Seagate ST3146356SSIM, ST3146854LC, ST3146756SS (FDE), ST3300056SS (FDE), ST3450056SS (FDE) manual Sas

Page 87

non-operating 37, 39 temperature 36

non-operating vibration 39

O

office environment 39 operating 37, 39 option selection 66 out-of-plane distortion 49

P

package size 38

package test specification 5 packaged 38

parameter rounding 62 PCBA 49

peak bits per inch 11

peak operating current 23, 24, 25, 26 peak-to-peak measurements 27 performance characteristics

detailed 11 general 12

performance degradation 37 performance highlights 8 physical damage 39 physical dimensions 40 physical interface 62 physical specifications 23 pin descriptions 66

power 67 dissipation 30 requirements, AC 23 requirements, DC 23 sequencing 27

power distribution 3 prefetch/multi-segmented cache control 13 preventive maintenance 15

Q

queue tagging 62

R

radio interference regulations 3 RCD bit 13

read error rates 15, 43 read/write data heads 11 receivers 67 recommended mounting 38 Recoverable Errors 15 recovered media data 15 reference

documents 5 relative humidity 37

reliability 9 specifications 15

reliability and service 16

repair and return information 21

reporting actual retry count	62
reservation conflict status	62

resonance 37

return information 21 rotation speed 11

S

safety	3
SAS
interface				66
physical interface							62
task management functions									51
SAS documents					5		3,
SAS Interface Manual							3,	5
SCSI interface
commands supported								53
seek error
defined			16
rate 15
seek performance characteristics									11
seek time
average typical						11
full stroke typical							11
single track typical							11
segmented caching						62
Self-Monitoring Analysis and Reporting Technology
	9,	17
Serial Attached SCSI (SAS) Interface Manual 1
shielding		3
shipping		21
shipping container						36
shock	37
and vibration					37
shock mount				49
signal
characteristics						67
single-unit shipping pack kit								9
SMART	9,		17
SMP = 1 in Mode Select command 62
spindle brake				8
standards		3
start/stop time				12
Sulfur	40
support services					79
surface stiffness
allowable for non-flat surface									49
switches		47
synchronized spindle
operation				62
system chassis					49

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

83

Image 87

Contents ST3450856SS ST3300656SSST3146356SS Page Contents Interface requirements Defect and error managementInstallation Seagate Technology support servicesModel Number Full Disk Encryption FDE ScopeCheetah 15K.6 SAS Product Manual, Rev. B Electromagnetic susceptibility Standards, compliance and reference documentsStandards Electromagnetic compatibilityEuropean Union Restriction of Hazardous Substances RoHS ComplianceReference documents Cheetah 15K.6 SAS Product Manual, Rev. B General description Standard features Media descriptionPerformance Programmable drive capacity Factory-installed optionsReliability Formatted capacitiesCheetah 15K.6 SAS Product Manual, Rev. B Seek time Performance characteristicsInternal drive characteristics Access time176 144 100 Format command execution time minutesGeneral performance characteristics Start/stop timeCache 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 failuresDST failure definition Temperature Log Page 0Dh Parameter Code DescriptionState of the drive prior to testing Drive Self Test DSTExtended test Function Code 010b Invoking DSTShort and extended tests Short test Function Code 001bProduct repair and return information Product warrantyAbort ShippingCheetah 15K.6 SAS Product Manual, Rev. B ST3450856SS DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsST3300656SS Gbit mode Amps ST3450056SS FDE DC power requirementsST3300656SS DC power requirements ST3450056SS FDE Gbit mode AmpsST3146356SS Gbit mode Amps ST3300056SS FDE DC power requirementsST3146356SS DC power requirements ST3300056SS FDE Gbit mode AmpsST3146756SS FDE Gbit mode Amps ST3146756SS FDE DC power requirementsPower sequencing Conducted noise immunityCurrent profiles Typical 450GB current profiles Typical 146GB current profiles ST3450856SS model Power dissipationST3450056SS FDE model ST3300656SS model ST3300056SS FDE model ST3146356SS model ST3146756SS FDE model 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. B Defect and error management Drive internal defects/errorsDrive error recovery procedures 51.87 SAS system errors Background Media ScanMedia Pre-Scan Idle Read After Write Deferred Auto-ReallocationInstallation Drive orientationCooling Air flow Grounding Drive mountingCheetah 15K.6 SAS Product Manual, Rev. B Interface requirements SAS featuresDual port support Scsi commands supported Commands supported by Cheetah 15K.6 SAS family drivesCommand name Command code Supported 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 Inquiry dataMode Sense data Mode Pages 2.1 ST3450856SS/ST3450056SS Mode Sense data2.2 ST3300656SS/ST3300056SS Mode Sense data 2.3 ST3146356SS/ST3146756SS Mode Sense data SAS physical interface Miscellaneous operating features and conditionsMiscellaneous features Miscellaneous statusPhysical 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 characteristicsReceiver signal characteristics Signal characteristic Units GbpsMaximum allowable jitter Impedance 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 15K.6 SAS Product Manual, Rev. B Technical Support Seagate Technology support servicesInternet Presales Support Warranty Service Data Recovery Services Authorized Service Centers Data Recovery Services Call Center Toll-free Direct dial Numerics IndexIraw SAS See also cooling