Power Management Features (TP 560Z - 2640)
Power Management Features
Three power management modes are provided by the
computer to reduce power consumption and prolong battery power.
Standby Mode
In standby mode, the following occurs:
- The LCD backlight turns off.
- The hard disk drive motor stops.
- The speaker is muted.
The computer enters standby mode when the Fn+F3 keys are pressed.
The computer exits standby and resumes normal operation when any key is pressed.
NOTE: Standby mode in Windows 98 is called suspend mode in Windows 95.
Suspend Mode
The following events occur in addition to what occurs in standby mode when the computer enters suspend mode:
- The LCD is powered off.
- The hard disk drive is powered off.
- The CPU stops.
NOTE: Suspend mode in Windows 95 is called standby mode in Windows 98.
The following events cause the computer to enter suspend mode:
- The Fn + F4 keys are pressed.
- The LCD cover is closed.
If you add a check mark to the Will not suspend even if LCD is closed box in the 'Power Management Properties'
window, the computer will not enter suspend mode even if the LCD is closed.
The LCD only turns off.
The Suspend button is selected in the Fuel-Gauge program.
The specified time has elapsed from the last operation with the keyboard, the TrackPoint, the hard
disk drive, the parallel connector, or the diskette drive, or the AC Adapter is plugged in.
In Windows 95, the timer is set by the Suspend Timer in the 'Power Properties' window.
In Windows 98, the timer is set by the System standby timer in the 'Power Management Properties' window.
The battery indicator blinks orange indicating that the battery power is low.
If you add a check mark to the Hibernate when battery becomes low box in the 'Power Management Properties'
window, the computer enters hibernation mode under this condition.
NOTE: In Windows 98, the Alarms setting in the
'Power Management Properties' window may not be synchronous with the actual low battery
condition which shows a blinking then a steady orange and may cause the alarm to sound prematurely.
NOTE: The computer cannot enter suspend mode when it is attached to a docking station.
The following events cause the computer to resume operation from suspend mode:
- The Fn key is pressed.
- The LCD cover is opened.
- The power switch is turned on.
- The resume timer is set.
In Windows 95, you can set the time in the resume on timer in the 'Power Management Properties' window.
In Windows 98, the Scheduled Tasks setting has priority over the resume on timer in the 'Power Management Properties' window.
NOTE: The computer does not accept any event immediately after it enters suspend mode.
Therefore, wait a few seconds before taking any action to reenter operation mode.
Hibernation Mode
In hibernation mode, the following occurs:
- The system status, RAM, VRAM, and setup data are stored on the hard disk.
- The system is powered off.
The following events cause the computer to enter hibernation mode:
The Fn+F12 keys are pressed.
The Hibernation button is selected in the Fuel-Gauge program.
The power switch is turned off and hibernation mode is set to Hibernate by Power Switch???.
The timer conditions are satisfied in suspend mode (for operating systems other than Windows 98).
A critically low battery condition occurs and hibernation mode is set to Hibernate when battery becomes low.
The computer exits hibernation mode and resumes operation when the Power switch is pressed. When power
is turned on, the hibernation file in the boot record on the hard disk drive is read and system status is restored from
the hard disk drive.
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