Sas | Seagate ST3400755SS specification

audible 3 noise immunity 24 non-operating 27, 29

temperature 26 non-operating vibration 29

O

office environment 29 operating 27, 29 option selection 54 out-of-plane distortion 39

P

package size 28

package test specification 5 packaged 28

parameter rounding 50 PCBA 39

peak bits per inch 11 peak operating current 23

peak-to-peak measurements 24 performance characteristics

detailed 11 general 12

performance degradation 27 performance highlights 8 physical damage 29 physical dimensions 31 physical interface 51 physical specifications 23 pin descriptions 54

power 55 dissipation 25 requirements, AC 23 requirements, DC 23 sequencing 24

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

Q

queue tagging 50

R

radio interference regulations 3 RCD bit 13

read error rates 15, 33 read/write data heads 11 receivers 55 recommended mounting 28 Recoverable Errors 15 recovered media data 15 reference

documents 5 relative humidity 27 reliability 8

specifications 15 reliability and service 16 repair and return information 21

reporting actual retry count	50
reservation conflict status	50

resonance 27

return information 21 RoHS 30

rotation speed 11

S

safety	3
SAS
interface				54
physical interface							51
task management functions									41
SAS documents					5		3,
SAS Interface Manual							3,	5
SCSI interface
commands supported								43
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						50
Self-Monitoring Analysis and Reporting Technology
	17
Serial Attached SCSI (SAS) Interface Manual 1
shielding		3
shipping		21
shipping container						26
shock	27
and vibration					27
shock mount				39
signal
characteristics						55
single-unit shipping pack kit								9
SMART		17
SMP = 1 in Mode Select command 50
spindle brake				8
standards			3
start/stop time				12
Sulfur	29
support services					67
surface stiffness
allowable for non-flat surface									39
switches		37
synchronized spindle

Cheetah NS SAS Product Manual, Rev. B

71

Image 77

Seagate ST3400755SS manual Sas

Contents

ST3400755SS Cheetah NS SASPage Contents Installation Defect and error managementSeagate Technology support services Interface requirements 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 Standards Standards, compliance and reference documentsElectromagnetic compatibility Electromagnetic susceptibility Compliance Reference documents Cheetah NS SAS Product Manual, Rev. B General description Media description Standard featuresPerformance Reliability Formatted capacities Factory-installed optionsProgrammable drive capacity ST3400755SS Cheetah NS SAS Product Manual, Rev. B Internal drive characteristics Performance characteristicsAccess time Seek performance Start/stop time Format command execution time minutesGeneral performance characteristics Caching write data Prefetch/multi-segmented cache controlCache operation Prefetch operation Error rates Reliability specificationsRecoverable Errors Unrecoverable Errors Seek errors Reliability and serviceInterface errors Preventive maintenance Controlling S.M.A.R.T 4 S.M.A.R.TPerformance impact Reporting control Thermal monitor Temperature Log Page 0DhPredictive failures DST failure definition State of the drive prior to testingImplementation Invoking DST Short test Function Code 001b Product warrantyExtended test Function Code 010b Log page entries Product repair and return information Shipping Cheetah NS SAS Product Manual, Rev. B AC power requirements Physical/electrical specificationsDC power requirements ST3400755SS DC power requirements Power sequencing General DC power requirement notesConducted noise immunity Current profiles Typical ST3400755SS drive +5V and +12V current profiles Power dissipation Environmental limits Temperature Effective altitude sea level Relative humidityShock and vibration Shock Recommended mounting Package size Packaged/product weight Drop height Vibration Air cleanlinessAcoustics Corrosive environment 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 Drive error recovery procedures Defect and error managementDrive internal defects/errors 77.87 Media Pre-Scan SAS system errorsBackground Media 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 Command name Command code Supported Scsi commands supportedCommands supported by Cheetah NS SAS family drives Commands supported by Cheetah NS SAS family drives Commands supported by Cheetah NS SAS family drives Commands supported by Cheetah NS SAS family drives Cheetah NS SAS inquiry data Bytes Data hex Mode Sense dataInquiry data Page Mode Pages 2.1 ST3400755SS Mode Sense data Miscellaneous features Miscellaneous operating features and conditionsSupported Feature or condition Miscellaneous status SAS physical interface Datum B Connector requirements Physical characteristics Electrical description Pin Signal name Signal typePin descriptions SAS pin descriptions Power Signal characteristicsSAS transmitters and receivers Ready LED Out Differential signals LED drive signalGeneral interface characteristics Eye masks Eye masks overview Jitter tolerance masks Receive eye maskAbsolute amplitude Normalized time in UI Sinusoidal Peak-toJitter Frequency in kHz Signal characteristica Units Gbps Transmitter signal characteristics Signal characteristic Units Gbps Receiver signal characteristicsMaximum allowable jitter Gbps m, n Deterministic jitterq Receiver jitter tolerance Impedance specificationsCompliant jitter test pattern Cjtpat Impedance requirements Sheet 1 Electrical TxRx connections Transmitter characteristicsImpedance requirements Sheet 2 = -5,437dB Shows the zero-length test load Receiver characteristics Cheetah NS SAS Product Manual, Rev. B Internet Seagate Technology support servicesPresales Support Technical Support Data Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Numerics IndexPage SAS See also cooling