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

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Contents
3.5.8. DRAM Timing Control .............................................................. 3-17
3.5.9 CPU Differential Amplitude ....................................................... 3-19
3.5.10 CPU Clock Skew ...................................................................... 3-19
3.5.11 CPU Voltage Mode ................................................................... 3-19
3.5.12 IMC Voltage ............................................................................. 3-20
3.5.13 DRAM Voltage ......................................................................... 3-20
3.5.14 CPU PLL Voltage ..................................................................... 3-20
3.5.15 PCH Voltage ............................................................................. 3-21
3.5.16 DRAM DATA REF Voltage on CHA/B ...................................... 3-21
3.5.17 DRAM CTRL REF Voltage on CHA/B ...................................... 3-21
3.5.18 Load-Line Calibration ............................................................... 3-21
3.5.19 CPU Spread Spectrum ............................................................. 3-21
3.5.20 PCIE Spread Spectrum ............................................................ 3-21
3.6 Advanced menu ....................................................................................... 3-22
3.6.1 CPU Conguration .................................................................... 3-22
3.6.2 Uncore Conguration ................................................................ 3-24
3.6.3 Onboard Devices Conguration ................................................ 3-25
3.6.4 USB Conguration .................................................................... 3-26
3.6.5 PCIPnP ..................................................................................... 3-27
3.6.6 Intel VT-d .................................................................................. 3-27
3.6.7 T.Probe ..................................................................................... 3-27
3.7 Power menu .............................................................................................. 3-28
3.7.1 Suspend Mode ......................................................................... 3-28
3.7.2 Repost Video on S3 Resume .................................................... 3-28
3.7.3 ACPI 2.0 Support ..................................................................... 3-28
3.7.4 ACPI APIC Support .................................................................. 3-28
3.7.5 EuP Ready ............................................................................... 3-28
3.7.6 APM Conguration .................................................................... 3-29
3.7.7 Hardware Monitor...................................................................... 3-30
3.8 Boot menu ................................................................................................ 3-32
3.8.1 Boot Device Priority................................................................... 3-32
3.8.2 Boot Settings Conguration ...................................................... 3-33
3.8.3 Security ..................................................................................... 3-34
3.9 Tools menu ............................................................................................... 3-36
3.9.1 ASUS O.C. Prole ..................................................................... 3-36
3.9.2 AI NET 2 .................................................................................... 3-37
3.9.3 ASUS EZ Flash 2 ...................................................................... 3-37
3.9.4 Express Gate ........................................................................... 3-38
3.9.5 ID LED ......................................................................................3-38