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Warning ! Unstored data is lost when you turn off the computer power in
Standby mode or when the battery is drained.
To leave Standby mode and return to normal mode:
• Press any key
• Move the active pointing device (internal or external PS/2)
• Have the resume timer set and let it be matched
• Open the display cover
• Experience an incomi ng PC card modem event

Hibernation mode

In Hibernation mode , all power shuts off (the computer does not co nsume any
power). The computer saves all system information onto the hard disk before it
enters Hibernation mode. Once you turn on the power, the computer restores this
information and resumes where you left off upon leaving Hibernation mode.
There is one necessary condition for th e com puter to enter Hibernation mode:
• The Hibernation file created by Sleep Manager must be present and valid.
See “Sleep Manager” on pa ge 74.
In this situation, there are a number of ways to enter Hibernation mode:
• When customized functions for po we r m anage ment ar e s et t o Hi ber nati on a nd
the corresponding action is taken. See “Setting advanced features in powe r
management” on page 86 for more information.
• Invoked by the operating system power-saving modes
To exit Hibernation mode, press the power switch. T he computer also resum es
from Hibernation mode if the resume timer is set and matched.
Warning ! Do not change any devices (such as add memory or swap hard
disks) when the computer is in Hibernation mode.
Power management for peripherals
Below are examples of how power management is applied to peripherals and
devices installed in your computer.