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DevSlp or DevSleep (sometimes referred to as device sleep or SATA DEVSLP) is a feature in some SATA devices which allows them to go into a low power "device sleep" mode when sent the appropriate signal, which uses one or two orders of magnitude less power than a traditional idle (about 5 mW, [1] but some drives can get as low as 2.5 mW [2]).
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.
displaysleep – display sleep timer in minutes, 0 to disable display sleep; disksleep – disk spin-down timer in minutes, 0 to disable disk sleep; sleep – system sleep timer in minutes, 0 to disable sleep; womp - wake on "magic" Ethernet packet, 1 to enable or 0 to disable. Note this setting only appears when running "pmset -g" if the ...
Device Sleep with a maximum return latency of 20 milliseconds unless otherwise specified in Identify Data Log; These can be selected by the SATA AHCI driver, usually via a configuration option, or by the OS Power Options. Windows Vista and later allows the tweaking of AHCI LPM modes through a registry hack. [3] Hot swapping is disabled.
The Windows Registry is a hierarchical database that stores low-level settings for the Microsoft Windows operating system and for applications that opt to use the registry. The kernel , device drivers , services , Security Accounts Manager , and user interfaces can all use the registry.
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 (e.g. putting unused hardware components to sleep), auto configuration (e.g. Plug and Play and hot swapping), and status monitoring.
Windows 8.1 added a Registry setting to revert the changes, which is also available to Windows 8 users after installing a hotfix. [33] The sounds played upon login, logout and system shutdown and the sound events themselves were removed. The startup sound remains but is disabled by default. [34].NET Framework 3.5 is no longer installed. Windows ...
MSConfig is a troubleshooting tool which is used to temporarily disable or re-enable software, device drivers or Windows services that run during startup process to help the user determine the cause of a problem with Windows. Some of its functionality varies by Windows versions: [3]