Manual
Table Of Contents
- P7P55D-E Premium specifications summary
- About this guide
- Safety information
- Notices
- Chapter 1: Product introduction
- Chapter 2: Hardware information
- Chapter 3: BIOS setup
- 3.1 Knowing BIOS
- 3.2 Updating BIOS
- 3.3 BIOS setup program
- 3.4 Main menu
- 3.5 Ai Tweaker menu
- 3.5.1 Ai Overclock Tuner [Auto]
- 3.5.2 CPU Ratio Setting [Auto]
- 3.5.3 Intel(R) SpeedStep(TM) Tech [Enabled]
- 3.5.4 Intel(R) TurboMode Tech [Enabled]
- 3.5.5 Xtreme Phase Full Power Mode [Auto]
- 3.5.6 DRAM Frequency [Auto]
- 3.5.7 QPI Frequency [Auto]
- 3.5.8. DRAM Timing Control [Auto]
- 3.5.9 CPU Differential Amplitude [Auto]
- 3.5.10 CPU Clock Skew [Auto]
- 3.5.11 CPU Voltage Mode [Offset]
- 3.5.12 IMC Voltage [Auto]
- 3.5.13 DRAM Voltage [Auto]
- 3.5.14 CPU PLL Voltage [Auto]
- 3.5.15 PCH Voltage [Auto]
- 3.5.16 DRAM DATA REF Voltage on CHA/B [Auto]
- 3.5.17 DRAM CTRL REF Voltage on CHA/B [Auto]
- 3.5.18 Load-Line Calibration [Auto]
- 3.5.19 CPU Spread Spectrum [Auto]
- 3.5.20 PCIE Spread Spectrum [Auto]
- 3.6 Advanced menu
- 3.7 Power menu
- 3.8 Boot menu
- 3.9 Tools menu
- 3.10 Exit menu
- Chapter 4: Software support
- Chapter 5: Multiple GPU technology support

ASUS P7P55D-E Premium 5-3
Chapter 5
5.1.5 Enabling the ATI
®
CrossFireX™ technology
After installing your graphics cards and the device drivers, enable the CrossFireX™ feature
through the ATI Catalyst™ Control Center in Windows environment.
Launching the ATI Catalyst Control Center
To launch the ATI Catalyst Control Center
1. Right-click on the Windows
®
desktop and select
Catalyst(TM) Control Center. You can also right-
click the ATI icon in the Windows notication area
and select Cayalist Control Center.
2. The Catalyst Control Center Setup
Assistant appears when the system
detects the existance of multi-graphics
cards. Click Go to continue to the
Catalyst Control Center Advanced
View window.
Enabling CrossFireX settings
1. In the Catalyst Control Center window,
click Graphics Settings > CrossFireX >
Congure.
2. From the Graphics Adapter list, select
the graphics card to act as the display
GPU.
3. Select Enable CrossFireX.
4. Click Apply, and then click OK to exit
the window.
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