What does ACPI mean in Drivers?
This page is about the meanings of the acronym/abbreviation/shorthand ACPI in the Computing field in general and in the Drivers terminology in particular.
Submitted by paul8539 on May 19, 2007
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Definition
What does ACPI mean?
- Advanced Configuration and Power Interface
- In a computer, the Advanced Configuration and Power Interface (ACPI) provides an open standard that operating systems can use to discover and configure computer hardware components, to perform power management by (for example) putting unused components to sleep, and to perform status monitoring. 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 the 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, an implementation for ACPI which removes device management responsibilities from legacy firmware interfaces via a UI. Internally, ACPI advertises the available components and their functions to the operating system kernel using instruction lists ("methods") provided through the system firmware (Unified Extensible Firmware Interface (UEFI) or BIOS), which the kernel parses. ACPI then executes the desired operations written in ACPI Machine Language (such as the initialization of hardware components) using an embedded minimal virtual machine. Intel, Microsoft and Toshiba originally developed the standard, while HP, Huawei and Phoenix also participated later. In October 2013, ACPI Special Interest Group (ACPI SIG), the original developers of the ACPI standard, agreed to transfer all assets to the UEFI Forum, in which all future development will take place.The UEFI Forum published the latest version of the standard, "Revision 6.3", in end of January 2019.
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"ACPI." Abbreviations.com. STANDS4 LLC, 2023. Web. 30 Nov. 2023. <https://www.abbreviations.com/term/398212>.
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