Asus M2N-SLI Deluxe - Manual (Page 133)

ASUS M2N-SLI Deluxe -
5.3.4 ASUS AI Nap
This feature allows you to minimize the power consumption of your computer
whenever you are away. Enable this feature for minimum power consumption and
a more quiet system operation.
After installing AI Nap from the bundled support CD, you can launch the utility
by double-clicking the AI Nap icon on the Windows OS taskbar. Click Yes on the
confirmation screen.
To exit AI Nap mode, press the system power or mouse button then click Yes on
the confirmation screen.