Document Outline

• Figure 2. Typical ST3300655SS drive +12V current profile 26
• Figure 3. Typical ST3300655SS drive +5V current profile 26
• Figure 4. Typical ST3146855SS drive +12V current profile 27
• Figure 5. Typical ST3146855SS drive +5V current profile 27
• Figure 6. Typical ST373455SS drive +12V current profile 28
• Figure 7. Typical ST373455SS drive +5V current profile 28
• Figure 8. ST3300655SS (3 Gbit) DC current and power vs. input/output operations per second 29
• Figure 9. ST3146855SS (3 Gbit) DC current and power vs. input/output operations per second 30
• Figure 10. ST373455SS (3 Gbit) DC current and power vs. input/output operations per second 31
• Figure 11. Location of the HDA temperature check point 32
• Figure 12. Recommended mounting 34
• Figure 13. Physical dimensions 36
• Figure 14. Physical interface 41
• Figure 15. Air flow 42
• Figure 16. Physical interface 57
• Figure 17. SAS connector dimensions 58
• Figure 18. SAS connector dimensions 59
• Figure 19. SAS transmitters and receivers 61
• Figure 20. Receive eye mask 63
• Figure 21. Receive tolerance eye mask 63
• Figure 22. Sinusoidal jitter mask 64
• Figure 23. Compliance interconnect test load 69
• Figure 24. Zero-length test load 70
• Figure 25. ISI loss example at 3.0 Gbps 70
• Figure 26. ISI loss example at 1.5 Gbps 70
• 1.0 Scope
• 2.0 Standards, compliance and reference documents
  • 2.1 Standards
    • 2.1.1 Electromagnetic compatibility
      • 2.1.1.1 Electromagnetic susceptibility
  • 2.2 Compliance
    • 2.2.1 Electromagnetic compliance
  • 2.3 European Union Restriction of Hazardous Substances (RoHS)
  • 2.4 Reference documents
• 3.0 General description
  • 3.1 Standard features
  • 3.2 Media description
  • 3.3 Performance
  • 3.4 Reliability
  • 3.5 Formatted capacities
  • 3.6 Programmable drive capacity
  • 3.7 Factory-installed accessories
  • 3.8 Options (factory installed)
  • 3.9 User-installed accessories
• 4.0 Performance characteristics
  • 4.1 Internal drive characteristics
  • 4.2 Seek time
    • 4.2.1 Access time
    • 4.2.2 Format command execution time (minutes)
    • 4.2.3 General performance characteristics
  • 4.3 Start/stop time
  • 4.4 Prefetch/multi-segmented cache control
  • 4.5 Cache operation
    • 4.5.1 Caching write data
    • 4.5.2 Prefetch operation
• 5.0 Reliability specifications
  • 5.1 Error rates
    • 5.1.1 Recoverable Errors
    • 5.1.2 Unrecoverable Errors
    • 5.1.3 Seek errors
    • 5.1.4 Interface errors
  • 5.2 Reliability and service
    • 5.2.1 Mean time between failure (MTBF)
    • 5.2.2 Preventive maintenance
    • 5.2.3 Hot plugging the drive
    • 5.2.4 S.M.A.R.T.
    • 5.2.5 Thermal monitor
    • 5.2.6 Drive Self Test (DST)
      • 5.2.6.1 DST failure definition
      • 5.2.6.2 Implementation
        • 5.2.6.2.1 State of the drive prior to testing
        • 5.2.6.2.2 Invoking DST
        • 5.2.6.2.3 Short and extended tests
        • 5.2.6.2.4 Log page entries
        • 5.2.6.2.5 Abort
    • 5.2.7 Product warranty
• 6.0 Physical/electrical specifications
  • 6.1 AC power requirements
  • 6.2 DC power requirements
    • 6.2.1 Conducted noise immunity
    • 6.2.2 Power sequencing
    • 6.2.3 Current profiles
  • 6.3 Power dissipation
  • 6.4 Environmental limits
    • 6.4.1 Temperature
    • 6.4.2 Relative humidity
    • 6.4.3 Effective altitude (sea level)
    • 6.4.4 Shock and vibration
      • 6.4.4.1 Shock
      • 6.4.4.2 Vibration
    • 6.4.5 Air cleanliness
    • 6.4.6 Corrosive environment
    • 6.4.7 Acoustics
    • 6.4.8 Electromagnetic susceptibility
  • 6.5 Mechanical specifications
• 7.0 Defect and error management
  • 7.1 Drive internal defects/errors
  • 7.2 Drive error recovery procedures
  • 7.3 SAS system errors
  • 7.4 Background Media Scan
  • 7.5 Media Pre-Scan
  • 7.6 Deferred Auto-Reallocation
  • 7.7 Idle Read After Write
• 8.0 Installation
  • 8.1 Drive orientation
  • 8.2 Cooling
  • 8.3 Drive mounting
  • 8.4 Grounding
• 9.0 Interface requirements
  • 9.1 SAS features
    • 9.1.1 task management functions
    • 9.1.2 task management responses
  • 9.2 Dual port support
  • 9.3 SCSI commands supported
    • 9.3.1 Inquiry data
    • 9.3.2 Mode Sense data
      • 9.3.2.1 ST3300655SS Mode Sense data
      • 9.3.2.2 ST3146855SS Mode Sense data
      • 9.3.2.3 ST373455SS Mode Sense data
  • 9.4 Miscellaneous operating features and conditions
    • 9.4.1 SAS physical interface
    • 9.4.2 Physical characteristics
    • 9.4.3 Connector requirements
    • 9.4.4 Electrical description
    • 9.4.5 Pin descriptions
    • 9.4.6 SAS transmitters and receivers
    • 9.4.7 Power
  • 9.5 Signal characteristics
    • 9.5.1 Ready LED Out
    • 9.5.2 Differential signals
      • 9.5.2.1 Eye masks
        • 9.5.2.1.1 Eye masks overview
        • 9.5.2.1.2 Receive eye mask
        • 9.5.2.1.3 Jitter tolerance masks
      • 9.5.2.2 Transmitter signal characteristics
      • 9.5.2.3 Receiver signal characteristics
        • 9.5.2.3.1 Jitter
        • 9.5.2.3.2 Receiver jitter tolerance
        • 9.5.2.3.3 Compliant jitter test pattern (CJTPAT)
        • 9.5.2.3.4 Impedance specifications
      • 9.5.2.4 Electrical TxRx connections
        • 9.5.2.4.1 Transmitter characteristics
      • 9.5.2.5 Receiver characteristics
• 10.0 Seagate Technology support services
  • Numerics
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • Z