Asus V3-P5G965 - Manual (Page 50)

3-10 Chapter 3: Starting up
Maximum
Performance
Medium
Performance
High
Performance
Maximum Power
Saving
3.4.3 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.
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.