Manuals / Seagate / Computer Equipment / Computer Drive

Seagate ST31000640SSIM manual Scope

Models: ST31000640SSIM

1 78

Download 78 pages 35.46 Kb

Page 7

1.0Scope

This manual describes Seagate Technology® LLC, Barracuda® ES.2 SAS (Serial Attached SCSI) disk drives.

Barracuda ES.2 drives support the SAS Protocol specifications to the extent described in this manual. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Barracuda ES.2 and other Seagate SAS drives.

Barracuda ES.2 SAS Product Manual, Rev. G

1

Image 7

Seagate ST31000640SSIM manual Scope

Contents

ST31000640SS ST3750630SS ST3500620SS Barracuda ES.2 SASPage General description Performance characteristicsReliability specifications Physical/electrical specificationsInstallation Defect and error managementInterface requirements Seagate Technology Support Services Barracuda ES.2 SAS Product Manual, Rev Scope Barracuda ES.2 SAS Product Manual, Rev. G Electromagnetic susceptibility Standards, compliance and reference documentsStandards Electromagnetic compatibilityCompliance Reference documents Barracuda ES.2 SAS Product Manual, Rev. G Barracuda ES.2 drive illustration General descriptionReliability Standard featuresMedia description PerformanceFormatted capacities Factory-installed optionsProgrammable drive capacity Barracuda ES.2 SAS Product Manual, Rev. G Seek performance Performance characteristicsInternal drive characteristics Access timeGeneral performance characteristics Format command execution time minutesStart/stop time Cache operation Prefetch/multi-segmented cache controlCaching write data Prefetch operation Unrecoverable Errors Reliability specificationsError rates Recoverable ErrorsPreventive maintenance Reliability and serviceSeek errors Interface errorsReporting control 4 S.M.A.R.TControlling S.M.A.R.T Performance impactPredictive failures Temperature Log Page 0DhThermal monitor Invoking DST State of the drive prior to testingDST failure definition ImplementationLog page entries Product warrantyShort test Function Code 001b Extended test Function Code 010bProduct repair and return information ShippingBarracuda ES.2 SAS Product Manual, Rev. G ST31000640SS DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsST3500620SS DC power requirements ST3750630SS DC power requirementsCurrent profiles General DC power requirement notesPower sequencing Conducted noise immunityTypical ST31000640SS drive +5V and +12V current profiles Typical ST3500620SS drive +5V and +12V current profiles Power dissipationBarracuda ES.2 SAS Product Manual, Rev. G Environmental limits Temperature a. OperatingShock Relative humidityEffective altitude sea level a. Operating Shock and vibrationPackage size Packaged/product weight Drop height Corrosive environment Air cleanlinessVibration a. Operating-normal AcousticsSee Section Barracuda ES.2 SAS Product Manual, Rev. G Physical dimensions Mechanical specificationsDrive internal defects/errors Defect and error managementDrive error recovery procedures 108.29 Background Media Scan SAS system errorsMedia Pre-Scan Idle Read After Write Deferred Auto-ReallocationDrive orientation InstallationAir flow CoolingGrounding Drive mountingBarracuda ES.2 SAS Product Manual, Rev. G Interface requirements SAS featuresDual port support Commands supported by Barracuda ES.2 SAS family drives Scsi commands supportedCommand name Command code Supported Commands supported by Barracuda ES.2 SAS family drives Commands supported by Barracuda ES.2 SAS family drives Commands supported by Barracuda ES.2 SAS family drives Inquiry data Mode Sense dataBarracuda ES.2 SAS inquiry data Bytes Data hex Page Mode Pages 2.1 ST31000640SS Mode Sense data2.2 ST3750630SS Mode Sense data 2.3 ST3500620SS Mode Sense data Miscellaneous status Miscellaneous operating features and conditionsMiscellaneous features Supported Feature or conditionSAS physical interface Datum B Connector requirements Physical characteristicsSAS pin descriptions Pin Signal name Signal typeElectrical description Pin descriptionsReady LED Out Signal characteristicsPower SAS transmitters and receiversEye masks Eye masks overview LED drive signalDifferential signals General interface characteristicsNormalized time in UI Receive eye maskJitter tolerance masks Absolute amplitudeFrequency in kHz Peak-toSinusoidal JitterSignal characteristica Units Gbps Transmitter signal characteristicsGbps m, n Deterministic jitterq Receiver signal characteristicsSignal characteristic Units Gbps Maximum allowable jitterImpedance requirements Sheet 1 Impedance specificationsReceiver jitter tolerance Compliant jitter test pattern CjtpatImpedance requirements Sheet 2 Transmitter characteristicsElectrical TxRx connections = -5,437dB Shows the zero-length test load Receiver characteristics Barracuda ES.2 SAS Product Manual, Rev. G