Asus P5P43TD/USB3 - Manual (Page 52)

2-14 Chapter 2: BIOS information
C1E Support [Enabled]
Allows you to enable or disable C1E Support. Configuration options: [Disabled] [Enabled]
Max CPUID Value Limit [Disabled]
Setting this item to [Enabled] allows legacy operating systems to boot even without support
for CPUs with extended CPUID functions. Configuration options: [Disabled] [Enabled]
Intel(R) Virtualization Tech [Enabled]
Enables or disables Intel ® Virtualization Technology. Virtualization enhanced by Intel ®
Virtualization Technology allows a platform to run multiple operating systems and applications
in independent partitions. With virtualization, one computer system can function as multiple
virtual systems. Configuration options: [Enabled] [Disabled]
CPU TM function [Enabled]
Enables or disables Intel ® CPU Thermal Monitor (TM) function, a CPU overheating protection
function. When enabled, the CPU core frequency and voltage are reduced when the CPU
overheats. Configuration options: [Disabled] [Enabled]
Execute-Disable Bit Capability [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology. Setting this
item to [Disabled] forces the XD feature flag to always return to zero (0). Configuration
options: [Disabled] [Enabled]
2.5 Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system
devices.
Take caution when changing the settings of the Advanced menu items. Incorrect field
values can cause the system to malfunction.
CPU Configuration
Chipset
Onboard Devices Configuration
USB Configuration
PCIPnP
Configure CPU.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
2.5.1 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
CPU Ratio Setting [Auto]
Sets the ration between CPU core clock and the FSB frequency. Key in ratio numbers
directly.
If an invalid ratio is set in CMOS, then the actual and set values may differ.