Hitachi HTS541640J9SA00, HTS541680J9SA00 Preventive maintenance, Load/unload, Emergency unload

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Travelstar 5K160 (SATA) Hard Disk Drive Specification

6.3.5Preventive maintenance

None.

6.3.6Load/unload

The product supports a minimum of 600,000 normal load/unloads.

Load/unload is a functional mechanism of the hard disk drive. It is controlled by the drive micro code. Specifically, unloading of the heads is invoked by the following commands:

COMRESET Standby Standby immediate Sleep

Load/unload is also invoked as one of the idle modes of the drive.

The specified start/stop life of the product assumes that load/unload is operated normally, not in emergency mode.

6.3.6.1Emergency unload

When hard disk drive power is interrupted while the heads are still loaded the micro code cannot operate and the normal 5-volt power is unavailable to unload the heads. In this case, normal unload is not possible. The heads are unloaded by routing the back EMF of the spinning motor to the voice coil. The actuator velocity is greater than the normal case and the unload process is inherently less controllable without a normal seek current profile.

Emergency unload is intended to be invoked in rare situations. Because this operation is inherently uncontrolled, it is more mechanically stressful than a normal unload.

The drive supports a minimum of 20,000 emergency unloads.

6.3.6.2Required Power-Off Sequence

The required host system sequence for removing power from the drive is as follows: Step 1: Issue one of the following commands.

Standby

Standby immediate Sleep

Note: Do not use the Flush Cache command for the power off sequence because this command does not invoke Unload.

Step 2: Wait until the Command Complete status is returned.

In a typical case 350 ms are required for the command to finish completion; however, the host system time out value needs to be 30 seconds considering error recovery time. Refer to section 14.0, "Time-out values," on page 193.

Step 3: Terminate power to HDD.

This power-down sequence should be followed for entry into any system power-down state, system suspend state, or system hibernation state. In a robustly designed system, emergency unload is limited to rare scenarios, such as battery removal during operation.

6.3.6.3Power switch design considerations

In systems that use the Travelstar 5K160 consideration should be given to the design of the system power switch.

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Contents Hitachi Travelstar 5K160 167Copyright Hitachi Global Storage Technologies Table of Contents 11.6 14.30 Limits of temperature and humidity Read Verify Sectors Ext Command 42h List of Tables General Introduction AbbreviationsCapacity GB ISO 10/16711/167 General caution Drive handling precautionsReferences 12/167Outline of the drive 13/167Part 1 Functional Specification 14/167Control Electronics Head disk assembly dataFixed disk subsystem description 15/167Description HTS541616J9SA00 HTS541612J9SA00 Physical Layout Fixed disk characteristicsFormatted capacity by model number Logical LayoutData sheet Cylinder allocation80GB/p format Zone Function Performance characteristicsCommand overhead 18/167Full stroke seek Mechanical positioningAverage seek time including settling Average latencyMax. sec Ready Drive ready timeCondition Typical sec 20/167Adaptive power save control Mode transition timeOperating mode at power on Operating modesData integrity Data loss on power offWrite safety Write CacheError recovery Data buffer testAutomatic reallocation ECC 24/167Environment SpecificationTemperature and humidity Corrosion testMagnetic fields Radiation noiseConductive noise Frequency KHz Limits uT RMSDC power requirements Requirements27/167 Power consumption efficiency Power consumption efficiency 28/167Capacity 160GB 120GB 80GB 40GB Data reliability Service life and usage conditionReliability Failure prediction S.M.A.R.TPower switch design considerations Preventive maintenanceRequired Power-Off Sequence Load/unloadTest considerations 31/167Mechanical specifications Physical dimensions and weightMounting hole locations Mounting orientation Load/unload mechanism33/167 Random vibration Vibration and shockOperating vibration Swept sine vibrationNonoperating vibration Operating shockNonoperating shock Mode definitions Sound power levelWeighted Sound Power Typical Bels Maximum Bels AcousticsIdentification labels Electromagnetic compatibilitySafety PackagingSubstance restriction requirements Cabling Electrical interface specificationsInterface connector 39/1671 TX+ / TX Signal definitionsPlug Connector pin definition Signal 2 RX+ / RXOut of band signaling Shows the timing of COMRESET, Cominit and ComwakePart 2 Interface Specification 42/167Terminology GeneralIntroduction Device Device indicates HTS5416XXJ9SA00 HostRegisters Deviations from StandardPhysical Interface Register naming conventionDevice Control Register Command registerError Register Device RegisterLBA Low Register Features RegisterLBA High Register LBA Mid RegisterSector Count Register Status RegisterReset Response General Operation DescriptionsRegister Initialization Diagnostic and Reset considerations Power-off considerationsExecute Device Diagnostic Logical CHS Addressing Mode Sector Addressing ModeRequired power-off sequence Emergency unloadPower Mode Power Management FeatureLBA Addressing Mode Power Management CommandsInitial Power Mode at Power On Standby/Sleep command completion timingInterface Capability for Power Modes StatusActive Idle mode Interface Power Management Mode Slumber and PartialPerformance Idle mode Low Power Idle mode12.8 S.M.A.R.T. Function Security mode Security Mode Feature Set12.8.6 S.M.A.R.T operation with power management modes PasswordUser Password setting Master Password Revision CodeMaster Password setting Operation from POR after User Password is setUser Password Lost 57/167Command Table Attempt limit for Security Unlock commandCommand table for device lock operation 59/167 Protected Area Function Read Native Max Address ‘F8’h Set Max Address ‘F9’h60/167 Example for operation In LBA mode Capacity native 536,870,912Set Max security extension commands Word Content17-255 Reassign Function Seek OverlapWrite Cache Function 63/167Non recovered read errors 12.14 48-bit Address Feature SetNon recovered write errors Recovered read errorsPreserved software settings Software Setting Preservation Feature SetNative Command Queuing Setting ContentsCommand Protocol Data In Commands66/167 Data Out Commands Non-Data CommandsRead DMA Read DMA Ext Write DMA Write DMA Ext DMA Data Transfer CommandsFirst-parity DMA Commands Read Fpdma Queued Write Fpdma QueuedCommand Descriptions Write Log Ext Protocol Command Code HexA.R.T. Read Attribute Thresholds A.R.T. Read Log Sector Write Sectors Write Sectors ExtCommand Subcommand Command code Feature Hex Output RegistersIndicates that the bit must be set to 71/167 Input Registers 72/167Device Command Status See Below Error Register Check Power Mode E5h/98hRegister Data Feature Error See Below Sector Count LBA Low LBA Mid LBA HighDevice Configuration Overlay B1h Device Configuration Restore subcommand C0hDevice Configuration Freeze Lock subcommand C1h LBA High 03h = word 3 is invalid LBA Mid 00h Device Configuration Identify subcommand C2hDevice Configuration SET subcommand C3h Sector count 06h = Protected area is now established= Ultra DMA mode 1 and below are supported = Ultra DMA mode 3 and below are supported= Ultra DMA mode 2 and below are supported = Ultra DMA mode 0 is supportedExecute Device Diagnostic 90h 77/167Command Block Output Registers Flush Cache E7hLBA Mid Current Flush Cache Ext EAhLBA Low Current LBA High CurrentFormat Track 50h Vendor Specific Output Parameters To The Device LBA LowLBA High/Mid Format Unit F7h Vendor Specific 81/167Identify Device response is complete Number of heads in default translate modeIdentify Device ECh 37C8h10-19 23-26 27-46 0003H 00xxHTravelstar 5K160 Sata Hard Disk Drive Specification Sata Gen-2 speed 3.0Gbps supported Native Command Queuing supportedRequests Sata Gen-1 speed 1.5Gbps supported00FCH FUA EXT commands supported =IDLE Immediate with Unload Feature=WRITE DMA Queued FUA EXT command =General Purpose Logging feature set supportedEnabled =READ/WRITE DMA Queued command112-118 0000H Reserved 119 4000H Maximum user LBA address for 48-bit Address feature set word Idle E3h/97h Output Parameters To The DeviceIdle Immediate E1h/95h 92/167Initialize Device Parameters 91h Read Buffer E4h 94/167Read DMAC8h/C9h Output Parameters To The Device Sector CountRead DMA Ext 25h 96/167Data left by previously processed Read or Write commands Read Fpdma Queued 60h97/167 Read Log Ext2Fh Log Address definition 98/167Extended comprehensive Smart error log General purpose Log DirectoryExtended Error log data structure Error Log versionError log index 100/167Device error count Extended Self-test log sector101/167 Self-test descriptor index Command ErrorSelf-test log data structure revision number Extended Self-test log descriptor entryCounter Identifiers Counter Reset MechanismsPhy Event Counter 103/167Phy Event Counter information Read Log Ext Log Page 11hPhy Event Counter Identifier 104/167Read Long 22h/23h Read Multiple Command C4h Read Multiple C4hLBA Low Current Read Multiple Ext 29hOutput Parameters To The Device Sector Count Current Input Parameters From The Device LBA Low HOB=0Read Native Max Address F8h Read Native Max Address Ext 27h 109/167Read Sectors 20h/21h Head number of the last transferred sector. L=0110/167 Read Sectors Ext 24h 111/167Will be verified Error occursRead Verify Sectors 40h/41h 112/167Read Verify Sectors Ext 42h 113/167Recalibrate 1xh 114/167Security Disable Password F6h Security Erase Prepare F3h 116/167Security Erase Unit F4h IdentifierHTS541680J9SA00 HTS541616J9SA00HTS541612J9SA00 HTS541660J9SA00Security Freeze Lock F5h Security level 1-Maximum, 0-High Security Set Password F1h01-16 Password 32 bytes 17-18 19-255 ReservedRevision Code PasswordSecurity Level Identifier=User / Security level = HighRegards Password as Master Password Security Unlock F2hIdentifier 1-Master, 0-User Seek. L=1 Seek 7xhCylinder number of the seek Head number of the seekOutput Parameters To The Device Feature Sense Condition F0h vendor specificSet Features EFh Deepest Power Saving mode is Low power Idle Set Max Address F9h 04h Input Parameters From The Device LBA LowSet Max Address Ext 37h 130/167 Set Multiple C6h Sleep E6h/99h 132/16714.40 S.M.A.R.T Function Set B0h 14.40.1 S.M.A.R.T. Sub commands14.40.1.1S.M.A.R.T. Read Attribute Values Subcommand D0h 133/16714.40.1.4S.M.A.R.T. Save Attribute Values Subcommand D3h LBA Mid ErrorStatus LBA High14.40.1.8S.M.A.R.T. Enable Operations Subcommand D8h 14.40.1.6S.M.A.R.T. Read Log Sector Subcommand D5h14.40.1.7S.M.A.R.T. Write Log Sector Subcommand D6h 136/167F8h Enable Automatic Off-line F9h 14.40.1.9S.M.A.R.T. Disable Operations Subcommand D9h14.40.1.10 S.M.A.R.T. Return Status Subcommand DAh 137/167Device Attributes Data Structure Data Structure Revision Number138/167 Individual Attribute Data Structure Attribute NameBit Automatic Off-Line Data Collection Status Off-Line Data Collection StatusSelf-test execution status Value DefinitionOff-Line Data Collection Capability Error Logging CapabilityCurrent Segment Pointer 14.40.2.8 S.M.A.R.T. CapabilityData Structure Checksum Device Attribute Thresholds Data StructureSelf-test completion time Individual Thresholds Data StructureAttribute ID Numbers 14.40.5 S.M.A.R.T. error log sector14.40.4 S.M.A.R.T. Log Directory Attribute Threshold14.40.5.1 S.M.A.R.T. error log version Error log pointerError log data structure Self-test log data structure Selective self-test log data structureError Reporting Error Condition1FCh Reserved 1FEh Data structure checksum 1FFh 512 Standby E2h/96h Standby Immediate E0h/94h 148/167Write Buffer E8h 149/167Write DMA CAh/CBh Contains current LBA bits 24 27. L=1150/167 Write DMA Ext 35h 151/167Write DMA FUA Ext 3Dh 152/167Output Parameters To The Device Feature Current Write Fpdma Queued 61hWrite Log Ext 3Fh 154/167Write Long 32h/33h Write Multiple C5h Write Multiple Ext 39h 157/167Write Multiple FUA Ext CEh 158/167Write Sectors 30h/31h 159/167Write Sectors Ext 34h 160/167Timings Erase Unit F4h on Specific on162/167 Index Mounting orientation Non-data commands EnvironmentService life Set Features Physical dimensions PIO Data In commandsPower management features Shock Signal definitions Sleep149 166/167Copyright Hitachi Global Storage Technologies
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HTS541640J9SA00, HTS541616J9SA00, HTS541680J9SA00, HTS541612J9SA00, HTS541660J9SA00 specifications

The Hitachi HTS541660J9SA00, HTS541640J9SA00, HTS541616J9SA00, HTS541680J9SA00, and HTS541612J9SA00 are a series of hard disk drives that showcase Hitachi's commitment to high-performance storage solutions. These drives belong to the Travelstar series, which is designed primarily for mobile computing applications, such as laptops and external storage devices. Their compact design and reliable performance make them suitable for users seeking efficient storage in portable settings.

One of the primary features of these drives is their SATA interface, which allows for fast data transfer rates, thereby enhancing overall system performance. The SATA II interface provides a maximum transfer rate of up to 3.0 Gbps, ensuring that these drives can keep up with the demands of modern computing.

The storage capacity of these models varies, with options such as 160GB, 250GB, and 320GB, catering to diverse user needs for both personal and professional use. The HTS541660J9SA00 provides a generous 160GB capacity, while the HTS541680J9SA00 offers up to 320GB, making them suitable for users who require significant storage space for media files, applications, and documents.

In terms of performance, these hard drives boast a rotational speed of 5400 RPM, striking an optimal balance between speed and energy efficiency. This speed ensures relatively quick access times while consuming less power compared to faster 7200 RPM drives, making them ideal for battery-powered devices.

Another significant characteristic of these drives is the use of Hitachi’s Advanced Format technology. This technology increases the physical sector size of the drives to 4KB, enhancing error correction and overall data integrity. This larger sector size allows for greater data efficiency, significantly reducing the overhead associated with data storage.

Furthermore, these drives are designed with Shock Protection technology, which helps to safeguard the drive's internal components from physical shocks caused by accidental drops or bumps. This feature is especially important for mobile storage solutions, where portability can lead to unintentional impacts.

In conclusion, the Hitachi HTS541660J9SA00, HTS541640J9SA00, HTS541616J9SA00, HTS541680J9SA00, and HTS541612J9SA00 hard disk drives are exemplary choices for anyone seeking reliable, efficient, and portable storage solutions. With their combination of adequate capacity, enhanced data management technologies, and robust design, these drives effectively meet the demands of today’s mobile computing needs.
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