List Of Figures - Seagate Ultra160 Product Manual

SCSI Interface Product Manual, Rev. B
Figure 1. Functional scope of SCSI
Figure 2. SCSI client-server model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 3. Voltage and current definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 4. LVD Signaling sense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 5. ST latching data vs. DT latching data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 6. ST synchronous transfer example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 7. DT synchronous transfer example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 8. Paced transfer example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 9. Example of a SCSI bus with paced transfers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 10. Use of P1 to establish data valid and data invalid states . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 11. Phase sequences for physical reconnection and selection using attention condition
with information unit transfers disabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 12. Phase sequences for selection without using attention condition with information unit
transfers disabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Figure 13. Phase sequences for physical reconnection or selection without using attention
condition/with information unit transfers enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 14. Phase sequences for selection with attention condition/physical reconnection and
information unit transfers enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 15. SPI information unit sequence during initial connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Figure 16. SPI information unit sequence during data type transfers . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Figure 17. SPI information unit sequence during data stream type transfers . . . . . . . . . . . . . . . . . . . . 106
Figure 18. SPI information unit sequence during status transfers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 19. Single command example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Figure 20. Disconnect example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Figure 21. Protection code generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333

List of Figures

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standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
xv