In general, the lower the value you set for each power conservation feature, the longer the battery's charge
lasts. On the other hand, setting high values tends to optimize the computer's performance.

To evaluate the way that different settings affect how long you can operate the computer on battery power
versus the relative efficiency of how the software performs, experiment as follows:

Use the computer with all the options set at their default values.

Use the computer with all the options disabled or set to Off.

Use the computer with all the options set to their minimum or maximum values.

NOTE: For Advanced Configuration and Power Interface (ACPI) compliant systems, power
management settings are controlled by the Power Management or Power Options Properties in
the Control Panel. In other systems, power management settings are controlled from the System
Setup program.

Using Key Combinations with Windows 95, Windows 98, and Windows NT

Table 1

identifies the power management key combinations for systems that are APM compliant.

NOTE: To use key combinations on an external keyboard, enable the External Hot Key option in the
System Setup program, and press instead of .

Table 1. Key Combinations to Activate/Deactivate Features