User's Manual
Table Of Contents
- Contents
- Chapter 1: Product introduction
- Chapter 2: Hardware information
- 2.1 Before you proceed
- 2.2 Motherboard overview
- 2.3 Building your computer system
- 2.3.1 Additional tools and components to build a PC system
- 2.3.2 CPU installation
- 2.3.3 CPU heatsink and fan assembly installation
- 2.3.4 DIMM installation
- 2.3.5 Motherboard installation
- 2.3.6 ATX Power connection
- 2.3.7 SATA device connection
- 2.3.8 Front I/O Connector
- 2.3.9 Expension Card installation
- 2.3.10 USB BIOS Flashback
- 2.3.11 Rear panel connection
- 2.3.12 Audio I/O connections
- 2.4 Starting up for the first time
- 2.5 Turning off the computer
- Chapter 3: BIOS setup
- Chapter 4: Software support
- 4.1 Installing an operating system
- 4.2 Support DVD information
- 4.3 Software information
- 4.4 RAID configurations
- 4.4.1 RAID definitions
- 4.4.2 Installing Serial ATA hard disks
- 4.4.3 Setting the RAID item in BIOS
- 4.4.4 Intel® Rapid Storage Technology Option ROM utility
- 4.4.5 Introduction to Intel® 2012 Desktop responsiveness technologies
- 4.4.6 Intel® Smart Response Technology
- 4.4.7 Intel® Rapid Start Technology
- 4.4.8 Intel® Smart Connect Technology
- 4.5 Creating a RAID driver disk
- Chapter 5: Multiple GPU technology support
- Appendices

4-12
Chapter 4: Software support
Chapter 4
4.3.4 EPU
EPU is an energy-efcient tool that satises 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 conguring 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 conguration.
*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