Asus F2A55 - Manual (Page 63)

Chapter 2: BIOS information 2-17
Be cautious when changing the settings of the Advanced menu items. Incorrect field values
can cause the system to malfunction.
2.5 Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system
devices.
Main Ai Tweaker Advanced Monitor Boot Tool
Exit
CPU Configuration Parameters
EFI BIOS Utility - Advanced Mode
2.5.1 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
The items shown in submenu may be different due to the CPU you installed.
AMD PowerNow function [Enabled]
Enables or disables the AMD PowerNow function. Configuration options: [Enabled] [Disabled]
NX Mode [Enabled]
Enables or disables the No-execute page protection function. Configuration options:
[Enabled] [Disabled]
SVM [Enabled]
Enables or disables CPU virtualization. Configuration options: [Disabled] [Enabled]
CPB Mode [Auto]
Disables the CPB (Core Performance Boost) mode or set it to [Auto] for automatic
configuration. Configuration options: [Disabled] [Auto]
C6 Mode [Disabled]
Enables or disables C6 mode. Configuration options: [Enabled] [Disabled]
IOMMU [Disabled]
Set this item to [Enabled] to show IOMMU Mode. Configuration options: [Enabled] [Disabled]
> CPU Configuration
> SATA Configuration
> USB Configuration
> NB Configuration
> Onboard Devices Configuration
> APM
> Network Stack