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Barracuda 36ES2 Product Manual, Rev. B vii
List of Figures
Figure 1. Barracuda 36ES2 family drive (ST336938LW shown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Typical ST336938/ST336918/ST318438/ST318418 drive +12 V current profile . . . . . . . . . . . . 22
Figure 3. Typical ST336938/ST336918/ST318438/ST318418 drive +5 V current profile . . . . . . . . . . . . . 23
Figure 4. ST336938/ST318438 DC current and power vs. input/output operations per second (LVD) . . . 24
Figure 5. ST336918/ST318418 DC current and power vs. input/output operations per second (SE) . . . . 25
Figure 6. Location of HDA Temperature Check Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 7. Recommended mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 8. LW mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 9. N mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 10. J6 jumper header for LW models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 11. J6 jumper header for N model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 12. J5 jumper header (on LW models only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 13. J2 option select header (for LW models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 14. J2 option select header (for N models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 15. Air flow (suggested) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 16. N model drive physical interface (50-pin SCSI I/O connector) . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 17. LW model drive physical interface (68-pin J1 SCSI I/O connector) . . . . . . . . . . . . . . . . . . . . . . 59
Figure 18. Nonshielded 50-pin SCSI device connector used on N drives . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 19. SCSI daisy chain interface cabling for N drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Figure 20. Nonshielded 68 pin SCSI device connector used on LW drives . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 21. SCSI daisy chain interface cabling for LW drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Figure 22. LVD output signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 23. Typical SE-LVD alternative transmitter receiver circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 24. Single-ended transmitters and receivers on N models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70