5.0 Using Advanced Power Management (APM) Windows version 3.1 includes support for Advanced Power Management (APM). This enables Windows to extend battery life, display power-status information, and work together with the suspend features of battery- powered personal computers. To find out if your computer supports APM, contact your computer manufacturer. If your computer supports APM, do the following to install it on your system: 1. Quit Windows. 2. Run Windows Setup and select one of the following system types: . MS-DOS System with APM . Intel 386SL Based System with APM Select "Intel 386SL Based System with APM" if your computer has an Intel 386SL processor and supports the SL Enhanced Options for APM. Otherwise, select "MS-DOS System with APM." 3. Restart Windows. A Power icon appears in the Control Panel window. 4. Choose the Power icon to configure power-management settings. For more information about the settings, press F1 or choose the Help button while using the Power Management dialog box. .