Toshiba Satellite U840 - Manual (Page 35)

If you want to enable this feature, under the conditions mentioned above,
select the Display Power Saving Technology check box.
Intel Rapid Start Technology
This computer supports Intel ® Rapid Start Technology which enables the
computer to change to Hibernation Mode from Sleep Mode after a specified
period of time.
With the Intel ® Rapid Start Technology, the Windows can rapidly resume
from Hibernation Mode and battery life will be longer than when in Sleep
Mode.
Intel ® Rapid Start Technology is enabled at factory default. The computer
will switch to Hibernation Mode after two hours of Sleep Mode.
You can use BIOS Setup to enable/disable the function and change the
specified time setting from Sleep Mode to Hibernation Mode.
1.
Turn on the computer, and then press the F2 key when the TOSHIBA
Leading Innovation>>> logo screen appears - the BIOS setup
application will load.
2. Select Power Management.
3. Enable/Disable Intel(R) Rapid Start Technology function.
4. You can select the period of time from Sleep Mode to Hibernation
Mode using Rapid Start Entry after. If the Immediately option is
selected, the computer will switch to Hibernation Mode immediately
after your computer goes into the Sleep Mode.
When Intel ® Rapid Start Technology is enabled, switching from Sleep
Mode to Hibernation Mode consumes power. When you carry your
computer aboard on an aircraft or in places where electronic devices
are regulated or controlled, always power off your computer.
When Intel ® Rapid Start Technology is enabled, Wake-up on LAN,
Wake-up on USB or Wake-up from Sleep Mode automatically
functions are not available when the computer has been switched from
Sleep Mode to Hibernation Mode.
The Windows cannot be restored normally if the battery is exhausted
when the computer is moving from Sleep Mode to Hibernation Mode.
The partition allocation on the Hard Disk Drive for the Intel ® Rapid
Start Technology cannot be deleted even if Intel ® Rapid Start
Technology is disabled.
Intel ® Rapid Start Technology can be used only for Windows 7.
Intel ® Rapid Start Technology cannot be used in models that do not
equipped with a Solid State Drive.
The Windows restore time from Hibernation Mode depends on the
amount of system memory used in the computer.
Satellite U840/U800 Series
User's Manual 2-11