Figure 9. Single Track Seek Time; Figure 10. Latency Time; Average Latency; Figure 11. Drive Ready Time - IBM DJSA-210 - Travelstar 10 GB Hard Drive Specifications

4.5.2.3 Single track seek time (without command overhead, including settling)
Command Type
Read
Write

Figure 9. Single track seek time

Single track seek is measured as the average of one (1) single track seek from every track in both
directions (inward and outward).

4.5.2.4 Average latency

Model
DJSA-232
DJSA-230/220/210/205

Figure 10. Latency time

4.5.2.5 Drive ready time
Condition
Power On To Ready
Power On To Ready
Power On To Ready

Figure 11. Drive ready time

Ready
Power On To Ready
Typical (ms)
2.5
3.0
Rotational Speed
(RPM)
5400
4200
Model
DJSA-232
DJSA-230
DJSA-220/210/205
The condition in which the drive is able to perform a media access command
(for example—read, write) immediately.
This includes the time required for the internal self diagnostics.
Travelstar 33GH/30GT/20GN hard disk drive specifications
Maximum (ms)
4.0
4.5
Time/1 revolution
(ms)
11.1
14.3
Typical (sec)
5.0
3.3
3.0
15
Average Latency
(ms)
5.5
7.1
Max. (sec)
9.5
9.5
9.5