Seagate ST3750630SS manual Miscellaneous operating features and conditions, Miscellaneous features

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9.4Miscellaneous operating features and conditions

Table 10 lists various features and conditions. A “Y” in the support column indicates the feature or condition is supported. An “N” in the support column indicates the feature or condition is not supported.

Table 10:	Miscellaneous features

Supported		Feature or condition

N		Automatic contingent allegiance

N		Asynchronous event notification

N		Synchronized (locked) spindle operation

Y		Segmented caching

N		Zero latency read

Y		Queue tagging (up to 128 queue tags supported)

Y		Deferred error handling

Y		Parameter rounding (controlled by Round bit in Mode Select page 0)

Y		Reporting actual retry count in Extended Sense bytes 15, 16, and 17

N		Adaptive caching

Y		SMP = 1 in Mode Select command needed to save RPL and rotational offset bytes

Table 11:	Miscellaneous status

Supported		Status

Y		Good

Y		Check condition

Y		Condition met/good

Y		Busy

Y		Intermediate/good

Y		Intermediate/condition met/good

Y		Reservation conflict

Y		Task set full

N		ACA active

N		ACA active, faulted initiator

54	Barracuda ES.2 SAS Product Manual, Rev. E

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Contents Barracuda ES.2 SAS ST31000640SS ST3750630SS ST3500620SSPage Contents Seagate Technology support services Defect and error managementInstallation Interface requirementsScope Barracuda ES.2 SAS Product Manual, Rev. E Electromagnetic compatibility Standards, compliance and reference documentsStandards Electromagnetic susceptibilityCompliance Reference documents Barracuda ES.2 SAS Product Manual, Rev. E General description Barracuda ES.2 drive illustrationPerformance Standard featuresMedia description ReliabilityFormatted capacities Factory-installed optionsProgrammable drive capacity Barracuda ES.2 SAS Product Manual, Rev. E Access time Performance characteristicsInternal drive characteristics Seek performanceGeneral performance characteristics Format command execution time minutesStart/stop time Cache operation Prefetch/multi-segmented cache controlCaching write data Prefetch operation Recoverable Errors Reliability specificationsError rates Unrecoverable ErrorsInterface errors Reliability and serviceSeek errors Preventive maintenancePerformance impact 4 S.M.A.R.TControlling S.M.A.R.T Reporting controlPredictive failures Temperature Log Page 0DhThermal monitor Implementation State of the drive prior to testingDST failure definition Invoking DSTExtended test Function Code 010b Product warrantyShort test Function Code 001b Log page entriesShipping Product repair and return informationBarracuda ES.2 SAS Product Manual, Rev. E DC power requirements Physical/electrical specificationsAC power requirements ST31000640SS DC power requirementsST3750630SS DC power requirements ST3500620SS DC power requirementsConducted noise immunity General DC power requirement notesPower sequencing Current profilesTypical ST31000640SS drive +5V and +12V current profiles Power dissipation Typical ST3500620SS drive +5V and +12V current profilesBarracuda ES.2 SAS Product Manual, Rev. E Temperature a. Operating Environmental limitsShock and vibration Relative humidityEffective altitude sea level a. Operating ShockPackage size Packaged/product weight Drop height Acoustics Air cleanlinessVibration a. Operating-normal Corrosive environmentX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。 Mechanical specifications Physical dimensionsDrive internal defects/errors Defect and error managementDrive error recovery procedures 108.29 Background Media Scan SAS system errorsMedia Pre-Scan Deferred Auto-Reallocation Idle Read After WriteInstallation Drive orientationCooling Air flowDrive mounting GroundingBarracuda ES.2 SAS Product Manual, Rev. E SAS features Interface requirementsDual port support Scsi commands supported Commands supported by Barracuda ES.2 SAS family drivesCommands 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 Mode Sense data Inquiry dataPage 2.1 ST31000640SS Mode Sense data Mode Pages2.2 ST3750630SS Mode Sense data 2.3 ST3500620SS Mode Sense data Miscellaneous features Miscellaneous operating features and conditionsMiscellaneous status SAS physical interface Datum B Physical characteristics Connector requirementsPin descriptions Electrical descriptionSAS pin descriptions SAS transmitters and receivers Signal characteristicsPower Ready LED OutGeneral interface characteristics LED drive signalDifferential signals Eye masks Eye masks overviewReceive eye mask Jitter tolerance masksJitter Peak-toSinusoidal Frequency in kHzTransmitter signal characteristics Receiver signal characteristics Maximum allowable jitterCompliant jitter test pattern Cjtpat Impedance specificationsReceiver jitter tolerance Impedance requirements Sheet 1Impedance requirements Sheet 2 Transmitter characteristicsElectrical TxRx connections = -5, 437dB Shows the zero-length test load Receiver characteristics Barracuda ES.2 SAS Product Manual, Rev. E Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index Page SAS See also cooling Page Seagate Technology LLC