IBM DTCA-24090 Hard Drive Specifications - Page 20
Full Stroke Seek, Average Latency, Drive Ready Time
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3.3.4 Full Stroke Seek Function Read Write Figure 8. Full Stroke Seek Time Typical 23.0 msec 24.0 msec Full stroke seek is measured as the average of 1000 full stroke seeks. 3.3.5 Average Latency Max 30.0 msec 31.0 msec RPM 4000 Figure 9. Latency Time 3.3.6 Drive Ready Time Time for a revolution 15.0 msec Average Latency 7.5 msec Condition Power On To Ready Figure 10. Drive Ready Time Typical 2.8 sec Max 9.5 sec Ready Power On The condition in which the drive is able to perform a media access command (e.g. read, write) immediately. This includes the time required for the internal self diagnostics. 12 OEM Specifications of DTCA-2xxxx 2.5 inch H D D
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3.3.4
Full Stroke Seek
Figure 8. Full Stroke Seek Time
Full stroke seek is measured as the average of 1000 full stroke seeks.
3.3.5
Average Latency
Figure 9. Latency Time
3.3.6
Drive Ready Time
Figure 10. Drive Ready Time
Ready
The condition in which the drive is able to perform a media access command (e.g.
read, write) immediately.
Power On
This includes the time required for the internal self diagnostics.
Function
Typical
Max
Read
23.0 msec
30.0 msec
Write
24.0 msec
31.0 msec
RPM
Time for a revolution
Average Latency
4000
15.0 msec
7.5 msec
Condition
Typical
Max
Power On To Ready
2.8 sec
9.5 sec
12
OEM Specifications of DTCA-2xxxx 2.5 inch HDD