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Hibernation (also known as suspend to disk, or Safe Sleep on Macintosh computers [1]) in computing is powering down a computer while retaining its state. When hibernation begins, the computer saves the contents of its random access memory (RAM) to a hard disk or other non-volatile storage .
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.
The actual suspend is done by: echo shutdown > /sys/power/disk; echo disk > /sys/power/state. You may check other suspend options available by doing cat /sys/power/state. depending on your kernel config, it will show something similar to [standby] mem disk. and options available under disk can be viewed by cat /sys/power/disk
autorestart automatic restart after loss of power, 1 to enable or 0 to disable; dps dynamically change processor speed based on load, 1 to enable or 0 to disable; reduce permanently reduce processor speed, 1 to enable or 0 to disable; powerbutton put the machine to sleep when the power button pressed instead of shutting it down, 1 to enable or ...
In order to ensure the uniqueness of the generated Container ID, Windows will attempt to use information unique to the device, such as a MAC address or USB serial number. Devices connected to the computer via USB, IEEE 1394 (FireWire), eSATA, PCI Express, Bluetooth, and Windows Rally's PnP-X support can make use of Device Containers. [141]
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 .
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.
USB 3.0 SuperSpeed – host controller (xHCI) hardware support, no software overhead for out-of-order commands; USB 2.0 High-speed – enables command queuing in USB 2.0 drives; Streams were added to the USB 3.0 SuperSpeed protocol for supporting UAS out-of-order completions USB 3.0 host controller (xHCI) provides hardware support for streams