ASUS P9X79LE User Manual

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Chapter 4: Software support
Chapter 4
4.3.4 
EPU
EPU is an energy-efficient tool that satisfies different computing needs. This utility provides 
several modes that you can select to save system power. Selecting Auto mode will have the 
system shift modes automatically according to current system status. You can also customize 
each mode by configuring settings like CPU frequency, GPU frequency, vCore Voltage, and 
Fan Control.
Launching EPU
After installing AI Suite II from the motherboard support DVD, launch EPU by clicking  
Tool > EPU on the AI Suite II main menu bar.
*•  Select From EPU Installation to show the CO2 that has been reduced since you 
installed EPU.
*•  Select From the Last Reset to show the total CO2 that has been reduced since you 
click the Clear button 
.
• 
Refer to the software manual in the support DVD or visit the ASUS website at  
www.asus.com for detailed software configuration.
*Shifts between the 
display of Total and 
Current CO2 reduced
Displays the system 
properties of each mode 
Displays the following message 
if no VGA power saving engine is 
detected.
Advanced settings for each mode
Multiple system 
operating modes
The items lighting up 
means power saving 
engine is activated
Displays the amount 
of CO2 reduced
Displays the current 
CPU power