Seagate MEDALIST 1080SL Manuale utente

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Medalist 1080sl

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SCSI Interface Drive

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Product Manual

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Medalist 1080sl

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SCSI Interface Drive

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Product Manual

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Publication Number: 36321-101, Rev. A, August 1995

Seagate, Seagate Technology and the Seagate logo are registered

trademarks of Seagate Technology, Inc. MedalistSL is a trademark of

Seagate Technology, Inc. Other product names are trademarks or

registered trademarks of their owners.

Seagate reserves the right to change, without notice, product offerings

or specifications. No part of this publication may be reproduced in any

form without written permission from Seagate Technology, Inc.

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Quick specification chart . . . . . . . . . . . . . . . . . . . . . . 2

1.0 Specifications summary . . . . . . . . . . . . . . . . . . . . . 4

1.1 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Physical geometry . . . . . . . . . . . . . . . . . . . . . . . 4

1.3 Functional specifications . . . . . . . . . . . . . . . . . . . . 4

1.4 Physical dimensions . . . . . . . . . . . . . . . . . . . . . . 5

1.5 Seek time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.5.1 Read look-ahead and caching . . . . . . . . . . . . . . 5

1.6 Start and stop time . . . . . . . . . . . . . . . . . . . . . . . 6

1.6.1 Power-up sequence . . . . . . . . . . . . . . . . . . . . 6

1.6.2 Power-down sequence . . . . . . . . . . . . . . . . . . 7

1.6.3 Auto-park . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.7 Power management . . . . . . . . . . . . . . . . . . . . . . 7

1.7.1 Power consumption . . . . . . . . . . . . . . . . . . . . 8

1.7.2 Voltage tolerance . . . . . . . . . . . . . . . . . . . . . 8

1.7.3 Input noise . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.8 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.8.1 Ambient temperature . . . . . . . . . . . . . . . . . . . 9

1.8.2 Temperature gradient . . . . . . . . . . . . . . . . . . . 9

1.8.3 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.8.4 Relative humidity . . . . . . . . . . . . . . . . . . . . 10

1.9 Shock and vibration . . . . . . . . . . . . . . . . . . . . . 10

1.10 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.11 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.12 Agency listings . . . . . . . . . . . . . . . . . . . . . . . 11

1.13 FCC verification . . . . . . . . . . . . . . . . . . . . . . . 11

Medalist 1080sl SCSI Product Manual, August 1995 iii

2.0 Hardware and interface . . . . . . . . . . . . . . . . . . . . 15

2.1 SCSI-2 compatibility . . . . . . . . . . . . . . . . . . . . . 15

2.2 Handling and static-dischargeprecautions . . . . . . . . . 15

2.3 Electrical interface . . . . . . . . . . . . . . . . . . . . . . 16

2.4 SCSI interface connector . . . . . . . . . . . . . . . . . . 17

2.4.1 SCSI interface connector pin assignments . . . . . . . 18

2.5 Interface cable requirements . . . . . . . . . . . . . . . . . 19

2.5.1 Interface cable length for asynchronous operation . . . 21

2.5.2 Interface cable for Fast SCSI operation . . . . . . . . . 21

2.6 Options jumper block . . . . . . . . . . . . . . . . . . . . . 21

2.6.1 SCSI address . . . . . . . . . . . . . . . . . . . . . . 22

2.6.2 Active Termination . . . . . . . . . . . . . . . . . . . 22

2.6.3 Terminator power source selection . . . . . . . . . . . 22

2.6.4 Parity enable option . . . . . . . . . . . . . . . . . . . 23

2.6.5 Start/stop option . . . . . . . . . . . . . . . . . . . . . 23

2.6.6 Remote LED connection . . . . . . . . . . . . . . . . 23

2.7 Daisy chaining . . . . . . . . . . . . . . . . . . . . . . . . 23

2.8 Hot-plugging . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.9 Mounting the drive . . . . . . . . . . . . . . . . . . . . . . 24

3.0 Command set . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.1 Command descriptor block . . . . . . . . . . . . . . . . . . 27

3.2 Status byte . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.3 Supported commands . . . . . . . . . . . . . . . . . . . . 29

3.4 Group 0 commands . . . . . . . . . . . . . . . . . . . . . 30

3.4.1 Test Unit Ready command (00H) . . . . . . . . . . . . 30

3.4.2 Rezero Unit command (01H) . . . . . . . . . . . . . . 30

3.4.3 Request Sense command (03H) . . . . . . . . . . . . 30

3.4.4 Format Unit command (04H) . . . . . . . . . . . . . . 32

3.4.5 Reassign Blocks command (07H) . . . . . . . . . . . . 37

3.4.6 Read command (08H) . . . . . . . . . . . . . . . . . . 39

3.4.7 Write command (0AH) . . . . . . . . . . . . . . . . . . 40

iv Medalist 1080sl SCSI Product Manual, August 1995

3.4.8 Seek command (0BH) . . . . . . . . . . . . . . . . . . 41

3.4.9 Inquiry command (12H) . . . . . . . . . . . . . . . . . 41

3.4.10 Mode Selectcommand (15H) . . . . . . . . . . . . . 42

3.4.11 Reserve command (16H) . . . . . . . . . . . . . . . 45

3.4.12 Release command (17H) . . . . . . . . . . . . . . . . 46

3.4.13 Mode Sense command (1AH) . . . . . . . . . . . . . 47

3.4.14 Start/Stop Unit command (1BH) . . . . . . . . . . . . 50

3.4.15 Receive Diagnostic Results command (1CH) . . . . . 51

3.4.16 Send Diagnostic command (1DH) . . . . . . . . . . . 52

3.5 Group 1 commands . . . . . . . . . . . . . . . . . . . . . 53

3.5.1 Read Capacity command (25H) . . . . . . . . . . . . . 53

3.5.2 Read Extended command (28H) . . . . . . . . . . . . 54

3.5.3 Write Extended command (2AH) . . . . . . . . . . . . 55

3.5.4 Seek Extended command (2BH) . . . . . . . . . . . . 57

3.5.5 Write and Verify command (2EH) . . . . . . . . . . . . 57

3.5.6 Verify command (2FH) . . . . . . . . . . . . . . . . . 58

3.5.7 Read Defect Data command (37H) . . . . . . . . . . . 58

3.5.8 Write Data Buffer command (3BH) . . . . . . . . . . . 60

3.5.9 Read Data Buffer command (3CH) . . . . . . . . . . . 62

3.5.10 Read Long command (3EH) . . . . . . . . . . . . . . 63

3.5.11 Write Long command (3FH) . . . . . . . . . . . . . . 63

3.6 Group 2, 3 and 4 commands . . . . . . . . . . . . . . . . . 64

3.7 Group 5 and 6 commands . . . . . . . . . . . . . . . . . . 64

3.8 Group 7 commands . . . . . . . . . . . . . . . . . . . . . 65

Appendix A. Supported messages . . . . . . . . . . . . . . . . 67

A.1 Single-byte messages . . . . . . . . . . . . . . . . . . . . 67

A.2 Synchronous data transfer request message (01H) . . . . . 67

Appendix B. Sense data . . . . . . . . . . . . . . . . . . . . . . 69

B.1 Additional sense data . . . . . . . . . . . . . . . . . . . . 69

B.2 Sense key . . . . . . . . . . . . . . . . . . . . . . . . . . 70

B.3 Additional sense code and additional sense code qualifier . 72

Medalist 1080sl SCSI Product Manual, August 1995 v

Appendix C. Mode pages . . . . . . . . . . . . . . . . . . . . . 77

C.1 Error Recovery page (01H) . . . . . . . . . . . . . . . . . 79

C.2 Disconnect/Reconnect page (02H) . . . . . . . . . . . . . 81

C.3 Format Device page (03H) . . . . . . . . . . . . . . . . . . 82

C.4 Rigid Disc Geometry page (04H) . . . . . . . . . . . . . . 85

C.5 Verify error recovery page (07H) . . . . . . . . . . . . . . . 87

C.6 Caching page (08H) . . . . . . . . . . . . . . . . . . . . . 89

C.6.1 Read look-ahead and caching . . . . . . . . . . . . . 89

C.6.2 Write caching and write merging . . . . . . . . . . . . 89

C.6.3 Caching page description . . . . . . . . . . . . . . . . 90

C.7 Control Mode page (0AH) . . . . . . . . . . . . . . . . . . 93

C.8 Notch page (0CH) . . . . . . . . . . . . . . . . . . . . . . 95

C.9 Cache Control page (38H) . . . . . . . . . . . . . . . . . . 97

C.10 Soft ID page (Flash memory) (3CH) . . . . . . . . . . . . 98

C.11 Operating page(Flash memory) (00H) . . . . . . . . . . . 99

Appendix D. Inquiry data . . . . . . . . . . . . . . . . . . . . 101

D.1 Inquiry data . . . . . . . . . . . . . . . . . . . . . . . . 101

D.2 Vital product data pages . . . . . . . . . . . . . . . . . . 104

D.2.1 Unit Serial Number page (80H) . . . . . . . . . . . . 105

D.2.2 Implemented Operating Definition page (81H) . . . . 105

D.2.3 Firmware Numbers page (C0H) . . . . . . . . . . . . 106

D.2.4 Date Code page (C1H) . . . . . . . . . . . . . . . . 107

D.2.5 Jumper Settings page (C2H) . . . . . . . . . . . . . 107

Appendix E. Timing diagrams . . . . . . . . . . . . . . . . . . 109

vi Medalist 1080sl SCSI Product Manual, August 1995

Figures

Figure 1. Typical startup current profile . . . . . . . . . . . . . . . . 6

Figure 2. Single-ended transmitter and receiver . . . . . . . . . . 16

Figure 3. ST51080N connectors . . . . . . . . . . . . . . . . . . 17

Figure 4. Options jumper block settings . . . . . . . . . . . . . . 20

Figure 5. ST51080N mounting dimensions . . . . . . . . . . . . . 25

Figure 6. Arbitration, selection (without ATN) and command . . . 109

Figure 7. Arbitration, selection (with ATN) and message out . . . 110

Figure 8. Identify message out to command . . . . . . . . . . . 111

Figure 9. Command descriptor block transfer . . . . . . . . . . 112

Figure 10. Command, status, command complete message and

bus free . . . . . . . . . . . . . . . . . . . . . . . . 113

Figure 11. Last command byte, disconnect message, bus free

and reselection . . . . . . . . . . . . . . . . . . . . 114

Figure 12. Arbitration, reselection and message in . . . . . . . . 115

Figure 13. Reselection, status, command complete and busfree 116

Figure 14. Last command byte to data in . . . . . . . . . . . . . 117

Figure 15. Last command byte to data out . . . . . . . . . . . . 118

Figure 16. Reselect identify message to data in . . . . . . . . . 119

Figure 17. Data in block transfer . . . . . . . . . . . . . . . . . 120

Figure 18. Data out block transfer . . . . . . . . . . . . . . . . 121

Figure 19. Last data byte, save pointer message and

disconnect message . . . . . . . . . . . . . . . . . 122

Figure 20. Data in, status, command complete message and

bus free . . . . . . . . . . . . . . . . . . . . . . . . 123

Figure 21. Synchronous timing . . . . . . . . . . . . . . . . . . 124

Figure 22. Synchronous write timing . . . . . . . . . . . . . . . 125

Medalist 1080sl SCSI Product Manual, August 1995 vii

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