Microsoft KB Archive/154642

= Power Management in Windows NT 4.0 =

Article ID: 154642

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q154642



SYMPTOMS
Power management features such as Suspend are not available in Windows NT version 4.0.



CAUSE
By design, Windows NT version 4.0 lacks power management features.



STATUS
Microsoft plans to include this technology, which is currently available in Windows 95, in a future release of Windows NT.



MORE INFORMATION
Most new portable computers support advanced power management (APM). Windows 95 fully supports APM version 1.1 and provides a visual indication of the system's power status on the taskbar. Windows 95 includes power- management APIs that make the information provided by APM 1.1 available to programs. Programs can help conserve a portable PC's batteries by turning off disk-intensive background operations and making other adjustments to maximize battery life. Windows 95 makes built-in power-management hardware easier to use by supplementing external "Suspend" buttons with a command on the Start menu, and by powering down and resetting peripheral devices as part of the suspend cycle.

Keywords: kbhardware KB154642

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