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

3-28 Chapter 3: BIOS setup
Chapter 3
3.7 Power menu
The Power menu items allow you to change the settings for the Advanced Power
Management (APM). Select an item then press <Enter> to display the conguration options.
3.7.1 Suspend Mode [Auto]
Allows you to select the Advanced Conguration and Power Interface (ACPI) state to be used
for system suspend.
[S1 (POS) only] Sets the APCI suspend mode to S1/POS (Power On Suspend).
[S3 only] Sets the APCI suspend mode to S3/STR (Suspend To RAM).
[Auto] The system automatically congures the ACPI suspend mode.
3.7.2 Repost Video on S3 Resume [No]
Determines whether to invoke VGA BIOS POST on S3/STR resume.
[No] The system will not invoke VGA BIOS POST on S3/STR resume.
[Yes] The system invokes VGA BIOS POST on S3/STR resume.
3.7.3 ACPI 2.0 Support [Disabled]
[Disabled] When set to [Disabled], the system will not add additional tables as per
ACPI 2.0 specications.
[Enabled] When set to [Enabled], the system adds additional tables as per ACPI 2.0
specications.
3.7.4 ACPI APIC Support [Enabled]
[Disabled] When set to [Disabled], the system disable the Advanced Conguration and
Power Interface (ACPI) support in the Advanced Programmable Interrupt
Controller (APIC).
[Enabled] When set to [Enabled], the ACPI APIC table pointer is included in the RSDT
pointer list.
3.7.5 EuP Ready [Disabled]
[Disabled] Disables the Energy Using Products (EuP) Ready function.
[Enabled] Allows BIOS to switch off some power at S5 state to get system ready for
the EuP requirement. When set to [Enabled], power for WOL, WO_USB,
audio and onboard LEDs will be switched off at S5 state.
v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Select the ACPI state
used for System
Suspend.
←→ Select Screen
↑↓ Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
Suspend Mode [Auto]
Repost Video on S3 Resume [No]
ACPI 2.0 Support [Disabled]
ACPI APIC Support [Enabled]
EuP Ready [Disabled]
APM Conguration
Hardware Monitor