IBM Ultrastar 36LZX, Specifications

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4.5.2.3 Cylinder switch time (cylinder skew)
1.6 [msec] Cylinder skew
Typical
Figure 9. Cylinder Skew
A cylinder switch time is defined as the amount of time required by the fixed disk to access the next
sequential block after reading the last sector in the current cylinder.
4.5.2.4 Head switch time (head skew)
1.1 [msec] Head skew
Typical
Figure 10. Head skew
A head switch time is defined as the amount of time required by the fixed disk to access the next
sequential block after reading the last sector in the current track.
4.5.2.5 Average latency
3.0 [msec] 6.0 [msec] 10,000 [RPM]
Average Latency Time for a revolution Rotation
Figure 11. Latency time
4.5.3 Drive ready time
29.9 [sec] 14.0 [sec] DDYS-T09170
29.9 [sec] 14.0 [sec] DDYS-T18350
29.9 [sec] 18.0 [sec] DDYS-T36950
Maximum Typical Model
Figure 12. Drive ready time
4.5.4 Spindle stop time
30 [sec] 14 [sec] DDYS-T09170
30 [sec] 14 [sec] DDYS-T18350
30 [sec] 20 [sec] DDYS-T36950
Maximum Typical Model
Figure 13. Spindle stop time
The period from power off to complete stop of spindle is categorized as operating, and Operating Shock
criteria are applied until complete stop of spindle. Refer to Operating shock on page 50.
Ultrastar 36LZX hard disk drive specifications
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