Compaq Armada M300 Series Reference Manual page 52

Before the performance mode changes from Battery
Optimized to Maximum Performance mode in Windows 95 or
Windows NT 4.0 —You are prompted to restart the computer.
The restart selection on the prompt restarts the computer and
returns your work to the screen.
It is not necessary to restart the computer to change from
Battery Optimized to Maximum Performance mode in
Windows 98
or from
Maximum Performance to Battery Optimized mode in any
operating system.
The SpeedStep technology performance modes are independent of
all other power settings available on the computer except the
Custom processor speed settings available in Windows 95 and
Windows NT 4.0.
In Windows 95 or Windows NT 4.0 only—
Custom processor speed settings can be set by selecting
StartÆSettingsÆControl PanelÆPower or Compaq Power
PropertiesÆBattery Conservation Settings tabÆCustom.
The Custom processor speed applies any time the computer is
running on battery power.
If the SpeedStep window and icon are not accessible, they
may be disabled in Computer Setup. To enable the window and
icon, refer to Chapter 14 in this guide.
To open the SpeedStep window from the desktop—
In Windows 95 or Windows NT 4.0, select
StartÆProgramsÆIntel SpeedStep technology.
In Windows 98, select StartÆSettingsÆControl
PanelÆPower MangementÆIntel SpeedStep technology tab.