Table 12: Mode Transition Time - Hitachi HTS541010G9AT00 - Travelstar 100 GB Hard Drive Specifications

4.4.4.1 Mode transition time

Table 12: Mode transition time

Transition time (sec)
From To
Typical Maximum
Standby Idle 2.5 9.5
"Immediately" means within 1ms.
Note: The command is processed immediately but there will be an actual spin down time reflecting the seconds
passed until the spindle motor stops.
4.4.4.2 Operating mode at power on
The device goes into Idle mode after power on or hard reset as an ititial state. Initial state may be changed to
Standby mode using pin C on the interface connector.
4.4.4.3 Adaptive power save control
The transient timing from Performance Idle mode to Active Idle mode and Active Idle mode to Low Power Idle
mode is controlled adaptively according to the access pattern of the host system. The transient timing from Low
Power Idle mode to Standby mode is also controlled adaptively, if it is allowed by Set Features Enable Advanced
Power Management subcommand.
Travelstar 5K100 (Sreial ATA) Hard Disk Drive Specification
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