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Advanced Configuration and Power Interface (ACPI) is an industry specification intended for the efficient management of power consumption in mobile and desktop computers. ACPI describes the way in which a computer's standard input/output system, peripheral devices and operating system (OS) correspond regarding power consumption. ACPI’s key goal is to consolidate, examine and enhance the present power and configuration standards meant for hardware devices.
Launched December 1996, ACPI specifies platform-independent interfaces intended for configuration, hardware discovery, monitoring and power management. This standard was initially designed by Intel, Toshiba and Microsoft and later accompanied by Phoenix and HP.