Remote Wake Up?

[Zoom7000]

Is it possible to install any (free) software that will enable me to remotely wake up my PC over the internet? I have a Gigabyte GA-8IPE775-G (Rev. 1.1) Motherboard. I think it has Wake On LAN, but I'm not sure. However, is there an alternate way of doing this? I am on a static IP too, if that helps!

[noxela]

Understanding Remote Wake-up

The ability to remotely wake computers is an important development in computer management. This feature has evolved over the last few years from a simple remote power-on capability to a complex system interacting with a variety of device and OS power states.

In early implementations, the system could be started from a power off state by sending a "Magic Packet*." The Magic Packet contained the adapters MAC address repeated 16 times in the data field. The adapter, which was supplied with power from a standby power supply when the computer was turned off, would react to a "Magic Packet" containing its own MAC address by toggling a signal connected to the computer power control circuitry. The power control circuitry, in response, would activate power to the computer resulting in the computer booting the OS. This allowed network administrators to perform off-hours maintenance at remote locations without sending a technician out.

This early implementation did not require an OS that was "aware" of remote wake-up. However, it did require a computer that was equipped with a standby power supply and had the necessary circuitry to allow the remote power control. These computers were typically equipped with a feature named APM (Advanced Power Management). APM provided BIOS-based power control.

Newer computers feature ACPI (Advanced Configuration and Power Interface), which extends the APM concept to allow the OS to selectively control power by individual components. ACPI supports a variety of power states. Each state represents a different level of power, from fully powered up to completely powered down, with partial levels of power in each intermediate state. Here is a quick synopsis:

S0 On and fully operational.

S1 System is in low power mode (a.k.a. sleep mode). The CPU clock is stopped, but RAM is powered on and being refreshed.

S2 Similar to S1, but power is removed from the CPU.

S3 Suspend to RAM (a.k.a. standby mode). Basically, most components are shutdown except RAM.

S4 Suspend to disk (a.k.a. hibernate mode). The memory contents are swapped to the disk drive, and then reloaded into RAM when the system is awakened.

S5 Power off.

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[Mordac85]

I understand all of the theory, but I've never found a utility/script that is able to actually get a remote system to turn on. Has anyone ever actually got this woking and, if so, how?