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# I. eCos Power Management Support

Table of Contents
Introduction — eCos support for Power Management
Power Management Information — finding out about the various power controllers in the system
Changing Power Modes — reducing or increasing power consumption as needed
Support for Policy Modules — closer integration with higher-level code
Attached and Detached Controllers — control which power controllers are affected by global changes
Implementing a Power Controller — adding power management support to device drivers and other packages

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|  | Introduction