Seagate ST3120811AS, ST3120211AS, ST3160211AS, ST3160811AS, ST380211AS, ST380811AS manual Introduction

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1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate Barracuda® 7200.9 Serial ATA model drives:

ST3160811AS	ST3120811AS	ST380811AS	ST340211AS
ST3160211AS	ST3120211AS	ST380211AS

These drives provide the following key features:

•7,200 RPM spindle speed.

•High instantaneous (burst) data-transfer rates (up to 300 Mbytes per second).

•Tunneling Magnetoresistive (TMR) recording heads provide the drives with increased areal density.

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

•Native Command Queueing with command ordering to increase performance in demanding applications.

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

•Quiet operation.

•350 Gs nonoperating shock.

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

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

•Supports latching SATA cables and connectors.

Barracuda 7200.9 Serial ATA Product Manual, Rev. C

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Contents Barracuda 7200.9 Serial ATA Page Contents Barracuda 7200.9 Serial ATA Product Manual, Rev. C List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST3160811AS ST3160211AS Drive specifications summary for 160 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specification ST3120811AS ST3120211AS Drive specifications summary for 120 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specification ST380811AS ST380211AS ST340211AS Drive specifications summary for 80 and 40 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacityRecording and interface technology Physical characteristicsStart/stop times Seek timeTypical seek times msec Read Write Power specifications Conducted noise Typical current profilesVoltage tolerance Sleep mode Power-management modesActive mode Idle modeEnvironmental specifications Nonoperating vibration AcousticsVibration Operating vibrationTest Description Performance level Reference standard Electromagnetic immunityReliability Radio frequency environmentsKorean RRL Safety certificationAgency certification Electromagnetic compatibilityFCC verification Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Corrosive environment Barracuda 7200.9 Serial ATA Product Manual, Rev. C Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewBarracuda 7200.9 Serial ATA Product Manual, Rev. C Hot-Plug compatibility Serial ATA Sata interfacePin Function Definition Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions SignalSupported ATA commands Supported ATA commandsCommand name Command code in hex F4H Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandM.A.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Barracuda 7200.9 Serial ATA Product Manual, Rev. C Technical Support Seagate Technology support servicesInternet Presales SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index RRL Sata Barracuda 7200.9 Serial ATA Product Manual, Rev. C Page Seagate Technology LLC