ACPI
Computer firmware interface standard
Why this is trending
Interest in “ACPI” spiked on Wikipedia on 2026-02-25.
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Key Takeaways
- Advanced Configuration and Power Interface ( ACPI ) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management, auto configuration, and status monitoring.
- ACPI aims to replace Advanced Power Management (APM), the MultiProcessor Specification, and the Plug and Play BIOS (PnP) Specification.
- The specification is central to the Operating System-directed configuration and Power Management ( OSPM ) system.
Advanced Configuration and Power Interface (ACPI) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management, auto configuration, and status monitoring. It was first released in December 1996. ACPI aims to replace Advanced Power Management (APM), the MultiProcessor Specification, and the Plug and Play BIOS (PnP) Specification. ACPI brings power management under the control of the operating system, as opposed to the previous BIOS-centric system that relied on platform-specific firmware to determine power management and configuration policies. The specification is central to the Operating System-directed configuration and Power Management (OSPM) system. ACPI defines hardware abstraction interfaces between the device's firmware, the computer hardware components, and the operating systems.
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