|3.4 Maximizing Battery Life
|This section lists several features that can maximize the life of the
|Rechargeable Battery.
| Lower the screen brightness. Set the brightness control to the lowest
| brightness that allows you to view the screen comfortably. See page
| 2.4 for the location of the brightness control. (Changing the
| contrast does not affect battery life.)
| Install the power management device driver programs. If you have not
| installed the power management device driver program for:
| - OS/2, see "Installing the Power Management Device Driver for OS/2"
| in topic D.1.1.
| - Windows 3.0, see "Installing the Power Management Device Driver
| for Windows 3.0" in topic D.2.4.
# - QEMM 5.11 or later, see "Installing the Power Management Device
# Driver for QEMM 5.11 or Later" in topic D.3.2.
# - EMM386, see "Installing the Power Management Device Driver for
# EMM386" in topic D.5.1.
# Change all related operational features at a time. Use the sample
# batch program named TRAVEL. See page 3.8.5.
# Change automatically all related operational features from the AC
# Adapter to the battery. Use the utility program named EXT_PWR.EXE.
# See page E.2.
@ Turn off operational features that are not being used. Use the Set
@ features program, found on the Reference Diskette, to minimize the
| power usage of the following.
| - The LCD display
| - The hard disk
| - The processing speed
| - The parallel port
| - The serial port
| - The Internal Data/Fax Modem.
| See "Managing Power Usage" in topic 3.8.3.2 for more information.
| Enter suspend mode. See "Suspend and Resume Modes" in topic 3.5.
PS/2 Model L40 SX Quick Reference
Maximizing Battery Life
¦ Copyright IBM Corp. 1991
3.4 - 1
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