44Chapter 2
Operating on Battery Power
The following signals indicate that the computer is in Standby mode:
❑The buzzer beeps
❑The Standby indicator lights
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 incoming PC card modem event
Hibernation Mode
In Hibernation mode, all power shuts off (the computer does not consume 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 conditions for the computer to enter
Hibernation mode:
❑The Hibernation file created by Sleep Manager must be present and valid. See “Sleep Manager” on page 76.
In this situation, there are five ways to enter Hibernation mode:
❑Pressing the Hibernation hot key
❑If the waiting time specified by the System Hibernation value elapses without any system activity
❑If a battery low condition occurs and the Sleep Upon
