Table 11: Mode Transition Times; Mode Transition Time - Hitachi HTS542525K9SA00 Specifications

4.5.4.2 Mode transition time

Table 11: Mode transition times

From
Standby Idle
Idle Standby
Standby Sleep
Sleep Standby
Unload idle Idle
Idle Unload idle
Low RPM Idle Idle
Note: The command is processed immediately (within 1ms) but there will be an actual spin down time reflecting
the seconds passed until the spindle motor stops.
To RPM
0 ---> 7200
7200 ---> 0
0
0
7200
7200
4500 ---> 7200
Deskstar 7K160 Hard Disk Drive Specification
Transition time (sec)
Typical
6
Immediately
Immediately
Immediately
0.7
0.7
3
18
Maximum
20
Immediately
Immediately
Immediately
20
20
20