User ManualTable of ContentsFigure 2. Typical ST3300655SS drive +12V current profile 265Figure 3. Typical ST3300655SS drive +5V current profile 265Figure 4. Typical ST3146855SS drive +12V current profile 275Figure 5. Typical ST3146855SS drive +5V current profile 275Figure 6. Typical ST373455SS drive +12V current profile 285Figure 7. Typical ST373455SS drive +5V current profile 285Figure 8. ST3300655SS (3 Gbit) DC current and power vs. input/output operations per second 295Figure 9. ST3146855SS (3 Gbit) DC current and power vs. input/output operations per second 305Figure 10. ST373455SS (3 Gbit) DC current and power vs. input/output operations per second 315Figure 11. Location of the HDA temperature check point 325Figure 12. Recommended mounting 345Figure 13. Physical dimensions 365Figure 14. Physical interface 415Figure 15. Air flow 425Figure 16. Physical interface 575Figure 17. SAS connector dimensions 585Figure 18. SAS connector dimensions 595Figure 19. SAS transmitters and receivers 615Figure 20. Receive eye mask 635Figure 21. Receive tolerance eye mask 635Figure 22. Sinusoidal jitter mask 645Figure 23. Compliance interconnect test load 695Figure 24. Zero-length test load 705Figure 25. ISI loss example at 3.0 Gbps 705Figure 26. ISI loss example at 1.5 Gbps 7051.0 Scope72.0 Standards, compliance and reference documents92.1 Standards92.1.1 Electromagnetic compatibility92.1.1.1 Electromagnetic susceptibility92.2 Compliance102.2.1 Electromagnetic compliance102.3 European Union Restriction of Hazardous Substances (RoHS)102.4 Reference documents113.0 General description133.1 Standard features143.2 Media description143.3 Performance143.4 Reliability153.5 Formatted capacities153.6 Programmable drive capacity153.7 Factory-installed accessories153.8 Options (factory installed)163.9 User-installed accessories164.0 Performance characteristics174.1 Internal drive characteristics174.2 Seek time174.2.1 Access time174.2.2 Format command execution time (minutes)184.2.3 General performance characteristics184.3 Start/stop time184.4 Prefetch/multi-segmented cache control194.5 Cache operation194.5.1 Caching write data204.5.2 Prefetch operation205.0 Reliability specifications215.1 Error rates215.1.1 Recoverable Errors215.1.2 Unrecoverable Errors215.1.3 Seek errors225.1.4 Interface errors225.2 Reliability and service225.2.1 Mean time between failure (MTBF)225.2.2 Preventive maintenance225.2.3 Hot plugging the drive235.2.4 S.M.A.R.T.235.2.5 Thermal monitor245.2.6 Drive Self Test (DST)255.2.6.1 DST failure definition255.2.6.2 Implementation255.2.6.2.1 State of the drive prior to testing265.2.6.2.2 Invoking DST265.2.6.2.3 Short and extended tests265.2.6.2.4 Log page entries265.2.6.2.5 Abort275.2.7 Product warranty276.0 Physical/electrical specifications296.1 AC power requirements296.2 DC power requirements296.2.1 Conducted noise immunity316.2.2 Power sequencing316.2.3 Current profiles316.3 Power dissipation356.4 Environmental limits386.4.1 Temperature386.4.2 Relative humidity396.4.3 Effective altitude (sea level)396.4.4 Shock and vibration396.4.4.1 Shock396.4.4.2 Vibration416.4.5 Air cleanliness416.4.6 Corrosive environment416.4.7 Acoustics426.4.8 Electromagnetic susceptibility426.5 Mechanical specifications427.0 Defect and error management437.1 Drive internal defects/errors437.2 Drive error recovery procedures437.3 SAS system errors457.4 Background Media Scan457.5 Media Pre-Scan457.6 Deferred Auto-Reallocation467.7 Idle Read After Write468.0 Installation478.1 Drive orientation478.2 Cooling488.3 Drive mounting498.4 Grounding499.0 Interface requirements519.1 SAS features519.1.1 task management functions519.1.2 task management responses519.2 Dual port support529.3 SCSI commands supported539.3.1 Inquiry data579.3.2 Mode Sense data579.3.2.1 ST3300655SS Mode Sense data599.3.2.2 ST3146855SS Mode Sense data609.3.2.3 ST373455SS Mode Sense data619.4 Miscellaneous operating features and conditions629.4.1 SAS physical interface639.4.2 Physical characteristics659.4.3 Connector requirements659.4.4 Electrical description669.4.5 Pin descriptions669.4.6 SAS transmitters and receivers679.4.7 Power679.5 Signal characteristics679.5.1 Ready LED Out679.5.2 Differential signals689.5.2.1 Eye masks689.5.2.1.1 Eye masks overview689.5.2.1.2 Receive eye mask699.5.2.1.3 Jitter tolerance masks699.5.2.2 Transmitter signal characteristics719.5.2.3 Receiver signal characteristics729.5.2.3.1 Jitter729.5.2.3.2 Receiver jitter tolerance739.5.2.3.3 Compliant jitter test pattern (CJTPAT)739.5.2.3.4 Impedance specifications739.5.2.4 Electrical TxRx connections749.5.2.4.1 Transmitter characteristics749.5.2.5 Receiver characteristics7710.0 Seagate Technology support services79Numerics81A81B81C81D81E81F82G82H82I82J82L82M82N83O83P83Q83R83S83T84U84V84W84Z84Size: 1.11 MBPages: 86Language: EnglishOpen manual