Seagate ST336754SS Cheetah 15K.4 SAS Product Manual - Page 9

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List of Figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. Figure 27. Figure 28. Figure 29. Cheetah 15K.4 SAS disc drive 1 Typical ST3146854SS drive +12V current profile 28 Typical ST3146854SS drive +5V current profile 28 Typical ST373454SS drive +12V current profile 29 Typical ST373454SS drive +5V current profile 29 Typical ST336754SS drive +12V current profile 30 Typical ST336754SS drive +5V current profile 30 ST3146854SS (3 Gbit) DC current and power vs. input/output operations per second 31 ST3146854SS (1.5 Gbit) DC current and power vs. input/output operations per second 31 ST373454SS (3 Gbit) DC current and power vs. input/output operations per second 32 ST373454SS (1.5 Gbit) DC current and power vs. input/output operations per second 32 ST336754SS (3 Gbit) DC current and power vs. input/output operations per second 33 ST336754SS (1.5 Gbit) DC current and power vs. input/output operations per second 33 Location of the HDA temperature check point 34 Recommended mounting 36 Physical dimensions 38 Physical interface 41 Air flow 42 Physical interface 57 SAS connector dimensions 58 SAS connector dimensions 59 SAS transmitters and receivers 61 Receive eye mask 63 Reveive tolerance eye mask 63 Sinusoidal jitter mask 64 Compliance interconnect test load 70 Zero-length test load 70 ISI loss example at 3.0 Gbps 70 ISI loss example at 1.5 Gbps 71 Cheetah 15K.4 SAS Product Manual, Rev. B 1

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Cheetah 15K.4 SAS Product Manual, Rev. B
1
List of Figures
Figure 1.
Cheetah 15K.4 SAS disc drive 1
Figure 2.
Typical ST3146854SS drive +12V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Figure 3.
Typical ST3146854SS drive +5V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Figure 4.
Typical ST373454SS drive +12V current profile
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Figure 5.
Typical ST373454SS drive +5V current profile
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Figure 6.
Typical ST336754SS drive +12V current profile
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Figure 7.
Typical ST336754SS drive +5V current profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Figure 8.
ST3146854SS (3 Gbit) DC current and power vs. input/output operations per second . . . . . . . . . . . . . . . . .31
Figure 9.
ST3146854SS (1.5 Gbit) DC current and power vs. input/output operations per second. . . . . . . . . . . . . . . .31
Figure 10.
ST373454SS (3 Gbit) DC current and power vs. input/output operations per second . . . . . . . . . . . . . . . . . .32
Figure 11.
ST373454SS (1.5 Gbit) DC current and power vs. input/output operations per second. . . . . . . . . . . . . . . . .32
Figure 12.
ST336754SS (3 Gbit) DC current and power vs. input/output operations per second . . . . . . . . . . . . . . . . . .33
Figure 13.
ST336754SS (1.5 Gbit) DC current and power vs. input/output operations per second. . . . . . . . . . . . . . . . .33
Figure 14.
Location of the HDA temperature check point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Figure 15.
Recommended mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Figure 16.
Physical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Figure 17.
Physical interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Figure 18.
Air flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 19.
Physical
interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Figure 20.
SAS connector dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Figure 21.
SAS connector dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Figure 22.
SAS transmitters and receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Figure 23.
Receive eye mask. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Figure 24.
Reveive tolerance eye mask. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Figure 25.
Sinusoidal jitter mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Figure 26.
Compliance interconnect test load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Figure 27.
Zero-length test load. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Figure 28.
ISI loss example at 3.0 Gbps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Figure 29.
ISI loss example at 1.5 Gbps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71