Seagate ST3400755SS instruction

Table 6:	Commands supported by Cheetah NS SAS family drives (continued)

Command name		Command code	Supported

Reassign Blocks		07h	Y

Receive Diagnostic Results		1Ch	Y

Supported Diagnostics pages (00h)			Y

Translate page (40h)			Y

Release		17h	Y

Release (10)		57h	Y

Request Sense		03h	Y

Actual Retry Count bytes			Y

Extended Sense			Y

Field Pointer bytes			Y

Reserve		16h	Y

3rd Party Reserve			Y

Extent Reservation			N

Reserve (10)		56h	Y

3rd Party Reserve			Y

Extent Reservation			N

Rezero Unit		01h	Y

Search Data Equal		31h	N

Search Data High		30h	N

Search Data Low		32h	N

Seek		0Bh	Y

Seek Extended		2Bh	Y

Send Diagnostics		1Dh	Y

Supported Diagnostics pages (00h)			Y

Translate page (40h)			Y

Set Limits		33h	N

Start Unit/Stop Unit (spindle ceases rotating)		1Bh	Y

Synchronize Cache		35h	Y

Test Unit Ready		00h	Y

Verify		2Fh	Y

BYTCHK bit			Y

Write		0Ah	Y

Write and Verify		2Eh	Y

DPO bit			Y

Write Buffer (modes 0, 2, supported)		3Bh	Y

Firmware Download option			Y
(modes 5, 7, Ah and Bh supported) [3]

Write Extended		2Ah	Y

DPO bit			Y

Cheetah NS SAS Product Manual, Rev. B

45

Image 51

Seagate ST3400755SS manual Commands supported by Cheetah NS SAS family drives

Contents

ST3400755SS Cheetah NS SASPage Contents Interface requirements Defect and error managementInstallation Seagate Technology support services Typical ST3400755SS drive +5V and +12V current profiles List of Figures Cheetah NS SAS Product Manual, Rev. B Scope Cheetah NS SAS Product Manual, Rev. B Electromagnetic susceptibility Standards, compliance and reference documentsStandards Electromagnetic compatibility Compliance Reference documents Cheetah NS SAS Product Manual, Rev. B General description Reliability Standard featuresMedia description Performance ST3400755SS Factory-installed optionsFormatted capacities Programmable drive capacity Cheetah NS SAS Product Manual, Rev. B Seek performance Performance characteristicsInternal drive characteristics Access time Format command execution time minutes General performance characteristicsStart/stop time Prefetch/multi-segmented cache control Cache operationCaching write data Prefetch operation Unrecoverable Errors Reliability specificationsError rates Recoverable Errors Preventive maintenance Reliability and serviceSeek errors Interface errors Reporting control 4 S.M.A.R.TControlling S.M.A.R.T Performance impact Temperature Log Page 0Dh Predictive failuresThermal monitor Invoking DST State of the drive prior to testingDST failure definition Implementation Log page entries Product warrantyShort test Function Code 001b Extended test Function Code 010b Product repair and return information Shipping Cheetah NS SAS Product Manual, Rev. B ST3400755SS DC power requirements Physical/electrical specificationsAC power requirements DC power requirements Current profiles General DC power requirement notesPower sequencing Conducted noise immunity Typical ST3400755SS drive +5V and +12V current profiles Power dissipation Environmental limits Temperature Shock Relative humidityEffective altitude sea level Shock and vibration Recommended mounting Package size Packaged/product weight Drop height Corrosive environment Air cleanlinessVibration Acoustics China Restriction of Hazardous Substances RoHS Directive X表示该部件（于同类物品程度上）所含的危险和有毒物质中国RoHS MCV标准所定义的门槛值。 Physical dimensions Mechanical specifications Cheetah NS SAS Product Manual, Rev. B Defect and error management Drive internal defects/errorsDrive error recovery procedures 77.87 SAS system errors Background Media ScanMedia Pre-Scan Idle Read After Write Deferred Auto-Reallocation Drive orientation Installation Air flow Cooling Grounding Drive mounting Cheetah NS SAS Product Manual, Rev. B Interface requirements SAS features Dual port support Scsi commands supported Commands supported by Cheetah NS SAS family drivesCommand name Command code Supported Commands supported by Cheetah NS SAS family drives Commands supported by Cheetah NS SAS family drives Commands supported by Cheetah NS SAS family drives Mode Sense data Inquiry dataCheetah NS SAS inquiry data Bytes Data hex Page Mode Pages 2.1 ST3400755SS Mode Sense data Miscellaneous status Miscellaneous operating features and conditionsMiscellaneous features Supported Feature or condition SAS physical interface Datum B Connector requirements Physical characteristics SAS pin descriptions Pin Signal name Signal typeElectrical description Pin descriptions Ready LED Out Signal characteristicsPower SAS transmitters and receivers Eye masks Eye masks overview LED drive signalDifferential signals General interface characteristics Normalized time in UI Receive eye maskJitter tolerance masks Absolute amplitude Frequency in kHz Peak-toSinusoidal Jitter Signal characteristica Units Gbps Transmitter signal characteristics Gbps m, n Deterministic jitterq Receiver signal characteristicsSignal characteristic Units Gbps Maximum allowable jitter Impedance requirements Sheet 1 Impedance specificationsReceiver jitter tolerance Compliant jitter test pattern Cjtpat Transmitter characteristics Impedance requirements Sheet 2Electrical TxRx connections = -5,437dB Shows the zero-length test load Receiver characteristics Cheetah NS SAS Product Manual, Rev. B Technical Support Seagate Technology support servicesInternet Presales Support Warranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Numerics IndexPage SAS See also cooling