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powerbutton put the machine to sleep when the power button pressed instead of shutting it down, 1 to enable or 0 to disable; powernap lets machine stay up to date even while they're sleeping, 1 to enable or 0 to disable; lidwake (laptop only) wake the machine when the laptop lid is opened, 1 to enable or 0 to disable
The Slow Sync flash, 4K 60fps, and 1080p 240 fps options are new features for the 8 and 8 Plus, over the options available on the iPhone 7 and 7 Plus. The iPhone 8 Plus, like the iPhone 7 Plus, adds a second, telephoto, lens. A new AI-driven option is available for the iPhone 8 Plus, called Portrait Lighting--making use of the more capable ...
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.
A real time clock alarm is a feature that can be used to allow a computer to 'wake up' after shut down to execute tasks every day or on a certain day. It can sometimes be found in the 'Power Management' section of a motherboard's BIOS/UEFI setup. Wake On LAN, Wake on ring, and IPMI functions could also be used to start a computer after it is ...
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.
The system treats every signal( ) to wake one thread as a broadcast( ) to wake all of them, thus breaking any possibly expected 1:1 relationship between signals and wakeup. [1] If ten threads are waiting, only one will win and the other nine will experience spurious wakeup.
In its demonstration, Apple showed an iPhone — powered by a new A18 chip — using the new camera control button to snap a photo of a restaurant to instantly search it on Google for reviews.
The method by which a sleep proxy server wakes a sleeping host is wake-on-LAN. The network interface of a sleeping host with this capability will wake the machine when it receives a specific series of bits, and a packet containing this pattern is a magic packet. Early implementations of Wake on LAN (WoL) required