Manuali utente per Seagate 146.8GB HD

Sommario

• 1.0 Scope

  11
• 2.0 Applicable standards and reference documentation

  13
  • 2.1 Standards

    13
    • 2.1.1 Electromagnetic compatibility

      13
    • 2.1.2 Electromagnetic susceptibility

      13
  • 2.2 Electromagnetic compliance

    14
  • 2.3 Reference documents

    15
• 3.0 General description

  17
  • 3.1 Standard features

    18
  • 3.2 Media characteristics

    18
  • 3.3 Performance

    19
  • 3.4 Reliability

    19
  • 3.5 Formatted capacities

    19
    • 3.5.1 Programmable drive capacity

      19
  • 3.6 Factory installed accessories

    20
  • 3.7 Options (factory installed)

    20
  • 3.8 Accessories (user installed)

    20
• 4.0 Performance characteristics

  21
  • 4.1 Internal drive characteristics (transparent to user)

    21
  • 4.2 SCSI performance characteristics (visible to user)

    21
    • 4.2.1 Access time

      22
    • 4.2.2 Format command execution time (minutes) [1]

      22
    • 4.2.3 Generalized performance characteristics

      22
  • 4.3 Start/stop time

    23
  • 4.4 Prefetch/multi-segmented cache control

    23
  • 4.5 Cache operation

    23
    • 4.5.1 Caching write data

      24
    • 4.5.2 Prefetch operation

      24
    • 4.5.3 Optimizing cache performance for desktop and server applications

      25
• 5.0 Reliability specifications

  27
  • 5.1 Error rates

    27
    • 5.1.1 Recoverable Errors

      27
    • 5.1.2 Unrecoverable Errors

      27
    • 5.1.3 Seek errors

      28
  • 5.2 Reliability and service

    28
    • 5.2.1 Mean time between failure

      28
    • 5.2.2 Preventive maintenance

      28
    • 5.2.3 Hot plugging Cheetah 15K.4 SCSI disc drives

      28
    • 5.2.4 S.M.A.R.T.

      29
    • 5.2.5 Thermal monitor

      30
    • 5.2.6 Drive Self Test (DST)

      31
      • 5.2.6.1 DST Failure Definition

        31
      • 5.2.6.2 Implementation

        32
        • 5.2.6.2.1 State of the drive prior to testing

          32
        • 5.2.6.2.2 Invoking DST

          32
        • 5.2.6.2.3 Short and extended tests

          32
        • 5.2.6.2.4 Log page entries

          33
        • 5.2.6.2.5 Abort

          33
    • 5.2.7 Product warranty

      33
• 6.0 Physical/electrical specifications

  35
  • 6.1 AC power requirements

    35
  • 6.2 DC power requirements

    35
    • 6.2.1 Conducted noise immunity

      37
    • 6.2.2 Power sequencing

      37
    • 6.2.3 Current profile

      37
  • 6.3 Power dissipation

    41
  • 6.4 Environmental limits

    44
    • 6.4.1 Temperature

      44
    • 6.4.2 Relative humidity

      44
    • 6.4.3 Effective altitude (sea level)

      44
    • 6.4.4 Shock and vibration

      45
      • 6.4.4.1 Shock

        45
      • 6.4.4.2 Vibration

        47
    • 6.4.5 Air cleanliness

      47
    • 6.4.6 Acoustics

      47
    • 6.4.7 Electromagnetic susceptibility

      47
  • 6.5 Mechanical specifications

    48
• 7.0 Defect and error management

  51
  • 7.1 Drive internal defects

    51
  • 7.2 Drive error recovery procedures

    51
  • 7.3 SCSI systems errors

    53
  • 7.4 Background Media Scan

    53
    • 7.4.1 Media Pre-Scan

      54
• 8.0 Installation

  55
  • 8.1 Drive ID/option select header

    55
    • 8.1.1 Notes for Figures 18, 19, and 20.

      58
    • 8.1.2 Function description

      59
  • 8.2 Drive orientation

    60
  • 8.3 Cooling

    60
  • 8.4 Drive mounting

    61
  • 8.5 Grounding

    61
• 9.0 Interface requirements

  63
  • 9.1 General description

    63
  • 9.2 SCSI interface messages supported

    63
  • 9.3 SCSI interface commands supported

    64
    • 9.3.1 Inquiry Vital Product data

      68
    • 9.3.2 Mode Sense data

      69
  • 9.4 SCSI bus conditions and miscellaneous features supported

    73
  • 9.5 Synchronous data transfer

    74
    • 9.5.1 Synchronous data transfer periods supported

      74
    • 9.5.2 REQ/ACK offset

      74
  • 9.6 Physical interface

    74
    • 9.6.1 DC cable and connector

      75
    • 9.6.2 SCSI interface physical description

      77
    • 9.6.3 SCSI interface cable requirements

      77
      • 9.6.3.1 Cable requirements

        77
    • 9.6.4 Mating connectors

      78
      • 9.6.4.1 Mating connectors for LW model drives

        78
      • 9.6.4.2 Mating connectors for LC model drives

        79
  • 9.7 Electrical description

    87
    • 9.7.1 Multimode-SE and LVD alternatives

      87
      • 9.7.1.1 General cable characteristics

        88
      • 9.7.1.2 Single-ended drivers/receivers

        88
      • 9.7.1.3 Cables for low voltage differential drivers/receivers

        89
  • 9.8 Terminator requirements

    90
  • 9.9 Terminator power

    90
  • 9.10 Disc drive SCSI timing

    91
  • 9.11 Drive activity LED

    93
• 10.0 Seagate Technology support services

  95
  • Symbols

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  • Numerics

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