Standby mode automatically if the time-out interval expires with no drive access from the host. The timeout interval will be reinitialized if there is a drive access before the time-out interval expires Deskstar T7K250 Hard Disk Drive Specification 136
  • Hitachi T7K250 | Specifications - Page 151
    is spinning and ready to respond to the host commands immediately. The Idle Immediate command will not affect the auto power down time-out parameter. Deskstar T7K250 Hard Disk Drive Specification 137
  • Hitachi T7K250 | Specifications - Page 152
    Initialize Device Parameters command is received • The device is powered off • A soft reset/hard reset has occurred • The Set Feature option of CCh instead of 66h is set. number of user addressable sectors is described in Identify Device command. Deskstar T7K250 Hard Disk Drive Specification 138
  • Hitachi T7K250 | Specifications - Page 153
    -FFH Do not abort any outstanding queue The value of Sector Count, Sector Number, Cylinder High/Low, Device/Head set by host is not changed. Deskstar T7K250 Hard Disk Drive Specification 139
  • Hitachi T7K250 | Specifications - Page 154
    Write Buffer command. The contents of the sector may be different if any reads or writes have occurred since the Write Buffer command was issued. Deskstar T7K250 Hard Disk Drive Specification 140
  • Hitachi T7K250 | Specifications - Page 155
    requested sectors not transferred. This will be zero, unless an unrecoverable error occurs. Sector Number This indicates the sector number of the last transferred sector. (L = 0). Deskstar T7K250 Hard Disk Drive Specification 141
  • Hitachi T7K250 | Specifications - Page 156
    -23 (High). (L=1) This indicates the head number of the sector to be transferred. (L = 0) In LBA mode this register contains the current LBA bits 24-27. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 142
  • Hitachi T7K250 | Specifications - Page 157
    Current LBA (7:0) Sector Number Previous LBA (31:24) Cylinder Low Current LBA (15:8) Cylinder Low Previous LBA (39:32) Cylinder High Current LBA (23:16) Deskstar T7K250 Hard Disk Drive Specification 143
  • Hitachi T7K250 | Specifications - Page 158
    =0) LBA (23:16)of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40)of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 144
  • Hitachi T7K250 | Specifications - Page 159
    transfer. If the device performs a bus release, the host shall reselect the device using the SERVICE command. When the data transfer is begun, the device does not perform a bus release until is set to one when the device is ready to transfer data. Deskstar T7K250 Hard Disk Drive Specification 145
  • Hitachi T7K250 | Specifications - Page 160
    set to one. Sector Number, Cylinder High/Low, H Sector address of unrecoverable error (applicable only when an unrecoverable error has occurred.) SRV Cleared to zero Deskstar T7K250 Hard Disk Drive Specification 146
  • Hitachi T7K250 | Specifications - Page 161
    transfer. If the device performs a bus release, the host shall re-select the device using the SERVICE command. When the data transfer is begun, the device does not perform a bus release until the LBA (23:16) Cylinder High Previous LBA (47:40) Deskstar T7K250 Hard Disk Drive Specification 147
  • Hitachi T7K250 | Specifications - Page 162
    High (HOB=1) LBA (47:40) of the address of the first unrecoverable error (applicable only when an unrecoverable error has occurred). SRV Cleared to zero Deskstar T7K250 Hard Disk Drive Specification 148
  • Hitachi T7K250 | Specifications - Page 163
    of sectors to be read from the specified log low order, bits (7:0). The log transferred by the drive shall start at the sector in the specified log at the specified off- set, regardless of the sector of the log to be read high order, bits (15:8). Deskstar T7K250 Hard Disk Drive Specification 149
  • Hitachi T7K250 | Specifications - Page 164
    SMART self-test log sector shall support 48-bit and 28-bit addressing. All 28-bit entries contained in the SMART self-test log sector shall also be included in the Comprehensive SMART self-test log sector 9Fh shall each be defined as 16 sectors long. Deskstar T7K250 Hard Disk Drive Specification 150
  • Hitachi T7K250 | Specifications - Page 165
    data structure 5th error log data structure Error data structure Bytes 18 18 18 18 18 34 124 Offset 00h 12h 24h 36h 48h 5Ah Deskstar T7K250 Hard Disk Drive Specification 151
  • Hitachi T7K250 | Specifications - Page 166
    (7:0) Cylinder High register (15:8) Device/Head register Status register Extended error data (vendor specific) State Life stamp (hours) Bytes 1 1 1 1 1 1 1 1 1 1 1 1 19 1 2 34 Offset 00h 01h 02h 03h 04h 05h 06h 07h 08h 09h 0Ah 0Bh 0Ch 1Fh 20h Deskstar T7K250 Hard Disk Drive Specification 152
  • Hitachi T7K250 | Specifications - Page 167
    nineteenth self-test shall create a descriptor entry that replaces descriptor entry 1. The next self-test after that shall create a descriptor entry that replaces descriptor entry 2, etc. All unused self-test descriptors shall be filled with zeros. Deskstar T7K250 Hard Disk Drive Specification 153
  • Hitachi T7K250 | Specifications - Page 168
    Self-test failure check point Failing LBA (7:0) Failing LBA (15:8) Failing LBA (23:16) Failing LBA (31:24) Failing LBA (39:32) Failing LBA (47:40) Vendor specific Bytes 1 1 2 1 1 1 1 1 1 1 15 26 Offset 00h 01h 02h 04h 05h 06h 07h 08h 09h 0AH 0BH Deskstar T7K250 Hard Disk Drive Specification 154
  • Hitachi T7K250 | Specifications - Page 169
    from the device Sector Count This indicates the number of requested sectors not transferred Sector Number This indicates the sector number of the transferred sector. (L = 0) Deskstar T7K250 Hard Disk Drive Specification 155
  • Hitachi T7K250 | Specifications - Page 170
    or read from the disk. The 4-byte mode of operation is provided via an emulation. Use of the 52 byte ECC mode is recommended for testing the effectiveness and integrity of the ECC functions of the device. Deskstar T7K250 Hard Disk Drive Specification 156
  • Hitachi T7K250 | Specifications - Page 171
    High/Low This indicates the cylinder number of the transferred sector. (L = 0) In LBA mode, this register contains current LBA bits 8-15 (Low), 16-23 (High). (L = 1) Deskstar T7K250 Hard Disk Drive Specification 157
  • Hitachi T7K250 | Specifications - Page 172
    H This indicates the head number of the transferred sector. (L = 0) In LBA mode, this register contains current LBA bits 24-27. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 158
  • Hitachi T7K250 | Specifications - Page 173
    (31:24) Cylinder Low Current LBA (15:8) Cylinder Low Previous LBA (39:32) Cylinder High Current LBA (23:16) Cylinder High Previous LBA (47:40) Deskstar T7K250 Hard Disk Drive Specification 159
  • Hitachi T7K250 | Specifications - Page 174
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 160
  • Hitachi T7K250 | Specifications - Page 175
    COR IDX ERR 0 V0- - 0 - V This command returns the native max LBA/CYL of the drive which is not effected by the Set Max ADDRESS command. If the 48-bit native max address is greater than this register contains the native maximum head number. (L = 0) Deskstar T7K250 Hard Disk Drive Specification 161
  • Hitachi T7K250 | Specifications - Page 176
    =0) LBA (23:16) of the address of the Native max address Cylinder High (HOB=1) LBA (47:40) of the address of the Native max address Deskstar T7K250 Hard Disk Drive Specification 162
  • Hitachi T7K250 | Specifications - Page 177
    unrecoverable error occurs. Sector Number This is the sector number of the last transferred sector. (L = 0) In LBA mode this register contains the current LBA bits 0-7. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 163
  • Hitachi T7K250 | Specifications - Page 178
    16-23 (High). (L = 1) This is the head number of the last transferred sector. (L = 0) In LBA mode this register contains the current LBA bits 24-27. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 164
  • Hitachi T7K250 | Specifications - Page 179
    (31:24) Cylinder Low Current LBA (15:8) Cylinder Low Previous LBA (39:32) Cylinder High Current LBA (23:16) Cylinder High Previous LBA (47:40) Deskstar T7K250 Hard Disk Drive Specification 165
  • Hitachi T7K250 | Specifications - Page 180
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 166
  • Hitachi T7K250 | Specifications - Page 181
    some data transferred is in error. Output parameters to the device Feature Current In LBA mode this register specifies the LBA address bits 0-7 for seek. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 167
  • Hitachi T7K250 | Specifications - Page 182
    CCTL is zero, or no previous Configure Stream command was defined for this Stream ID, the drive will ignore the CCTL. The time is measured from the write of the command register to the HOB=0) LBA (7:0) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 168
  • Hitachi T7K250 | Specifications - Page 183
    from a previously issued command. If DWE is set to one, the location of the deferred error is only reported in the Write Stream error log. Deskstar T7K250 Hard Disk Drive Specification 169
  • Hitachi T7K250 | Specifications - Page 184
    amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Output parameters to the device Feature Current Deskstar T7K250 Hard Disk Drive Specification 170
  • Hitachi T7K250 | Specifications - Page 185
    CCTL is zero, or no previous Configure Stream command was defined for this Stream ID, the drive will ignore the CCTL. The time is measured from the write of the command register to the HOB=0) LBA (7:0) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 171
  • Hitachi T7K250 | Specifications - Page 186
    from a previously issued command. If DWE is set to one, the location of the deferred error is only reported in the Write Stream error log. Deskstar T7K250 Hard Disk Drive Specification 172
  • Hitachi T7K250 | Specifications - Page 187
    transferred sector. (L = 0) In LBA mode this register contains the current LBA bits 0-7. (L = 1) Cylinder High/Low This is the cylinder number of the last transferred sector. (L = 0) Deskstar T7K250 Hard Disk Drive Specification 173
  • Hitachi T7K250 | Specifications - Page 188
    In LBA mode this register contains the current LBA bits 8-15 (Low) and bits 16-23 (High). (L = 1) H This is the head number of the last transferred sector. (L = 0) In LBA mode this register contains the current LBA bits 24-27. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 174
  • Hitachi T7K250 | Specifications - Page 189
    (31:24) Cylinder Low Current LBA (15:8) Cylinder Low Previous LBA (39:32) Cylinder High Current LBA (23:16) Cylinder High Previous LBA (47:40) Deskstar T7K250 Hard Disk Drive Specification 175
  • Hitachi T7K250 | Specifications - Page 190
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 176
  • Hitachi T7K250 | Specifications - Page 191
    heads from anywhere on the disk to cylinder 0. If the device cannot reach cylinder 0, T0N (Track 0 Not Found) will be set in the Error Register. Deskstar T7K250 Hard Disk Drive Specification 177
  • Hitachi T7K250 | Specifications - Page 192
    the supplied password against the user password stored internally. One indicates that the device should check the given password against the master password stored internally. Deskstar T7K250 Hard Disk Drive Specification 178
  • Hitachi T7K250 | Specifications - Page 193
    immediately before the Format Unit Command. This command is to prevent accidental erasure of the device. This command does not request the transfer of data. Deskstar T7K250 Hard Disk Drive Specification 179
  • Hitachi T7K250 | Specifications - Page 194
    0- User) bit 1 : Erase mode (1- Enhanced, 0 - Normal) [Enhanced mode is not supported] bit 2-15 : Reserved 01-16 Password (32 bytes) 17-255 Reserved Identifier Zero indicates that immediately prior to the Security Erase Unit command. Deskstar T7K250 Hard Disk Drive Specification 180
  • Hitachi T7K250 | Specifications - Page 195
    all user data. The execution time of this command is set in word 89 of Table 73, "Identify device information (Part 1 of 7)," on page 128. Deskstar T7K250 Hard Disk Drive Specification 181
  • Hitachi T7K250 | Specifications - Page 196
    mode: • Security Set Password • Security Unlock • Security Disable Password • Security Erase Unit Refer to Table 58: "Command table for device lock operation" on page 92. Deskstar T7K250 Hard Disk Drive Specification 182
  • Hitachi T7K250 | Specifications - Page 197
    device is not locked immediately. The device is locked after the next power on reset or hard reset. When the MASTER password is set by this command, the master password is registered internally password against the master password stored internally. Deskstar T7K250 Hard Disk Drive Specification 183
  • Hitachi T7K250 | Specifications - Page 198
    password previously set is still stored in the drive but may NOT be used to unlock the device. Identifier = Master / Security level = Maximum This combination will set a master password but will NOT enable the security mode feature (lock function). Deskstar T7K250 Hard Disk Drive Specification 184
  • Hitachi T7K250 | Specifications - Page 199
    reason that an abort error will be returned by the drive AFTER the password information has been sent to the device. An abort error returned by the device BEFORE the password data has been sent to the drive indicates that another problem exists. Deskstar T7K250 Hard Disk Drive Specification 185
  • Hitachi T7K250 | Specifications - Page 200
    this register contains the current LBA bits 8-15 (Low) and bits16-23 (High). (L = 1) H In LBA mode this register contains the current LBA bits 24-27. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 186
  • Hitachi T7K250 | Specifications - Page 201
    released. Output parameters to the device D Selected device Input parameters from the device Input from the device as a result of a Service command are described in the command description for the command for which Service is being requested. Deskstar T7K250 Hard Disk Drive Specification 187
  • Hitachi T7K250 | Specifications - Page 202
    -ahead feature 4 bytes of ECC apply on Read Long/Write Long commands Disable Automatic Acoustic Management Enable reverting to power on defaults Disable release interrupt Deskstar T7K250 Hard Disk Drive Specification 188
  • Hitachi T7K250 | Specifications - Page 203
    deepest Power Saving mode, y1 = (x − 80h) 5+ 120[sec] (120 ☯y1 ☯435) y2 =N/A (the device does not go to Low RPM standby mode) When Low RPM standby mode is the deepest Power Saving mode and the value in Sector Count register is between 40h and 7Fh, Deskstar T7K250 Hard Disk Drive Specification 189
  • Hitachi T7K250 | Specifications - Page 204
    Saving mode becomes Normal Idle mode, or a new time is set. They are initialized with a hard/soft reset unless Reverting to Power on defaults is disabled and the devise receives a soft reset. reset, that is, Power on, Hardware, and Software Resets. Deskstar T7K250 Hard Disk Drive Specification 190
  • Hitachi T7K250 | Specifications - Page 205
    60) shall reflect the maximum address set with this command. If the 48-bit Address feature set is supported, the value placed in Identify Device response words (103:100) shall be the same as the value (103:100) shall be the native maximum address. Deskstar T7K250 Hard Disk Drive Specification 191
  • Hitachi T7K250 | Specifications - Page 206
    is set. (L=0) H In LBA mode this register contains max LBA bits 24 - 27 which is set. (L=1) In CHS mode this register contains max head number. (L=0) Deskstar T7K250 Hard Disk Drive Specification 192
  • Hitachi T7K250 | Specifications - Page 207
    device is in Set_Max_Unlocked state. Table 120: Set Max Set Password data contents Word 00 01-16 17-255 Description Reserved Password (32 bytes) Reserved Deskstar T7K250 Hard Disk Drive Specification 193
  • Hitachi T7K250 | Specifications - Page 208
    Lock are rejected. The device remains in this state until a power cycle or the acceptance of a Set Max Unlock or Set Max Freeze Lock command Deskstar T7K250 Hard Disk Drive Specification 194
  • Hitachi T7K250 | Specifications - Page 209
    password mismatch. When this counter reaches zero, all Set Max Unlock commands are rejected until a hard reset or a power off occurs. If the password compare matches, the device sets the Set_Max_Unlocked state and all Set Max commands are accepted. Deskstar T7K250 Hard Disk Drive Specification 195
  • Hitachi T7K250 | Specifications - Page 210
    are rejected. The following commands are disabled by Set Max Freeze Lock: • Set Max Address • Set Max Set PASSWORD • Set Max Lock • Set Max Unlock Deskstar T7K250 Hard Disk Drive Specification 196
  • Hitachi T7K250 | Specifications - Page 211
    reflect the requested value, and words (61:60) shall also be modified. If this command is not supported, the maximum value to be set exceeds the capacity of the device, a host protected area has been command until next power on or hardware reset. Deskstar T7K250 Hard Disk Drive Specification 197
  • Hitachi T7K250 | Specifications - Page 212
    (15:8). Cylinder Low (HOB=1) Set Max LBA (39:32). Cylinder High (HOB=0) Set Max LBA (23:16). Cylinder High (HOB=1) Set Max LBA (47:40). Deskstar T7K250 Hard Disk Drive Specification 198
  • Hitachi T7K250 | Specifications - Page 213
    is already spun down, the spin down sequence is not executed. A software reset or a hardware reset is the only way to recover from Sleep Mode. Deskstar T7K250 Hard Disk Drive Specification 199
  • Hitachi T7K250 | Specifications - Page 214
    , the device saves any updated Attribute Values to the Attribute Data sectors and then transfer the 512 bytes of Attribute Value information to the host. Deskstar T7K250 Hard Disk Drive Specification 200
  • Hitachi T7K250 | Specifications - Page 215
    activities that collect Attribute data in an offline mode (off-line routine) or execute a self-test routine in either captive or off-line mode. The Sector Number register shall be set to , the device will abort or suspend its routine and service the Deskstar T7K250 Hard Disk Drive Specification 201
  • Hitachi T7K250 | Specifications - Page 216
    After servicing the interrupting command, the device will resume its routine automatically or not start its routine depending on the interrupting command. Captive mode: When executing self-test in is preserved by the device across power cycles. Deskstar T7K250 Hard Disk Drive Specification 202
  • Hitachi T7K250 | Specifications - Page 217
    this register before issuing this subcommand is vender specific and does not change the current Automatic Off-line Data Collection status, but the device may respond with the error code specified in Table 137: "S.M.A.R.T. Error Codes" on page 212. Deskstar T7K250 Hard Disk Drive Specification 203
  • Hitachi T7K250 | Specifications - Page 218
    ... 30th Device Attribute 12 Off-line data collection status 1 Self-test execution status 1 Total time in seconds to complete off-line data (valid values from 01h to FDh) Vendor Specific Total Bytes Byte 1 2 1 8 12 Offset 00h 01h 03h 04h Deskstar T7K250 Hard Disk Drive Specification 204
  • Hitachi T7K250 | Specifications - Page 219
    ID Number indicates an active attribute. The device supports following Attribute ID Numbers. ID Attribute Name 0 testing. 1 The attribute value is updated during On-line testing or during both On-line and Off-line testing. Vendor specific Deskstar T7K250 Hard Disk Drive Specification 205
  • Hitachi T7K250 | Specifications - Page 220
    Self-test execution status Bit 0-3 4-7 Definition Percent Self-test remaining. An approximation of the percent of the self-test routine remaining specific event 1 The device will abort off-line data collection activity upon receipt of a new command Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 221
    in these data structures are in byte ordering, that is, that the least significant byte occupies the lowest numbered byte address location in the field. Deskstar T7K250 Hard Disk Drive Specification 207
  • Hitachi T7K250 | Specifications - Page 222
    Byte 1 1 10 12 Offset 00h 01h 02h 12.43.3.3 Attribute ID Numbers Attribute ID Numbers supported by the device are the same as Attribute Values Data Structures. 12.43.3.4 Attribute Threshold These values of the first 511 bytes in the data structure. Deskstar T7K250 Hard Disk Drive Specification 208
  • Hitachi T7K250 | Specifications - Page 223
    sector. All multibyte fields shown in this data structure follow the ATA/ATAPI-6 specifications for byte ordering. Table 132: S.M.A.R.T. summary error log sector Description S.M.A.R.T. error total number of errors. The value will not roll over. Deskstar T7K250 Hard Disk Drive Specification 209
  • Hitachi T7K250 | Specifications - Page 224
    register 1 Cylinder Low register 1 Cylinder High register 1 Device/Head register 1 Status register 1 Extended error data (vendor specific) 19 State 1 Life time stamp (hours) 2 30 Offset 00h 01h 02h 03h 04h 05h 06h 07h 08h 1Bh 1Ch Deskstar T7K250 Hard Disk Drive Specification 210
  • Hitachi T7K250 | Specifications - Page 225
    , the oldest descriptor will be overwritten with the new descriptor. The self-test log index points to the most recent descriptor. When there is no descriptor, the value is 0. When there are one or more descriptors, the value is 1 through 21. Deskstar T7K250 Hard Disk Drive Specification 211
  • Hitachi T7K250 | Specifications - Page 226
    the device with a subcommand value in the Features Register that is either invalid or not supported by this device. A S.M.A.R.T. FUNCTION SET command subcommand other than S.M.A.R.T. ENABLE OPERATIONS was Register 04h 04h 04h 10h or 40h 10h or 01h Deskstar T7K250 Hard Disk Drive Specification 212
  • Hitachi T7K250 | Specifications - Page 227
    The automatic power down sequence is enabled and the timer starts counting down when the drive returns to Idle mode Output parameters to the device Sector Count Time-out Parameter. If if there is a drive access before the time-out interval expires. Deskstar T7K250 Hard Disk Drive Specification 213
  • Hitachi T7K250 | Specifications - Page 228
    be a delay while waiting for the spindle to reach operating speed. The Standby Immediate command will not affect the auto power down time-out parameter. Deskstar T7K250 Hard Disk Drive Specification 214
  • Hitachi T7K250 | Specifications - Page 229
    Read Buffer and Write Buffer commands are synchronized such that sequential Write Buffer and Read Buffer commands access the same 512 byte within the buffer. Deskstar T7K250 Hard Disk Drive Specification 215
  • Hitachi T7K250 | Specifications - Page 230
    transferred. If the device performs a bus release, the host shall reselect the device using the SERVICE command. When the data transfer has begun, the device does not perform a bus release until set to 1 when the device is ready to transfer data. Deskstar T7K250 Hard Disk Drive Specification 216
  • Hitachi T7K250 | Specifications - Page 231
    0 (C/D) is set to one. Sector Number, Cylinder High/Low, H Sector address of unrecoverable error (applicable only when an unrecoverable error has occurred). SRV Cleared to 0. Deskstar T7K250 Hard Disk Drive Specification 217
  • Hitachi T7K250 | Specifications - Page 232
    be transferred. Sector Number CurrentLBA (7:0) Sector Number PreviousLBA (31:24) Cylinder Low Current LBA (15:8) Cylinder Low PreviousLBA (39:32) Cylinder High CurrentLBA (23:16) Deskstar T7K250 Hard Disk Drive Specification 218
  • Hitachi T7K250 | Specifications - Page 233
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 219
  • Hitachi T7K250 | Specifications - Page 234
    (7:0) Sector Number PreviousLBA (31:24) Cylinder Low Current LBA (15:8) Cylinder Low PreviousLBA (39:32) Cylinder High CurrentLBA (23:16) Cylinder High PreviousLBA (47:40) Deskstar T7K250 Hard Disk Drive Specification 220
  • Hitachi T7K250 | Specifications - Page 235
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 221
  • Hitachi T7K250 | Specifications - Page 236
    ) Cylinder Low Current LBA (15:8) Cylinder Low Previous LBA (39:32) Cylinder High Current LBA (23:16) Cylinder High Previous LBA (47:40) Device/Head Deskstar T7K250 Hard Disk Drive Specification 222
  • Hitachi T7K250 | Specifications - Page 237
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 223
  • Hitachi T7K250 | Specifications - Page 238
    supported or enabled, or if the values in the Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return command aborted. If the host attempts to write to a read only log address, the device shall return command aborted. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 239
    cylinder number of the sector to be transferred. (L = 0) In LBA mode this register contains current the LBA bits 8-15 (Low) and bits 16-23 (High). (L = 1) Deskstar T7K250 Hard Disk Drive Specification 225
  • Hitachi T7K250 | Specifications - Page 240
    contains current the LBA bits 24-27. (L = 1) The drive internally uses 52 bytes of ECC on all data read or tests to confirm the operation of the ECC hardware of the drive. Unexpected results may occur if such testing is performed using 4-byte mode. Deskstar T7K250 Hard Disk Drive Specification
  • Hitachi T7K250 | Specifications - Page 241
    16-23 (High). (L = 1) H This indicates the head number of the last transferred sector. (L = 0) In LBA mode this register contains current the LBA bits 24-27. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 227
  • Hitachi T7K250 | Specifications - Page 242
    (23:16) Cylinder High Previous LBA (47:40) Input parameters from the device Sector Number (HOB=0) LBA (7:0) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 228
  • Hitachi T7K250 | Specifications - Page 243
    first unrecoverable error. LBA (23:16) of the address of the first unrecoverable error. LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 229
  • Hitachi T7K250 | Specifications - Page 244
    (31:24) Cylinder Low Current LBA (15:8) Cylinder Low Previous LBA (39:32) Cylinder High Current LBA (23:16) Cylinder High Previous LBA (47:40) Deskstar T7K250 Hard Disk Drive Specification 230
  • Hitachi T7K250 | Specifications - Page 245
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 231
  • Hitachi T7K250 | Specifications - Page 246
    transferred sector. (L = 0) In LBA mode this register contains the current LBA bits 0-7. (L = 1) Cylinder High/Low This indicates the cylinder number of the last transferred sector. (L = 0) Deskstar T7K250 Hard Disk Drive Specification 232
  • Hitachi T7K250 | Specifications - Page 247
    In LBA mode this register contains the current LBA bits 8-15 (Low) and 16-23 (High). (L = 1) H This indicates the head number of the last transferred sector. (L = 0) In LBA mode this register contains the current LBA bits 24-27. (L = 1) Deskstar T7K250 Hard Disk Drive Specification 233
  • Hitachi T7K250 | Specifications - Page 248
    (31:24) Cylinder Low Current LBA (15:8) Cylinder Low Previous LBA (39:32) Cylinder High Current LBA (23:16) Cylinder High Previous LBA (47:40) Deskstar T7K250 Hard Disk Drive Specification 234
  • Hitachi T7K250 | Specifications - Page 249
    =0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 235
  • Hitachi T7K250 | Specifications - Page 250
    Write Continuous mode enabled. If the Write Continuous bit is set to one, the device shall not stop execution of the command due to errors. Deskstar T7K250 Hard Disk Drive Specification 236
  • Hitachi T7K250 | Specifications - Page 251
    Number (HOB=0) LBA (7:0) of the address of the first unrecoverable error. Sector Number (HOB=1) LBA (31:24) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 237
  • Hitachi T7K250 | Specifications - Page 252
    from a previously issued command. If DWE is set to one, the location of the deferred error is only reported in the Write Stream error log. Deskstar T7K250 Hard Disk Drive Specification 238
  • Hitachi T7K250 | Specifications - Page 253
    Write Continuous mode enabled. If the Write Continuous bit is set to one, the device shall not stop execution of the command due to errors. Deskstar T7K250 Hard Disk Drive Specification 239
  • Hitachi T7K250 | Specifications - Page 254
    (39:32) LBA (23:16) LBA (47:40) Input parameters from the device Sector Number (HOB=0) LBA (7:0) of the address of the first unrecoverable error. Deskstar T7K250 Hard Disk Drive Specification 240
  • Hitachi T7K250 | Specifications - Page 255
    from a previously issued command. If DWE is set to one, the location of the deferred error is only reported in the Write Stream error log. Deskstar T7K250 Hard Disk Drive Specification 241
  • Hitachi T7K250 | Specifications - Page 256
    Deskstar T7K250 Hard Disk Drive Specification 242
  • Hitachi T7K250 | Specifications - Page 257
    are shown in the table below. Table 144: Time-out values Power On Software Reset Hard Reset Data In Command Data Out Command Non-Data Command DMA Data Transfer Command INTERVAL START host system execute a Soft reset and then retry the command. Deskstar T7K250 Hard Disk Drive Specification 241
  • Hitachi T7K250 | Specifications - Page 258
    . Deskstar T7K250 Hard Disk Drive Specification 242
  • Hitachi T7K250 | Specifications - Page 259
    mark ...67 Command descriptions 113 Command overhead ...15 Command protocol ...107 Command table ...92 Connector locations ...60 Control electronics ...9 Corrosion test ...54 CSA approval ...66 C-TICK mark ...67 Cylinder allocation ...12, 13 D Data In commands ...107 Data Out Commands ...108 Data
  • Hitachi T7K250 | Specifications - Page 260
    features ...5 H Head disk assembly ...9 Head disk assembly data 9 Heads unload ...61 Humidity ...53 I Identification labels ...65 Input voltage ...54 Interface logic signal levels 29 Interface specification ...45 J Jumper pin location ...47 Jumper positions ...49 Jumper settings ...47
  • Hitachi T7K250 | Specifications - Page 261
    L Labels, Identification ...65 Latency, average ...17 Load/unload ...57 M Mechanical specifications 58 Mode transition time ...20 Mounting hole locations 59 Mounting orientation ...60 N Non-data commands ...110 O Operating modes ...20 description 18 Operating shock ...63 P Packaging ...
  • Hitachi T7K250 | Specifications - Page 262
    Function Set 199 Safety ...66 Secondary circuit protection 66 Sector Addressing ...82 Security Mode Feature Set 88 Shock ...62 Signal definitions ...25 Specification ...47 T Temperature ...53 Time-out values ...241 Timings multi word DMA 34 reset 29 Ultra DMA 35 U UL approval ...66 V Vibration
  • Hitachi T7K250 | Specifications - Page 263
    , programs or services do not imply that Hitachi Global Storage Technologies intends to make these available in all countries in which Hitachi Global Storage Technologies operates. Product information is provided for information purposes only and does not constitute a warranty. Information is
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
  • 245
  • 246
  • 247
  • 248
  • 249
  • 250
  • 251
  • 252
  • 253
  • 254
  • 255
  • 256
  • 257
  • 258
  • 259
  • 260
  • 261
  • 262
  • 263
Hard Disk Drive Specification
Deskstar T7K250
3.5 inch Ultra ATA/133 hard disk drive
3.5 inch Serial ATA hard disk drive
Models:
HDT722516DLAT80 HDT722516DLA380
HDT722525DLAT80 HDT722525DLA380
HDT722520DLAT80 HDT722520DLA380
Version 1.8
12 September 2006