SAS physical interface, Physical interface | Seagate ST31000640SSIM

9.4.1SAS physical interface

Figure 12 shows the location of the SAS device connector J1. Figures 13 and 14 provide the dimensions of the SAS device.

Details of the physical, electrical, and logical characteristics are provided within this section. The operational aspects of Seagate’s SAS drives are provided in the SAS Interface Manual..

Figure 12. Physical interface

Barracuda ES.2 SAS Product Manual, Rev. G

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Seagate ST31000640SSIM manual SAS physical interface, Physical interface

Contents

ST31000640SS ST3750630SS ST3500620SS Barracuda ES.2 SASPage Reliability specifications Performance characteristicsPhysical/electrical specifications General description Installation 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 Standards Standards, compliance and reference documentsElectromagnetic compatibility Electromagnetic susceptibility Compliance Reference documents Barracuda ES.2 SAS Product Manual, Rev. G Barracuda ES.2 drive illustration General description Media description Standard featuresPerformance Reliability Formatted capacities Factory-installed optionsProgrammable drive capacity Barracuda ES.2 SAS Product Manual, Rev. G Internal drive characteristics Performance characteristicsAccess time Seek performance General performance characteristics Format command execution time minutesStart/stop time Cache operation Prefetch/multi-segmented cache controlCaching write data Prefetch operation Error rates Reliability specificationsRecoverable Errors Unrecoverable Errors Seek errors Reliability and serviceInterface errors Preventive maintenance Controlling S.M.A.R.T 4 S.M.A.R.TPerformance impact Reporting control Predictive failures Temperature Log Page 0DhThermal monitor DST failure definition State of the drive prior to testingImplementation Invoking DST Short test Function Code 001b Product warrantyExtended test Function Code 010b Log page entries Product repair and return information Shipping Barracuda ES.2 SAS Product Manual, Rev. G AC power requirements Physical/electrical specificationsDC power requirements ST31000640SS DC power requirements ST3500620SS DC power requirements ST3750630SS DC power requirements Power sequencing General DC power requirement notesConducted noise immunity Current profiles Typical ST31000640SS drive +5V and +12V current profiles Typical ST3500620SS drive +5V and +12V current profiles Power dissipation Barracuda ES.2 SAS Product Manual, Rev. G Environmental limits Temperature a. Operating Effective altitude sea level a. Operating Relative humidityShock and vibration Shock Package size Packaged/product weight Drop height Vibration a. Operating-normal Air cleanlinessAcoustics Corrosive environment See Section Barracuda ES.2 SAS Product Manual, Rev. G Physical dimensions Mechanical specifications Drive 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-Reallocation Drive orientation Installation Air flow Cooling Grounding Drive mounting Barracuda ES.2 SAS Product Manual, Rev. G Interface requirements SAS features Dual 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 data 2.2 ST3750630SS Mode Sense data 2.3 ST3500620SS Mode Sense data Miscellaneous features Miscellaneous operating features and conditionsSupported Feature or condition Miscellaneous status SAS physical interface Datum B Connector requirements Physical characteristics Electrical description Pin Signal name Signal typePin descriptions SAS pin descriptions Power Signal characteristicsSAS transmitters and receivers Ready LED Out Differential signals LED drive signalGeneral interface characteristics Eye masks Eye masks overview Jitter tolerance masks Receive eye maskAbsolute amplitude Normalized time in UI Sinusoidal Peak-toJitter Frequency in kHz Signal characteristica Units Gbps Transmitter signal characteristics Signal characteristic Units Gbps Receiver signal characteristicsMaximum allowable jitter Gbps m, n Deterministic jitterq Receiver jitter tolerance Impedance specificationsCompliant jitter test pattern Cjtpat Impedance requirements Sheet 1 Impedance 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