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ADC Home > Documentation > Hardware > Device Managers and Drivers > Power Manager

The Power Manager is the part of the Mac OS that controls power to the internal hardware devices of Macintosh PowerBook computers. The Power Manager automatically shuts off power to internal devices to conserve power whenever the computer has not been used for a predetermined amount of time. In addition, the Power Manager allows your software to read the status of and control power to some subsystem, of a battery-powered Macintosh computer.

Technotes TN1099: Power Management & PC Card Manager 3.0 Technote 1046: Inside Macintosh: Devices, Power Manager Addenda Technote 1086: Power Management & the Energy Saver API Q&As     Inside Macintosh: Devices (Chapter 6 - Power Manager) This book describes how to write software that interacts with built-in and peripheral hardware devices. This book provides useful information for writing and debugging low-level software. Chapter 6 of Inside Macintosh: Devices is the fundamental reference for the Power Manager.

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