Seagate CHEETAH ST3146707LW/LC User Manual page 9

Figure 1. Cheetah 10K.7 SCSI family drive (ST3300007LC shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Typical ST3300007 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 3. Typical ST3300007 drive +5 V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 4. Typical ST3146707 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 5. Typical ST3146707 drive +5 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 6. Typical ST373207 drive +12 V current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 7. Typical ST373207 drive +5 V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 8. ST3300007 DC current and power vs. input/output operations per second (SE) . . . . . . . . . 31
Figure 9. ST3300007 DC current and power vs. input/output operations per second (LVD). . . . . . . . . 31
Figure 10. ST3146707 DC current and power vs. input/output operations per second (SE) . . . . . . . . . 32
Figure 11. ST3146707 DC current and power vs. input/output operations per second (LVD). . . . . . . . . 32
Figure 12. ST373207 DC current and power vs. input/output operations per second (SE) . . . . . . . . . . 33
Figure 13. ST373207 DC current and power vs. input/output operations per second (LVD). . . . . . . . . . 33
Figure 14. Location of the HDA temperature check point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 15. Recommended mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 16. LW mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 17. LC mounting configuration dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 18. J6 jumper header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 19. J5 jumper header (on LW models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 20. J2 option select header (on LW models only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 21. Air flow (suggested) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 22. LW model drive physical interface (68-pin J1 SCSI I/O connector) . . . . . . . . . . . . . . . . . . . . 66
Figure 23. LC model drive physical interface (80-pin J1 SCSI I/O connector). . . . . . . . . . . . . . . . . . . . . 66
Figure 24. SCSI daisy chain interface cabling for LW drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 25. Nonshielded 68-pin SCSI device connector used on LW drives . . . . . . . . . . . . . . . . . . . . . . 72
Figure 26. Nonshielded 80-pin SCSI "SCA-2" connector, used on LC drives . . . . . . . . . . . . . . . . . . . . . 73
Figure 27. Typical SE-LVD alternative transmitter receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Cheetah 10K.7 SCSI Product Manual, Rev. D
List of Figures
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