Deskstar 7K160 Hard Disk Drive Specification
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4.5.4.2 Mode transition time
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.
Table 11: Mode transition times
From To RPM
Transition time (sec)
Typical Maximum
Standby Idle 0 ---> 7200 6 20
Idle Standby 7200 ---> 0 Immediately Immediately
Standby Sleep 0 Immediately Immediately
Sleep Standby 0 Immediately Immediately
Unload idle Idle 7200 0.7 20
Idle Unload idle 7200 0.7 20
Low RPM Idle Idle 4500 ---> 7200 3 20