Seagate ST3500620SS, ST31000640SS, ST3750630SS manual Interface requirements, SAS features

Page 47

9.0Interface requirements

This section partially describes the interface requirements as implemented on Barracuda ES.2 drives. Addi- tional information is provided in the SAS Interface Manual (part number 100293071).

9.1SAS features

This section lists the SAS-specific features supported by Barracuda ES.2 drives.

9.1.1task management functions

Table 6 lists the SAS task management functions supported.

Table 6:

SAS task management functions supported

 

 

 

 

Task name

 

Supported

 

 

 

 

Abort Task

 

Yes

 

 

 

 

Clear ACA

 

Yes

 

 

 

Clear task set

Yes

 

 

 

Abort task set

Yes

 

 

 

Logical Unit Reset

Yes

 

 

 

 

Query Task

 

Yes

 

 

 

 

9.1.2task management responses

Table 7 lists the SAS response codes returned for task management functions supported.

Table 7:

Task management response codes

 

 

Function name

Response code

 

 

Function complete

00

 

 

 

Invalid frame

 

02

 

 

Function not supported

04

 

 

Function failed

05

 

 

Function succeeded

08

 

 

Invalid logical unit

09

 

 

 

Barracuda ES.2 SAS Product Manual, Rev. E

43

Image 47
Contents ST31000640SS ST3750630SS ST3500620SS Barracuda ES.2 SASPage Contents Interface requirements Defect and error managementInstallation Seagate Technology support servicesScope Barracuda ES.2 SAS Product Manual, Rev. E Electromagnetic susceptibility Standards, compliance and reference documentsStandards Electromagnetic compatibilityCompliance Reference documents Barracuda ES.2 SAS Product Manual, Rev. E Barracuda ES.2 drive illustration General descriptionReliability Standard featuresMedia description PerformanceProgrammable drive capacity Factory-installed optionsFormatted capacities Barracuda ES.2 SAS Product Manual, Rev. E Seek performance Performance characteristicsInternal drive characteristics Access timeStart/stop time Format command execution time minutesGeneral performance characteristics Caching write data Prefetch/multi-segmented cache controlCache operation 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 impactThermal monitor Temperature Log Page 0DhPredictive failures 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. E 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. E 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 AcousticsX表示该部件(于同类物品程度上)所含的危险和有毒物质超出中国RoHS MCV标准所定义的门槛值。 Physical dimensions Mechanical specificationsDrive error recovery procedures Defect and error managementDrive internal defects/errors 108.29 Media Pre-Scan SAS system errorsBackground Media Scan Idle Read After Write Deferred Auto-ReallocationDrive orientation Installation Air flow CoolingGrounding Drive mountingBarracuda ES.2 SAS Product Manual, Rev. E Interface requirements SAS featuresDual port support Commands supported by Barracuda ES.2 SAS family drives Scsi commands supportedCommands 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 dataPage 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 SAS physical interface Datum B Connector requirements Physical characteristicsSAS pin descriptions Electrical descriptionPin descriptions Ready LED Out Signal characteristicsPower SAS transmitters and receiversEye masks Eye masks overview LED drive signalDifferential signals General interface characteristicsJitter tolerance masks Receive eye maskFrequency in kHz Peak-toSinusoidal JitterTransmitter signal characteristics Maximum allowable jitter Receiver signal characteristicsImpedance requirements Sheet 1 Impedance specificationsReceiver jitter tolerance Compliant jitter test pattern CjtpatElectrical TxRx connections Transmitter characteristicsImpedance requirements Sheet 2 = -5, 437dB Shows the zero-length test load Receiver characteristics Barracuda ES.2 SAS Product Manual, Rev. E Technical Support Seagate Technology support servicesInternet Presales SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index Page SAS See also cooling Page Seagate Technology LLC