Seagate ST3146756SS (FDE), ST3146854LC, ST3146356SSIM, ST3300056SS (FDE), ST3450056SS (FDE) Iraw

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environmental control 39 error

management 43 rates 15

errors 43

F

FCC rules and regulations 3 features 8

interface 51 firmware 8

corruption 56

flawed sector reallocation 8

Format command execution time 12 function

complete, code 00 51

not supported, code 05 51 reject, code 04 51

G

Good status 62 gradient 36, 37 ground shift noise 67 grounding 49

H

HDA 47, 49

head and disc assembly. See HDA heads

read/write data 11 heat removal 47 heat source 47

host equipment 49

hot plugging the drive 16 humidity 37

humidity limits 36

I

Idle Read After Write 46 inquiry data 57 installation 47 interface

commands supported 53 error rate 15

errors 16 illustrated 63 physical 62 requirements 51

intermediate/condition met/good status 62 intermediate/good status 62

internal data rate 11 internal defects/errors 43 internal drive characteristics 11

IRAW 46

J

jumpers 47

L

latency

average rotational 11, 12 logical block address 13

logical block reallocation scheme 8 logical block size 8, 12

logical segments 13

M

maintenance 15
maximum delayed motor start 23,								24, 25, 26
maximum start current					23,	24,	25,		26
media description			8
Media Pre-Scan		45
miscellaneous feature support
Adaptive caching				62
Asynchronous event notification								62
Automatic contingent allegiance								62
Deferred error handling						62
Parameter rounding					62
Queue tagging			62
Reporting actual retry count							62
Segmented caching					62
SMP = 1 in Mode Select command									62
Synchronized (locked) spindle operation 62
Zero latency read				62
miscellaneous status support
ACA active		62
ACA active, faulted initiator							62
Busy	62
Check condition				62
Condition met/good					62
Good	62
Intermediate/condition met/good								62
Intermediate/good					62
Reservation conflict					62
Task set full		62
miscorrected media data 15
Mode sense
data, table		57
mounting	49
holes	49
orientations		47

N

noise audible 3

noise immunity 27

82	Cheetah 15K.6 SAS Product Manual, Rev. B

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Contents ST3146356SS ST3450856SSST3300656SS Page Contents Seagate Technology support services Defect and error managementInstallation Interface requirementsScope Model Number Full Disk Encryption FDECheetah 15K.6 SAS Product Manual, Rev. B Electromagnetic compatibility Standards, compliance and reference documentsStandards Electromagnetic susceptibilityCompliance European Union Restriction of Hazardous Substances RoHSReference documents Cheetah 15K.6 SAS Product Manual, Rev. B General description Performance Standard featuresMedia description Formatted capacities Factory-installed optionsReliability Programmable drive capacityCheetah 15K.6 SAS Product Manual, Rev. B Access time Performance characteristicsInternal drive characteristics Seek timeStart/stop time Format command execution time minutesGeneral performance characteristics 176 144 100Prefetch/multi-segmented cache control Cache operationCaching write data Prefetch operationRecoverable 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 MillisecondsPredictive failures Reporting controlDetermining rate Thermal monitorDrive Self Test DST Temperature Log Page 0Dh Parameter Code DescriptionState of the drive prior to testing DST failure definitionShort test Function Code 001b Invoking DSTShort and extended tests Extended test Function Code 010bShipping Product warrantyAbort Product repair and return informationCheetah 15K.6 SAS Product Manual, Rev. B DC power requirements Physical/electrical specificationsAC power requirements ST3450856SS DC power requirementsST3450056SS FDE Gbit mode Amps ST3450056SS FDE DC power requirementsST3300656SS DC power requirements ST3300656SS Gbit mode AmpsST3300056SS FDE Gbit mode Amps ST3300056SS FDE DC power requirementsST3146356SS DC power requirements ST3146356SS Gbit mode AmpsST3146756SS FDE DC power requirements ST3146756SS FDE Gbit mode AmpsCurrent profiles Power sequencingConducted noise immunity Typical 450GB current profiles Typical 146GB current profiles Power dissipation ST3450856SS modelST3450056SS FDE model ST3300656SS model ST3300056SS FDE model ST3146356SS model ST3146756SS FDE model in 3 Gbit operation Temperature Environmental limitsShock and vibration Relative humidityEffective altitude sea level ShockPackage size Packaged/product weight Drop height Recommended mountingAcoustics Air cleanlinessVibration Corrosive environmentMechanical specifications Physical dimensions Cheetah 15K.6 SAS Product Manual, Rev. B Drive error recovery procedures Defect and error managementDrive internal defects/errors 51.87 Media Pre-Scan SAS system errorsBackground Media Scan Deferred Auto-Reallocation Idle Read After WriteCooling InstallationDrive orientation Air flow Drive mounting GroundingCheetah 15K.6 SAS Product Manual, Rev. B SAS features Interface requirementsDual port support Command name Command code Supported Scsi commands supportedCommands supported by Cheetah 15K.6 SAS family drives Commands supported by Cheetah 15K.6 SAS family drives Commands supported by Cheetah 15K.6 SAS family drives Commands supported by Cheetah 15K.6 SAS family drives Inquiry data Bytes Data hexMode Sense data 2.1 ST3450856SS/ST3450056SS Mode Sense data Mode Pages2.2 ST3300656SS/ST3300056SS Mode Sense data 2.3 ST3146356SS/ST3146756SS Mode Sense data Miscellaneous status Miscellaneous operating features and conditionsMiscellaneous features SAS physical interfacePhysical interface Datum B Physical characteristics Connector requirementsPin descriptions Pin Signal name Signal typeElectrical description SAS pin descriptionsSAS transmitters and receivers Signal characteristicsPower Ready LED OutGeneral interface characteristics LED drive signalDifferential signals Eye masks Eye masks overviewAbsolute amplitude Receive eye maskJitter tolerance masks Normalized time in UIJitter Peak-toSinusoidal Frequency in kHzTransmitter signal characteristics Signal characteristica Units GbpsMaximum allowable jitter Receiver signal characteristicsSignal characteristic Units Gbps Compliant jitter test pattern Cjtpat Impedance specificationsReceiver jitter tolerance Impedance requirements Sheet 1Electrical TxRx connections Transmitter characteristicsImpedance requirements Sheet 2 = -5,437dB Shows the zero-length test load Receiver characteristics Cheetah 15K.6 SAS Product Manual, Rev. B Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index NumericsIraw SAS See also cooling