Maximizing Battery-Powered Operation; Using Advanced Power Management - IBM ThinkPad 755CX Manual

Maximizing the Battery-Powered Operation

Maximizing Battery-Powered Operation

Using Advanced Power Management

Note:
If you have purchased the computer
with a preinstalled operating system,
the APM is already installed
correctly.
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IBM ThinkPad 755CX User's Guide
To save battery power effectively:
Use Advanced Power Management (APM)
Decrease the LCD brightness
Use power-saving modes
Use power-saving options
The computer has power-management functions built-in. No special
power-management drivers have to be installed before you use the
computer. However, the computer is able to conserve more power
when APM is used.
APM allows you to reduce power consumption when your
applications and devices are idle. Each operating system comes
with its own APM.
When you use OS/2 with your computer, APM is automatically
OS/2
installed when the installation program detects that your
computer has the power-management function.
When you use DOS with your computer, APM is automatically
DOS
installed when the installation program detects that your
computer has the power-management function. To verify that
the computer has APM installed correctly, type power at the
command prompt and press Enter. If a screen similar to the
following appears, APM is successfully installed.
If such a screen does not appear, add the following line to your
CONFIG.SYS file, using a text editor:
\ \