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Seagate ST96812AS, ST98823AS, ST94813AS, ST93811AS Introduction, Momentus 5400.2 Sata disc drive

Models: ST93811AS ST94813AS ST9100824AS ST96812AS ST9120821AS ST98823AS

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1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate Momentus® 5400.2 SATA model drives:

•ST9120821AS

•ST9100824AS

•ST98823AS

•ST96812AS

•ST94813AS

•ST93811AS

These drives provide the following key features:

•5,400 RPM spindle speed.

•8 Mbyte buffer.

•High instantaneous (burst) data-transfer rates (up to 150 Mbytes per second).

•Tunneling Magnetoresistive (TMR) recording heads.

•State-of-the-art cache and on-the-fly error-correction algorithms.

•Full-track multiple-sector transfer capability without local processor intervention.

•Quiet operation.

•800 Gs nonoperating shock and 250 Gs of operating shock.

•SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.

•The 3D Defense System™, which includes Drive Defense, Data Defense and Diagnostic Defense, offers the industry’s most comprehensive protection for disc drives.

•Support for S.M.A.R.T. drive monitoring and reporting.

•Support for Read Multiple and Write Multiple commands.

Figure 1. Momentus 5400.2 SATA disc drive

Momentus 5400.2 SATA Product Manual, Rev. C

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Seagate ST96812AS, ST98823AS, ST94813AS, ST93811AS, ST9120821AS, ST9100824AS Introduction, Momentus 5400.2 Sata disc drive

Contents

Momentus 5400.2 Sata Page Contents Momentus 5400.2 Sata Product Manual, Rev. C List of Figures Page Momentus 5400.2 Sata disc drive IntroductionAbout the Serial ATA interface Specification summary table Drive specificationsWarranty information for your drive Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacityRecording and interface technology Physical characteristicsDrive specification Physical organizationTypical seek times msec Read Write Seek timeStart/stop times Typical seek timesPower specifications Additional details Deferred spinupIdle mode Power-management modesPower management modes Active modeEnvironmental specifications Vibration ShockOperating shock Nonoperating shockRadio frequency environments AcousticsElectromagnetic immunity Drive level acousticsAgency certification Safety certificationMeasurement type Specification ReliabilityAustralian C-Tick N176 Korean RRLFCC verification Corrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewMomentus 5400.2 Sata Product Manual, Rev. C Segment Pin Function Definition Serial ATA connector pin definitionsSignal Serial ATA Sata interfaceP10 Ground 2nd mate P11 Reserved Pin Function DefinitionCommand name Command code in hex ATA-standard commands Supported ATA commandsATA-standard security commands Command name Command code in hexMomentus 5400.2 Sata Product Manual, Rev. C Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandA.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Technical Support Seagate Technology support servicesInternet Presales SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index ITE Sata Momentus 5400.2 Sata Product Manual, Rev. C Page Seagate Technology LLC