Seagate ST373454 Manual download pdf (Page 9)

Cheetah 15K.3 SCSI Product Manual, Rev. G vii

List of Figures

Figure 1. Cheetah 15K.3 SCSI family drive (ST373453LC shown). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2. Typical ST373453 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 3. Typical ST373453 drive +5 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 4. Typical ST336753 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 5. Typical ST336753 drive +5 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 6. Typical ST318453 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 7. Typical ST318453 drive +5 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 8. ST373453 DC current and power vs. IOPS (SE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 9. ST373453 DC current and power vs. IOPS (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 10. ST336753 DC current and power vs. IOPS (SE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 11. ST336753 DC current and power vs. IOPS (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 12. ST318453 DC current and power vs. IOPS (SE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 13. ST318453 DC current and power vs. IOPS (LVD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 14. Locations of the HDA temperature check point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 15. Recommended mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 16. LW mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 17. LC mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 18. J6 jumper header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 19. J5 jumper header (on LW models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 20. J2 option select header (on LW models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 21. Air flow (suggested) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 22. LW model drive physical interface (68-pin J1 SCSI I/O connector) . . . . . . . . . . . . . . . . . . . . 56

Figure 23. LC model drive physical interface (80-pin J1 SCSI I/O connector) . . . . . . . . . . . . . . . . . . . . 56

Figure 24. SCSI daisy-chain interface cabling for LW drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Figure 25. Nonshielded 68-pin SCSI device connector used on LW drives . . . . . . . . . . . . . . . . . . . . . . 61

Figure 26. Nonshielded 80-pin SCSI “SCA-2” connector, used on LC drives . . . . . . . . . . . . . . . . . . . . . 62

Figure 27. Typical SE-LVD alternative transmitter receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

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Seagate ST373454 Manual Page 9