Seagate ST3450856SS, ST3146356SS, ST3300656SS manual Index, Numerics

Page 83

Index

Numerics

12 volt pins 63

5 volt pins 63

A

abort task set function 47 AC coupling 63

AC power requirements 23 ACA active status 58

ACA active, faulted initiator status 58

acoustics		35
active LED Out signal					63
actuator
assembly design					7
adaptive caching				58
AFR 9
air cleanliness			35
air flow	44
illustrated			44
air inlet	44
altitude	33
ambient		32
ambient temperature					44
ANSI documents
SCSI		5
Serial Attached SCSI						5
asynchronous event notification							58
audible noise			3
auto write and read reallocation
programmable				8
automatic contingent allegiance							58
average idle current					23,	24
average rotational latency						11

B

Background Media Scan 41 backpanel 62

BMS 41 buffer

data 8 space 13

busy status 58

C

cache operation 13 cache segments 13 caching write data 14

Canadian Department of Communications 3 capacity

unformatted 11 check condition status 58 chemical pollutants 36 class B limit 3

clear ACA function 47 clear task set function 47 commands supported 49 condensation 33 condition met/good status 58 connector

illustrated 61 requirements 61

continuous vibration 35 cooling 44

corrosive environment 35

CRC

error 16 Current profiles 25 customer service 21

D

DAR 42 data heads

read/write 11 data rate

internal 11 data transfer rate 12 DC power 62

requirements 23

defect and error management 39 defects 39

Deferred Auto-Reallocation 42 deferred error handling 58 description 7

dimensions 36

disc rotation speed 11 drive 35

drive characteristics 11 drive mounting 36, 45 drive select 62

dual port support 48

E

electrical

description of connector 62 signal characteristics 63 specifications 23

electromagnetic compatibility 3 electromagnetic susceptibility 36 EMI requirements 3 environment 44 environmental

limits 32 requirements 15

Cheetah 15K.6 SAS Product Manual, Rev. A

77

Image 83

Contents ST3450856SS ST3300656SS ST3146356SS Cheetah 15K.6 SASPage Contents Interface requirements Defect and error managementInstallation Seagate Technology support servicesCheetah 15K.6 SAS disk drive List of FiguresCheetah 15K.6 SAS Product Manual, Rev. a Cheetah 15K.6 SAS disk drive ScopeCheetah 15K.6 SAS Product Manual, Rev. a Electromagnetic susceptibility Standards, compliance and reference documentsStandards Electromagnetic compatibilityEuropean Union Restriction of Hazardous Substances RoHS ComplianceReference documents Cheetah 15K.6 SAS Product Manual, Rev. a General description Performance Standard featuresMedia description Formatted capacities Factory-installed accessoriesOptions factory installed ReliabilityCheetah 15K.6 SAS Product Manual, Rev. a Seek time Performance characteristicsInternal drive characteristics Access timeStart/stop time Format command execution time minutesGeneral performance characteristics Cache operation Prefetch/multi-segmented cache controlPrefetch operation Caching write dataUnrecoverable Errors Reliability specificationsError rates Recoverable ErrorsPreventive maintenance Reliability and serviceSeek errors Interface errorsMilliseconds 4 S.M.A.R.TControlling S.M.A.R.T Performance impactThermal monitor Reporting controlDetermining rate Predictive failuresParameter Code Description Temperature Log Page 0DhPrimary Temperature Reference TemperatureShort test Function Code 001b State of the drive prior to testingInvoking DST Short and extended testsProduct repair and return information Product warrantyAbort ShippingCheetah 15K.6 SAS Product Manual, Rev. a ST3450856SS DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsST3146356SS Gbit mode Amps ST3300656SS DC power requirementsST3146356SS DC power requirements ST3300656SS Gbit mode AmpsCurrent profiles General DC power requirement notesPower sequencing Conducted noise immunityTypical ST3450856SS current profiles Typical ST3300656SS current profiles Typical ST3146356SS current profiles ST3450856SS in 3 Gbit operation Power dissipationST3300656SS in 3 Gbit operation ST3300656SS CURRENT/POWER vs Throughput SAS 3.0GBRandom 8 Block Reads ST3146356SS CURRENT/POWER vs Throughput SAS 3.0GBST3146356SS in 3 Gbit operation Environmental limits TemperatureShock Relative humidityEffective altitude sea level Shock and vibrationRecommended mounting Package size Packaged/product weight Drop heightCorrosive environment Air cleanlinessVibration AcousticsMechanical specifications Physical dimensions Cheetah 15K.6 SAS Product Manual, Rev. a Drive error recovery procedures Defect and error managementDrive internal defects/errors 51.87 Media Pre-Scan SAS system errorsBackground Media Scan Idle Read After Write Deferred Auto-ReallocationDrive orientation InstallationAir flow CoolingGrounding Drive mountingCheetah 15K.6 SAS Product Manual, Rev. a Interface requirements SAS featuresDual 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 Bytes Data hex Mode Sense dataInquiry data Page Mode Pages 2.1 ST3450856SS Mode Sense data2.2 ST3300656SS Mode Sense data 2.3 ST3146356SS Mode Sense data Miscellaneous 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 CjtpatElectrical TxRx connections Transmitter characteristicsImpedance requirements Sheet 2 = -5,437dB Shows the zero-length test load Receiver characteristics Cheetah 15K.6 SAS Product Manual, Rev. a Technical Support Seagate Technology support servicesInternet Presales SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Numerics IndexPage SAS See also cooling