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 1-5
Chapter 1
ASUS Crystal Sound
This feature can enhance speech-centric applications like Skype, online game, video
conference and recording.
ASUS Noise Filter
Eliminate background noise while recording
This feature detects repetitive and stationary noises like computer fans, air
conditioners, and other background noises then eliminates it in the incoming audio
stream while recording.
DTS
DTS Surround Sensation UltraPC
DTS Surround Sensation UltraPC delivers exceptional 5.1 surround experience
through the most common PC audio setups—your existing stereo speakers or
headphones. In addition to virtual surround, “Bass enhancement” provides stronger low
frequency bass sound, and “Voice clarication” provides clear human dialogue even
with loud background sound. With these technologies, you may experience a better
home-theater audio with ease.
ASUS EZ DIY
ASUS EZ DIY feature collection provides you easy ways to install computer components,
update the BIOS or back up your favorite settings.
ASUS Onboard Switch
With an easy press during overclocking, the exclusive onboard switches allow gamers
to effortless ne-tune the performance without having to short the pins! Refer to page
2-24 for details.
ASUS Q-Design
DIY quickly, DIY easily!
ASUS Q-Design enhances your DIY experience. All of Q-LED, Q-Slot and Q-DIMM
design speed up and simplify the DIY process!
ASUS Q-Shield
Easy and Comfortable Installations
The specially designed ASUS Q-Shield does without the usual “ngers”—making
it convenient and easy to install. With better electric conductivity, it ideally protects
your motherboard against static electricity and shields it against Electronic Magnetic
Interference (EMI).
ASUS Q-Connector
Make connection quick and accurate!
The ASUS Q-Connector allows you to connect or disconnect chassis front panel cables
in one easy step with one complete module. This unique module eliminates the trouble
of plugging in one cable at a time, making connection quick and accurate. Refer to
page 2-41 for details.