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Inside Macintosh: Devices /
Chapter 6 - Power Manager / Power Manager Reference
Power Manager Routines

Reading the Status of the Battery and the Battery Charger

The Power Manager monitors the voltage level of the internal battery and warns the user when the voltage drops below a threshold value stored in parameter RAM. If the voltage continues to drop and falls below another, lower value stored in parameter RAM, the Power Manager puts the computer into the sleep state. The Power Manager provides a function that allows you to read the state of charge of the battery and the status of the battery charger.


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© Apple Computer, Inc.
3 JUL 1996