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Wake-on-LAN (WoL or WOL) is an Ethernet or Token Ring computer networking standard that allows a computer to be turned on or awakened from sleep mode by a network message. It is based upon AMD 's Magic Packet Technology , which was co-developed by AMD and Hewlett-Packard, following its proposal as a standard in 1995.
Windows Vista introduced a hybrid sleep feature, which saves the contents of memory to hard disk but instead of powering down, enters sleep mode. If the power is lost, the computer can resume as if hibernated. Windows 7 introduced compression to the hibernation file and set the default size to 75% of the total physical memory. [18]
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 ...
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In Windows, this can be configured to enter one of the "sleeping modes", i.e. "suspend to RAM" (with fast wake up by pressing any key) or "suspend to disk" (i.e. hibernation, where waking up will require pressing the power button, restoring all running applications in their current running state), or to shutdown the PC completely (closing all ...
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Wake-on-LAN (WoL or WOL) is an Ethernet or Token Ring computer networking standard that allows a computer to be turned on or awakened from sleep mode by a network message. It is based upon AMD 's Magic Packet Technology , which was co-developed by AMD and Hewlett-Packard, following its proposal as a standard in 1995.
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.