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powercfg (executable name powercfg.exe) is a command-line utility that is used from an elevated Windows Command Prompt to control all configurable power system settings, including hardware-specific configurations that are not configurable through the Control Panel, on a per-user basis.
This service has been implicated in poor networking performance while multimedia is playing. [4] [5] In response to this, Microsoft has included a configurable option [6] in Windows Vista Service Pack 1 and later where users can specify the network throttling index value for the Multimedia Class Scheduling Service so that network performance and audio/video playback quality can be balanced ...
Builtin HECI functionality and third-party management cards can allow the Host OS to directly initiate management events (such as remote wake, or, out-of-band throttling to decrease thermal and power profile) in case HECI is supported by the running OS. Example devices are network cards and graphics cards. Besides that, both HECI and other ME ...
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PowerToys Power Calculator Power Calculator was a more advanced graphical calculator application than the built-in Windows Calculator; it could evaluate more complex expressions, draw a Cartesian or polar graph of a function or convert units of measurements. Power Calculator could store and reuse pre-defined functions, of any arity.
Dynamic frequency scaling (also known as CPU throttling) is a power management technique in computer architecture whereby the frequency of a microprocessor can be automatically adjusted "on the fly" depending on the actual needs, to conserve power and reduce the amount of heat generated by the chip.
The exact power saving scheme depends on the operating system version and on the hardware and firmware capabilities of the system in question. For instance, on x86 processors under Windows 2000, the idle thread will run a loop of halt instructions, which causes the CPU to turn off many internal components until an interrupt request arrives.
Other buttons and switches (e.g., power button, laptop lid switch (received from hall sensor)) [2] Controlling access to the A20 line [ 3 ] Thermal measurement (CPU, GPU, Motherboard) and response including fan control , CPU and GPU throttling , and emergency shutdown in response to rising temperatures