ALERT

[LAST CHANCE] Data Layer: Modern Business, Defined

Advanced Configuration And Power Interface (ACPI)

Definition - What does Advanced Configuration And Power Interface (ACPI) mean?

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.

Techopedia explains Advanced Configuration And Power Interface (ACPI)

ACPI provides a crossover from earlier standards to hardware that is completely ACPI-compliant. Geared toward substituting the plug and play (PnP) basic input/output system (BIOS) specification, multiprocessor specification and advanced power management, the ACPI standard delivers power to operating system power management (OSPM), in contrast to earlier BIOS central systems that primarily depend on platform specific firmware to determine power management and configuration policy.

ACPI includes various related components for software and hardware programming, as well as a unified standard for power/device interaction and bus configuration. With ACPI, the following functions are feasible, presuming they are supported by the OS:
  • Users can specify a time in which a device, such as a display monitor, is turned off or on.
  • Users of a notebook computer can specify low level power consumption during a low-battery warning, allowing required applications to run while making less important applications inactive.
  • OSs can reduce the clock speed if the applications do not require full processor clock speed.
  • OSs can decrease peripheral device and motherboard power consumption through the inactivation of devices, when not required.
  • Computers can go into standby mode if the system is not in use. However, the modem power remains on so that incoming mails/faxes may be received.

Techopedia Deals

Connect with us

Techopedia on Linkedin
Techopedia on Linkedin
Tweat cdn.techopedia.com
"Techopedia" on Twitter


'@Techopedia'
Sign up for Techopedia's Free Newsletter!

Email Newsletter

Join thousands of others with our weekly newsletter

Resources
The 4th Era of IT Infrastructure: Superconverged Systems
The 4th Era of IT Infrastructure: Superconverged Systems:
Learn the benefits and limitations of the 3 generations of IT infrastructure – siloed, converged and hyperconverged – and discover how the 4th...
Approaches and Benefits of Network Virtualization
Approaches and Benefits of Network Virtualization:
Businesses today aspire to achieve a software-defined datacenter (SDDC) to enhance business agility and reduce operational complexity. However, the...
Free E-Book: Public Cloud Guide
Free E-Book: Public Cloud Guide:
This white paper is for leaders of Operations, Engineering, or Infrastructure teams who are creating or executing an IT roadmap.
Free Tool: Virtual Health Monitor
Free Tool: Virtual Health Monitor:
Virtual Health Monitor is a free virtualization monitoring and reporting tool for VMware, Hyper-V, RHEV, and XenServer environments.
Free 30 Day Trial – Turbonomic
Free 30 Day Trial – Turbonomic:
Turbonomic delivers an autonomic platform where virtual and cloud environments self-manage in real-time to assure application performance.