Manuali utente per Seagate ST39205LW/LC

Sommario

• Contents

  7
  • 1.0 Scope 1

    7
  • 2.0 Applicable standards and reference documentation 3

    7
    • 2.1 Standards 3

      7
      • 2.1.1 Electromagnetic compatibility 3

        7
      • 2.1.2 Electromagnetic susceptibility 3

        7
    • 2.2 Electromagnetic compliance 3

      7
    • 2.3 Reference documents 4

      7
  • 3.0 General description 5

    7
    • 3.1 Standard features 7

      7
    • 3.2 Media characteristics 7

      7
    • 3.3 Performance 7

      7
    • 3.4 Reliability 7

      7
    • 3.5 Formatted capacities 8

      7
    • 3.6 Programmable drive capacity 8

      7
    • 3.7 Factory installed accessories 8

      7
    • 3.8 Options (factory installed) 8

      7
  • 4.0 Performance characteristics 9

    7
    • 4.1 Internal drive characteristics (transparent to user) 9

      7
    • 4.2 SCSI performance characteristics (visible to user) 9

      7
      • 4.2.1 Access time 9

        7
      • 4.2.2 Format command execution time (minutes) 9

        7
      • 4.2.3 Generalized performance characteristics 9

        7
    • 4.3 Start/stop time 10

      7
    • 4.4 Prefetch/multi-segmented cache control 10

      7
    • 4.5 Cache operation 11

      7
      • 4.5.1 Caching write data 11

        7
      • 4.5.2 Prefetch operation 12

        7
      • 4.5.3 Optimizing cache performance for desktop and server applications 12

        7
  • 5.0 Reliability specifications 15

    7
    • 5.1 Error rates 15

      7
      • 5.1.1 Environmental interference 15

        7
      • 5.1.2 Read errors 15

        7
      • 5.1.3 Write errors 15

        7
      • 5.1.4 Seek errors 15

        7
    • 5.2 Reliability and service 16

      7
      • 5.2.1 Mean time between failure 16

        7
      • 5.2.2 Preventive maintenance 16

        7
      • 5.2.3 Service life 16

        7
      • 5.2.4 Service philosophy 16

        7
      • 5.2.5 Service tools 16

        7
      • 5.2.6 Hot plugging Cheetah 36XL disc drives 17

        7
      • 5.2.7 S.M.A.R.T. 17

        7
      • 5.2.8 Drive Self Test (DST) 18

        7
        • 5.2.8.1 DST Failure Definition 19

          7
        • 5.2.8.2 Implementation 19

          7
      • 5.2.9 Product warranty 20

        7
  • 6.0 Physical/electrical specifications 23

    7
    • 6.1 AC power requirements 23

      7
    • 6.2 DC power requirements 23

      7
      • 6.2.1 Conducted noise immunity 24

        7
      • 6.2.2 Power sequencing 24

        7
      • 6.2.3 12 V - Current profile 24

        7
    • 6.3 Power dissipation 28

      7
    • 6.4 Environmental limits 30

      8
      • 6.4.1 Temperature 30

        8
      • 6.4.2 Relative humidity 31

        8
      • 6.4.3 Effective altitude (sea level) 31

        8
      • 6.4.4 Shock and vibration 31

        8
        • 6.4.4.1 Shock 31

          8
        • 6.4.4.2 Vibration 34

          8
      • 6.4.5 Air cleanliness 34

        8
      • 6.4.6 Acoustics 34

        8
      • 6.4.7 Electromagnetic susceptibility 34

        8
    • 6.5 Mechanical specifications 35

      8
  • 7.0 Defect and error management 37

    8
    • 7.1 Drive internal defects 37

      8
    • 7.2 Drive error recovery procedures 37

      8
    • 7.3 SCSI systems errors 38

      8
  • 8.0 Installation 39

    8
    • 8.1 Drive ID/option select header 39

      8
      • 8.1.1 Notes for figures 16, 17, and 18. 42

        8
      • 8.1.2 Function description 43

        8
    • 8.2 Drive orientation 44

      8
    • 8.3 Cooling 44

      8
    • 8.4 Drive mounting 44

      8
    • 8.5 Grounding 44

      8
  • 9.0 Interface requirements 45

    8
    • 9.1 General description 45

      8
    • 9.2 SCSI interface messages supported 45

      8
    • 9.3 SCSI interface commands supported 46

      8
      • 9.3.1 Inquiry Vital Product data 49

        8
      • 9.3.2 Mode Sense data 49

        8
    • 9.4 SCSI bus conditions and miscellaneous features supported 57

      8
    • 9.5 Synchronous data transfer 58

      8
      • 9.5.1 Synchronous data transfer periods supported 58

        8
      • 9.5.2 REQ/ACK offset 58

        8
    • 9.6 Physical interface 58

      8
      • 9.6.1 DC cable and connector 58

        8
      • 9.6.2 SCSI interface physical description 60

        8
      • 9.6.3 SCSI interface cable requirements 60

        8
      • 9.6.4 Mating connectors 61

        8
        • 9.6.4.1 Mating connectors for LW model drives 61

          8
        • 9.6.4.2 Mating connectors for LC model drives 61

          8
    • 9.7 Electrical description 69

      8
      • 9.7.1 Multimode—SE and LVD alternatives 69

        8
        • 9.7.1.1 Single-ended drivers/receivers 71

          8
        • 9.7.1.2 Low voltage differential I/O circuits 71

          8
        • 9.7.1.3 General cable characteristics 71

          8
    • 9.8 Terminator requirements 71

      8
    • 9.9 Terminator power 71

      8
    • 9.10 Disc drive SCSI timing 72

      8
    • 9.11 Drive activity remote LED signal status 73

      8
  • 10.0 Seagate Technology support services 75

    8
  • Figure 1. Cheetah 36XL family drive (ST336705LC shown) 1

    9
  • Figure 2. Cheetah 36XL family drive 6

    9
  • Figure 3. Typical ST336705 drive +12 V current profile 25

    9
  • Figure 4. Typical ST318405 drive +12 V current profile 25

    9
  • Figure 5. Typical ST39205 drive +12 V current profile 26

    9
  • Figure 6. Typical ST336705 drive +5 V current profile 26

    9
  • Figure 7. TypicalST318405 drive +5 V current profile 27

    9
  • Figure 8. TypicalST39205 drive +5 V current profile 27

    9
  • Figure 9. ST336705 DC current and power vs. input/output operations per second 28

    9
  • Figure 10. ST318405 DC current and power vs. input/output operations per second 29

    9
  • Figure 11. ST39205 DC current and power vs. input/output operations per second (LVD) 30

    9
  • Figure 12. Location of HDA Temperature Check Point. 31

    9
  • Figure 13. Recommended mounting 33

    9
  • Figure 14. LW mounting configuration dimensions 35

    9
  • Figure 15. LC mounting configuration dimensions 36

    9
  • Figure 16. J6 jumper header 40

    9
  • Figure 17. J5 jumper header (on LW model only) 41

    9
  • Figure 18. J2 option select header 42

    9
  • Figure 19. LW model drive physical interface (68-pin J1 SCSI I/O connector) 59

    9
  • Figure 20. LC model drive physical interface (80-pin J1 SCSI I/O connector) 59

    9
  • Figure 21. SCSI daisy chain interface cabling for LW drives 62

    9
  • Figure 22. Nonshielded 68 pin SCSI device connector used on LW drives 63

    9
  • Figure 23. Nonshielded 80 pin SCSI “SCA-2” connector, used on LC drives 64

    9
  • Figure 24. LVD output signals 70

    9
  • Figure 25. Typical SE-LVD alternative transmitter receiver circuits 70

    9
• 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

    13
  • 2.3 Reference documents

    14
• 3.0 General description

  15
  • 3.1 Standard features

    17
  • 3.2 Media characteristics

    17
  • 3.3 Performance

    17
  • 3.4 Reliability

    17
  • 3.5 Formatted capacities

    18
  • 3.6 Programmable drive capacity

    18
  • 3.7 Factory installed accessories

    18
  • 3.8 Options (factory installed)

    18
• 4.0 Performance characteristics

  19
  • 4.1 Internal drive characteristics (transparent to user)

    19
  • 4.2 SCSI performance characteristics (visible to user)

    19
    • 4.2.1 Access time [5]

      19
    • 4.2.2 Format command execution time (minutes) [1]

      19
    • 4.2.3 Generalized performance characteristics

      19
  • 4.3 Start/stop time

    20
  • 4.4 Prefetch/multi-segmented cache control

    20
  • 4.5 Cache operation

    21
    • 4.5.1 Caching write data

      21
    • 4.5.2 Prefetch operation

      22
    • 4.5.3 Optimizing cache performance for desktop and server applications

      22
• 5.0 Reliability specifications

  25
  • 5.1 Error rates

    25
    • 5.1.1 Environmental interference

      25
    • 5.1.2 Read errors

      25
    • 5.1.3 Write errors

      25
    • 5.1.4 Seek errors

      25
  • 5.2 Reliability and service

    26
    • 5.2.1 Mean time between failure

      26
    • 5.2.2 Preventive maintenance

      26
    • 5.2.3 Service life

      26
    • 5.2.4 Service philosophy

      26
    • 5.2.5 Service tools

      26
    • 5.2.6 Hot plugging Cheetah 36XL disc drives

      27
    • 5.2.7 S.M.A.R.T.

      27
    • 5.2.8 Drive Self Test (DST)

      28
      • 5.2.8.1 DST Failure Definition

        29
      • 5.2.8.2 Implementation

        29
        • 5.2.8.2.1 State of the drive prior to testing

          29
        • 5.2.8.2.2 Invoking DST

          29
        • 5.2.8.2.3 Short and extended tests

          29
        • 5.2.8.2.4 Log page entries

          30
        • 5.2.8.2.5 Abort

          30
    • 5.2.9 Product warranty

      30
• 6.0 Physical/electrical specifications

  33
  • 6.1 AC power requirements

    33
  • 6.2 DC power requirements

    33
    • 6.2.1 Conducted noise immunity

      34
    • 6.2.2 Power sequencing

      34
    • 6.2.3 12 V - Current profile

      34
  • 6.3 Power dissipation

    38
  • 6.4 Environmental limits

    40
    • 6.4.1 Temperature

      40
    • 6.4.2 Relative humidity

      41
    • 6.4.3 Effective altitude (sea level)

      41
    • 6.4.4 Shock and vibration

      41
      • 6.4.4.1 Shock

        41
      • 6.4.4.2 Vibration

        44
    • 6.4.5 Air cleanliness

      44
    • 6.4.6 Acoustics

      44
    • 6.4.7 Electromagnetic susceptibility

      44
  • 6.5 Mechanical specifications

    45
• 7.0 Defect and error management

  47
  • 7.1 Drive internal defects

    47
  • 7.2 Drive error recovery procedures

    47
  • 7.3 SCSI systems errors

    48
• 8.0 Installation

  49
  • 8.1 Drive ID/option select header

    49
    • 8.1.1 Notes for figures 16, 17, and 18.

      52
    • 8.1.2 Function description

      53
  • 8.2 Drive orientation

    54
  • 8.3 Cooling

    54
  • 8.4 Drive mounting

    54
  • 8.5 Grounding

    54
• 9.0 Interface requirements

  55
  • 9.1 General description

    55
  • 9.2 SCSI interface messages supported

    55
  • 9.3 SCSI interface commands supported

    56
    • 9.3.1 Inquiry Vital Product data

      59
    • 9.3.2 Mode Sense data

      59
  • 9.4 SCSI bus conditions and miscellaneous features supported

    67
  • 9.5 Synchronous data transfer

    68
    • 9.5.1 Synchronous data transfer periods supported

      68
    • 9.5.2 REQ/ACK offset

      68
  • 9.6 Physical interface

    68
    • 9.6.1 DC cable and connector

      68
    • 9.6.2 SCSI interface physical description

      70
    • 9.6.3 SCSI interface cable requirements

      70
    • 9.6.4 Mating connectors

      71
      • 9.6.4.1 Mating connectors for LW model drives

        71
      • 9.6.4.2 Mating connectors for LC model drives

        71
  • 9.7 Electrical description

    79
    • 9.7.1 Multimode—SE and LVD alternatives

      79
      • 9.7.1.1 Single-ended drivers/receivers

        81
      • 9.7.1.2 Low voltage differential I/O circuits

        81
      • 9.7.1.3 General cable characteristics

        81
  • 9.8 Terminator requirements

    81
  • 9.9 Terminator power

    81
  • 9.10 Disc drive SCSI timing

    82
  • 9.11 Drive activity remote LED signal status

    83
• 10.0 Seagate Technology support services

  85
  • Symbols

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  • Numerics

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  • C

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  • D

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  • E

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  • F

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  • G

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  • H

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  • I

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  • J

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  • K

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  • L

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  • M

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  • N

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  • O

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  • P

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  • R

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  • T

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  • U

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  • Z

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