Seagate ST318203LW Product Manual page 9

Cheetah 18LP Product Manual, Rev. F
Figure 1. Cheetah 18LP family drive (LW model shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Cheetah 18LP family drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Typical ST318203 and ST318233 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 4. Typical ST39103 and ST39133 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 5. Typical ST318203 and ST318233 drive +5 V current profile. . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 6. Typical ST39103 and ST39133 drive +5 V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 7. ST318203 DC current and power vs. input/output operations per second (SE) . . . . . . . . . . 23
Figure 8. ST318203 DC current and power vs. input/output operations per second (LVD) . . . . . . . . . 23
Figure 9. ST39103 DC current and power vs. input/output operations per second (SE) . . . . . . . . . . . 24
Figure 10. ST39103 DC current and power vs. input/output operations per second (LVD) . . . . . . . . . . 24
Figure 11. ST318233 DC current and power vs. input/output operations per second (SE) . . . . . . . . . . 25
Figure 12. ST318233 DC current and power vs. input/output operations per second (LVD) . . . . . . . . . 25
Figure 13. ST39133 DC current and power vs. input/output operations per second (SE) . . . . . . . . . . . 26
Figure 14. ST39133 DC current and power vs. input/output operations per second (LVD) . . . . . . . . . . 26
Figure 15. Locations of PCBA components listed in Tables 3 and 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 16. Recommended mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 17. LW and LWV mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 18. LC and LCV mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 19. J6 jumper header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 20. J5 jumper header (on LW and LWV models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 21. J2 option select header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 22. Air flow (suggested) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 23. LW and LWV model drive physical interface (68-pin J1 SCSI I/O connector) . . . . . . . . . . . . 56
Figure 24. LC and LCV model drive physical interface (80-pin J1 SCSI I/O connector) . . . . . . . . . . . . . 56
Figure 25. SCSI daisy chain interface cabling for LW and LWV drives. . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 26. Nonshielded 68 pin SCSI device connector used on LW and LWV drives . . . . . . . . . . . . . . 61
Figure 27. Nonshielded 80 pin SCSI "SCA-2" connector, used on LC and LCV drives . . . . . . . . . . . . . 62
Figure 28. LVD output signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 29. Typical SE-LVD alternative transmitter receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
List of Figures
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