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Sleep mode (or suspend to RAM) is a low power mode for electronic devices such as computers, televisions, and remote controlled devices. These modes save significantly on electrical consumption compared to leaving a device fully on and, upon resume, allow the user to avoid having to reissue instructions or to wait for a machine to boot .
Additional arguments be supplied when assigning any power management settings. Power management arguments are discussed in greater detail below. When invoking the command, only specified arguments modify power management options. Any arguments already set will be unmodified by pmset unless those arguments are specifically included. The utility ...
Apple's macOS includes idle and sleep configuration settings through the Energy Saver System Preferences applet. [4] Likewise, Linux distributions include a variety of power management settings and tools. [5] There is a significant market in third-party PC power management software offering features beyond those present in the Windows operating ...
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.
Power management is a feature of some electrical appliances, especially copiers, computers, computer CPUs, computer 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.
Power gating uses low-leakage PMOS transistors as header switches to shut off power supplies to parts of a design in standby or sleep mode. NMOS footer switches can also be used as sleep transistors. Inserting the sleep transistors splits the chip's power network into a permanent power network connected to the power supply and a virtual power ...
Sleep mode and hibernation can be combined: the contents of RAM are copied to the non-volatile storage and the computer enters sleep mode. This approach combines the benefits of sleep mode and hibernation: The machine can resume instantaneously, and its state, including open and unsaved files, survives a power outage.
Device Sleep with a maximum return latency of 20 milliseconds unless otherwise specified in Identify Data Log. If SATA hot swapping is enabled, this state is unavailable. These can be selected by the SATA AHCI driver, usually via a configuration option, or by the OS Power Options.