Datasheet

4.3.2.5 Drive Ready Time/Mode Transition Time
0.70.5Stand by to Idle
0.7
0.5Power on to Stand by
Maximum (sec)Typical (sec)Condition
Figure 8. Drive Ready Time
4.3.3 Operating modes
Same as StandbySleep
The drive interface is capable of accepting commands. Spindle motor is
stopped. All circuitry except the host interface is in power saving mode.
The execution of commands is delayed until spindle becomes ready.
Standby
Spindle motor is rotating normally with actuator unloaded to the
parking positions.
Low power idle
Not usedActive idle
The drive is capable of responding immediately to media access
requests. All electronic components remain powered and full frequency
servo remains operational.
Performance Idle
Read operation modeRead
Write operation modeWrite
Seek operation modeSeek
Start up time period from spindle stop or power downSpin-up
DescriptionOperating mode
Figure 9. Operating modes
4.3.3.1 Operating mode at power on
The drive goes to Standby mode after Power On or Hard Reset as an initial state.
4.3.3.2 Adaptive Power Save Control
The transition timing from Performance Idle to Standby is adaptively and automatically controlled with the
access pattern of the host system.
Hard disk drive specification for DSCM-11000/-10512/-10340
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