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Advanced Configuration and Power Interface

Index 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. [1]

92 relations: Active State Power Management, Advanced Configuration and Power Interface, Advanced Micro Devices, Advanced Power Management, Advanced Programmable Interrupt Controller, Alan Cox, AnandTech, BIOS, Bytecode, Cache (computing), Cache coherence, Computer, Computer hardware, Cool'n'Quiet, Coreboot, Declarative programming, Dynamic voltage scaling, EComStation, Executable, Firmware, FreeBSD, Green computing, Haiku (operating system), Hard disk drive, Haswell (microarchitecture), Hewlett-Packard, Hibernation (computing), HP-UX, Huawei, IBM PC compatible, Intel, Interpreter (computing), Kernel (operating system), Legacy Plug and Play, Linus Torvalds, Linux distribution, Linux kernel, Long mode, LongHaul, Mark Shuttleworth, Microsoft, Microsoft Windows, Multiprocessing, MultiProcessor Specification, National Security Agency, NetBSD, Non-volatile memory, Open standard, Open-source model, Open-source software, ..., OpenBSD, OpenVMS, Operating system, Original equipment manufacturer, PCI Express, Pentium 4, Phoenix Technologies, Photodetector, Power key, Power management, Power supply unit (computer), PowerNow!, Proprietary software, Random-access memory, Real-time clock, SeaBIOS, Serial ATA, Server Base System Architecture, Simple Firmware Interface, Sleep mode, Slide show, Solaris (operating system), SpeedStep, The Tech Report, Toshiba, Trojan horse (computing), Ubuntu (operating system), Unified EFI Forum, Unified Extensible Firmware Interface, USB, VIA Technologies, Virtual machine, VirtualBox, Wake-on-LAN, Wake-on-ring, Windows 2000, Windows 98, Windows Server 2003, Windows Vista, Windows XP, 32-bit, 64-bit computing. Expand index (42 more) »

Active State Power Management

Active State Power Management (ASPM) is a power management protocol used to manage PCI Express-based (PCIe) serial link devices as links become less active over time.

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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.

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Advanced Micro Devices

Advanced Micro Devices, Inc. (AMD) is an American multinational semiconductor company based in Santa Clara, California, that develops computer processors and related technologies for business and consumer markets.

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Advanced Power Management

Advanced power management (APM) is an API developed by Intel and Microsoft and released in 1992 which enables an operating system running an IBM-compatible personal computer to work with the BIOS (part of the computer's firmware) to achieve power management.

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Advanced Programmable Interrupt Controller

In computing, Intel's Advanced Programmable Interrupt Controller (APIC) is a family of interrupt controllers.

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Alan Cox

Alan Cox (born 22 July 1968) is a British computer programmer who has been a key figure in the development of Linux.

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AnandTech

AnandTech is an online computer hardware magazine.

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BIOS

BIOS (an acronym for Basic Input/Output System and also known as the System BIOS, ROM BIOS or PC BIOS) is non-volatile firmware used to perform hardware initialization during the booting process (power-on startup), and to provide runtime services for operating systems and programs.

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Bytecode

Bytecode, also termed portable code or p-code, is a form of instruction set designed for efficient execution by a software interpreter.

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Cache (computing)

In computing, a cache, is a hardware or software component that stores data so future requests for that data can be served faster; the data stored in a cache might be the result of an earlier computation, or the duplicate of data stored elsewhere.

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Cache coherence

In computer architecture, cache coherence is the uniformity of shared resource data that ends up stored in multiple local caches.

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Computer

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Computer hardware

Computer hardware includes the physical parts or components of a computer, such as the central processing unit, monitor, keyboard, computer data storage, graphic card, sound card and motherboard.

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Cool'n'Quiet

AMD Cool'n'Quiet is a CPU dynamic frequency scaling and power saving technology introduced by AMD with its Athlon 64 processor line.

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Coreboot

coreboot, formerly known as LinuxBIOS, is a software project aimed at replacing proprietary firmware (BIOS or UEFI) found in most computers with a lightweight firmware designed to perform only the minimum number of tasks necessary to load and run a modern 32-bit or 64-bit operating system.

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Declarative programming

In computer science, declarative programming is a programming paradigm—a style of building the structure and elements of computer programs—that expresses the logic of a computation without describing its control flow.

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Dynamic voltage scaling

Dynamic voltage scaling is a power management technique in computer architecture, where the voltage used in a component is increased or decreased, depending upon circumstances.

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EComStation

eComStation or eCS is a PC operating system based on OS/2, published by Serenity Systems and Mensys BV and currently owned and developed by XEU.com.

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Executable

In computing, executable code or an executable file or executable program, sometimes simply referred to as an executable or binary, causes a computer "to perform indicated tasks according to encoded instructions," as opposed to a data file that must be parsed by a program to be meaningful.

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Firmware

In electronic systems and computing, firmware is a specific class of computer software that provides the low-level control for the device's specific hardware.

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FreeBSD

FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).

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Green computing

Green computing, green ICT as per International Federation of Global & Green ICT "IFGICT", green IT, or ICT sustainability, is the study and practice of environmentally sustainable computing or IT.

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Haiku (operating system)

Haiku is a free and open-source operating system compatible with the now discontinued BeOS.

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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Haswell (microarchitecture)

Haswell is the codename for a processor microarchitecture developed by Intel as the "fourth-generation core" successor to the Ivy Bridge microarchitecture.

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Hewlett-Packard

The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.

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Hibernation (computing)

Hibernation (or suspend to disk) in computing is powering down a computer while retaining its state.

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HP-UX

HP-UX (from "Hewlett Packard Unix") is Hewlett Packard Enterprise's proprietary implementation of the Unix operating system, based on UNIX System V (initially System III) and first released in 1984.

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Huawei

Huawei Technologies Co., Ltd. is a Chinese multinational networking, telecommunications equipment, and services company headquartered in Shenzhen, Guangdong.

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IBM PC compatible

IBM PC compatible computers are computers similar to the original IBM PC, XT, and AT, able to use the same software and expansion cards.

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Intel

Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Interpreter (computing)

In computer science, an interpreter is a computer program that directly executes, i.e. performs, instructions written in a programming or scripting language, without requiring them previously to have been compiled into a machine language program.

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Kernel (operating system)

The kernel is a computer program that is the core of a computer's operating system, with complete control over everything in the system.

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Legacy Plug and Play

The term Legacy Plug and Play, also shortened to PnP, describes a series of specifications and Microsoft Windows features geared towards operating system configuration of devices.

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Linus Torvalds

Linus Benedict Torvalds (born December 28, 1969) is a Finnish-American software engineer who is the creator, and historically, the principal developer of the Linux kernel, which became the kernel for operating systems such as the Linux operating systems, Android, and Chrome OS.

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Linux distribution

A Linux distribution (often abbreviated as distro) is an operating system made from a software collection, which is based upon the Linux kernel and, often, a package management system.

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Linux kernel

The Linux kernel is an open-source monolithic Unix-like computer operating system kernel.

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Long mode

In the x86-64 computer architecture, long mode is the mode where a 64-bit operating system can access 64-bit instructions and registers.

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LongHaul

VIA LongHaul is a CPU speed throttling and power saving technology developed by VIA Technologies.

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Mark Shuttleworth

Mark Richard Shuttleworth (born 18 September 1973) is a South African entrepreneur who is the founder and CEO of Canonical Ltd., the company behind the development of the Linux-based Ubuntu operating system.

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Microsoft

Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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Multiprocessing

Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system.

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MultiProcessor Specification

The MultiProcessor Specification (MPS) for the x86 architecture is an open standard describing enhancements to both operating systems and firmware, which will allow them to work with x86-compatible processors in a multi-processor configuration.

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National Security Agency

The National Security Agency (NSA) is a national-level intelligence agency of the United States Department of Defense, under the authority of the Director of National Intelligence.

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NetBSD

NetBSD is a free and open source Unix-like operating system that descends from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.

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Non-volatile memory

Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retrieve stored information even after having been power cycled.

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Open standard

An open standard is a standard that is publicly available and has various rights to use associated with it, and may also have various properties of how it was designed (e.g. open process).

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Open-source model

The open-source model is a decentralized software-development model that encourages open collaboration.

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Open-source software

Open-source software (OSS) is a type of computer software whose source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.

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OpenBSD

OpenBSD is a free and open-source Unix-like computer operating system descended from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.

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OpenVMS

OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Original equipment manufacturer

An Original Equipment Manufacturer (OEM) is a company that produces parts and equipment that may be marketed by another manufacturer.

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PCI Express

PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X, and AGP bus standards.

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Pentium 4

Pentium 4 is a brand by Intel for an entire series of single-core CPUs for desktops, laptops and entry-level servers.

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Phoenix Technologies

Phoenix Technologies Ltd is an American company that designs, develops and supports core system software for personal computers and other computing devices.

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Photodetector

Photosensors or photodetectors are sensors of light or other electromagnetic energy.

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Power key

The power key, or power button, is a key found on many computer keyboards during the 1980s and into the early 2000s.

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Power management

Power Management is a feature of some electrical appliances, especially copiers, computers, GPUs and computer peripherals such as monitors and printers, that turns off the power or switches the system to a low-power state when inactive.

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Power supply unit (computer)

A power supply unit (or PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.

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PowerNow!

AMD PowerNow! is AMD's dynamic frequency scaling and power saving technology for laptop processors.

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Proprietary software

Proprietary software is non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights.

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Random-access memory

Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.

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Real-time clock

A real-time clock (RTC) is a computer clock (most often in the form of an integrated circuit) that keeps track of the current time.

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SeaBIOS

SeaBIOS is an open source implementation of a 16-bit x86 BIOS, serving as a freely available firmware for x86 systems.

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Serial ATA

Serial ATA (SATA, abbreviated from Serial AT Attachment) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives.

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Server Base System Architecture

The Server Base System Architecture (SBSA) is a hardware system architecture for servers based on 64-bit ARM processors.

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Simple Firmware Interface

Simple Firmware Interface (SFI) is developed by Intel Corporation as a lightweight method for firmware to export static tables to the operating system.

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Sleep mode

Sleep mode is a low power mode for electronic devices such as computers, televisions, and remote controlled devices.

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Slide show

A slide show is a presentation of a series of still images on a projection screen or electronic display device, typically in a prearranged sequence.

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Solaris (operating system)

Solaris is a Unix operating system originally developed by Sun Microsystems.

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SpeedStep

Enhanced SpeedStep is a series of dynamic frequency scaling technologies (codenamed Geyserville and including SpeedStep, SpeedStep II, and SpeedStep III) built into some Intel microprocessors that allow the clock speed of the processor to be dynamically changed (to different P-states) by software.

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The Tech Report

The Tech Report is a web site dedicated to covering personal computing technology and culture.

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Toshiba

, commonly known as Toshiba, is a Japanese multinational conglomerate headquartered in Tokyo, Japan.

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Trojan horse (computing)

In computing, a Trojan horse, or Trojan, is any malicious computer program which misleads users of its true intent.

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Ubuntu (operating system)

Ubuntu (stylized as ubuntu) is a free and open source operating system and Linux distribution based on Debian.

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Unified EFI Forum

The Unified Extensible Firmware Interface Forum or UEFI Forum is an alliance between several leading technology companies to modernize the booting process.

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Unified Extensible Firmware Interface

The Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and platform firmware.

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USB

USB (abbreviation of Universal Serial Bus), is an industry standard that was developed to define cables, connectors and protocols for connection, communication, and power supply between personal computers and their peripheral devices.

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VIA Technologies

VIA Technologies Inc., is a Taiwanese manufacturer of integrated circuits, mainly motherboard chipsets, CPUs, and memory.

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Virtual machine

In computing, a virtual machine (VM) is an emulation of a computer system.

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VirtualBox

Oracle VM VirtualBox (formerly Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox) is a free and open-source hypervisor for x86 computers currently being developed by Oracle Corporation.

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Wake-on-LAN

Wake-on-LAN (WoL) is an Ethernet or token ring computer networking standard that allows a computer to be turned on or awakened by a network message.

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Wake-on-ring

Wake-on-Ring (WOR), sometimes referred to as Wake-on-Modem (WOM), is a specification that allows supported computers and devices to "wake up" or turn on from a sleeping, hibernating or "soft off" state (e.g. ACPI state G1 or G2), and begin operation.

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Windows 2000

Windows 2000 (codenamed NT 5.0) is an operating system for use on both client and server computers.

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Windows 98

Windows 98 (codenamed Memphis while in development) is a graphical operating system by Microsoft.

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Windows Server 2003

Windows Server 2003 is a server operating system produced by Microsoft and released on April 24, 2003.

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Windows Vista

Windows Vista (codenamed Longhorn) is an operating system by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs.

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Windows XP

Windows XP (codenamed Whistler) is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems.

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32-bit

32-bit microcomputers are computers in which 32-bit microprocessors are the norm.

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64-bit computing

In computer architecture, 64-bit computing is the use of processors that have datapath widths, integer size, and memory address widths of 64 bits (eight octets).

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Redirects here:

ACPI Component Architecture, ACPI Machine Language, ACPI Source Language, ACPI power states, ACPICA, APEI, Acpi, Acpi error, Acpi errors, Advanced Configuration Power Interface, Advanced configuration and power interface, C state, C1E, CPU power state, CPU power states, CPU sleep state, CPU state, Computer system power states, D state, DSDT, Differentiated System Description Table, G state, Global System Interrupt, Global states, Multiple APIC Description Table, Operating System-directed configuration and Power Management, P state, Performance state, Quick Resume, S state, SRAT, Secondary System Description Table, Standby (computers), Static Resource Affinity Table, Suspend to RAM.

References

[1] https://en.wikipedia.org/wiki/Advanced_Configuration_and_Power_Interface

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