Seagate ST3400755SS manual Commands supported by Cheetah NS SAS family drives

Page 51

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
Contents ST3400755SS Cheetah NS SASPage Contents Interface requirements Defect and error managementInstallation Seagate Technology support servicesTypical ST3400755SS drive +5V and +12V current profiles List of FiguresCheetah NS SAS Product Manual, Rev. B Scope Cheetah NS SAS Product Manual, Rev. B Electromagnetic susceptibility Standards, compliance and reference documentsStandards Electromagnetic compatibilityCompliance Reference documents Cheetah NS SAS Product Manual, Rev. B General description Reliability Standard featuresMedia description PerformanceST3400755SS Factory-installed optionsFormatted capacities Programmable drive capacityCheetah NS SAS Product Manual, Rev. B Seek performance Performance characteristicsInternal drive characteristics Access timeFormat 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 ErrorsPreventive maintenance Reliability and serviceSeek errors Interface errorsReporting control 4 S.M.A.R.TControlling S.M.A.R.T Performance impactTemperature Log Page 0Dh Predictive failuresThermal 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 ShippingCheetah NS SAS Product Manual, Rev. B ST3400755SS DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsCurrent profiles General DC power requirement notesPower sequencing Conducted noise immunityTypical ST3400755SS drive +5V and +12V current profiles Power dissipationEnvironmental limits TemperatureShock Relative humidityEffective altitude sea level Shock and vibrationRecommended mounting Package size Packaged/product weight Drop heightCorrosive environment Air cleanlinessVibration AcousticsChina 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 specificationsCheetah 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-ReallocationDrive orientation InstallationAir flow CoolingGrounding Drive mountingCheetah NS SAS Product Manual, Rev. B Interface requirements SAS featuresDual 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 dataMiscellaneous 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 CjtpatTransmitter 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 SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Numerics IndexPage SAS See also cooling