Asus P8P67 (REV 3.1) - Manual (Page 82)

3-16 Chapter 3: BIOS setup
Chapter 3
CPU C6 Report [Enabled]
Enables or disables the CPU C6 (ACPI C3) report to OS.
Configuration options: [Disabled] [Enabled]
3.5.2 System Agent Configuration
Main Ai Tweaker Advanced Monitor Boot Tool
Exit
VT-d Enable/Disable
Back Advanced\ System Agent Configuration >
EFI BIOS Utility - Advanced Mode
NB Chipset Configuration
VT-d Disabled
Initate Graphic Adapter PEG/PCI
Initiate Graphic Adapter [PEG/PCI]
Allows you to decide which graphics controller to use as the primary boot device.
Configuration options: [PCI/PEG] [PEG/PCI]
3.5.3 PCH Configuration
The South Bridge menu allows you to change the southbridge chipset settings.
Main Ai Tweaker Advanced Monitor Boot Tool
Exit
Enabled/Disabled the High Precision
Event Timer.
Back Advanced\ PCH Configuration >
EFI BIOS Utility - Advanced Mode
PCH Configuration
High Precision Timer Enabled
High Precision Timer [Enabled]
Allows you to enable or disable the High Precision Event Timer.
Configuration options: [Enabled] [Disabled]