IBM DTCA-24090 Hard Drive Specifications - Page 22

Mode Transition Time., 3.7.2, Operating mode at power on, 3.7.3, Adaptive power save control

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3.3.7.1 Mode Transition Time. From To Standby Idle Transition Time 1.6 sec typ, 9.5 sec max. Figure 12. Mode Transition Time 3.3.7.2 Operating mode at power on The device goes to Idle mode after power on or hard reset as an initial state. Initial state may be changed to Standby mode using pin 49 on the interface connector. Refer to 6.6, " Drive Address Setting" on page 52 for detail. 3.3.7.3 Adaptive power save control The transient timing from active mode to Idle mode is adaptively controlled to the access pattern of the host system. 14 OEM Specifications of DTCA-2xxxx 2.5 inch H D D

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3.3.7.1
Mode Transition Time.
From
To
Transition Time
Standby
Idle
1.6 sec typ,
9.5 sec max.
Figure 12. Mode Transition Time
3.3.7.2
Operating mode at power on
The device goes to Idle mode after power on or hard reset as an initial state. Initial state may be changed to
Standby mode using pin 49 on the interface connector. Refer to 6.6, “ Drive Address Setting” on page 52 for
detail.
3.3.7.3
Adaptive power save control
The transient timing from active mode to Idle mode is adaptively controlled to the access pattern of the host
system.
14
OEM Specifications of DTCA-2xxxx 2.5 inch HDD