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Barracuda 180 Product Manual, Rev. A vii
List of Figures
Figure 1. Barracuda 180 family drive (ST1181677LW shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Barracuda 180 family drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Typical Barracuda 180 family drive +12 V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 4. Typical Barracuda 180 SCSI SE mode +5 V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 5. Typical Barracuda 180 SCSI LVD mode +5 V current profile. . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 6. DC current and power vs. input/output operations per second (single-ended mode) . . . . . . 24
Figure 7. DC current and power vs. input/output operations per second (LVD mode) . . . . . . . . . . . . . 24
Figure 8. Location of the HDA temperature check point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 9. Recommended mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 10. ST1181677LW/LWV mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 11. ST1181677LC/LCV mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 12. J6 jumper header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 13. J5 jumper header (on LW/LWV models only). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 14. J2 option select header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 15. Suggested air flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 16. ST1181677LW/LWV drive physical interface (68-pin J1 SCSI I/O connector). . . . . . . . . . . . 50
Figure 17. ST1181677LC/LCV drive physical interface (80-pin J1 SCSI I/O connector) . . . . . . . . . . . . 50
Figure 18. SCSI daisy chain interface cabling for LW/LWV drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 19. Nonshielded 68 pin SCSI device connector used on LW/LWV drives . . . . . . . . . . . . . . . . . . 54
Figure 20. Nonshielded 80 pin SCSI “SCA-2” connector, used on LC/LCV drives . . . . . . . . . . . . . . . . . 55
Figure 21. LVD output signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 22. Typical SE-LVD alternative transmitter receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61