Asus Motherboard P7P55-M - Manual (Page 56)

2-16 Chapter 2: BIOS information
The following item appears only when you installed an Intel ® CPU that supports the
Enhanced Intel ® SpeedStep ® Technology (EIST).
Intel(R) SpeedStep(TM) Tech [Enabled]
When set to [Disabled], the CPU runs at its default speed. When set to [Enabled], the CPU
speed is controlled by the operating system. Configuration options: [Disabled] [Enabled]
Intel(R) TurboMode Tech [Enabled]
This item appears only if you set the CPU Ratio Setting item to [Auto]. Turbo mode allows
processor cores to run faster than marked frequency in specific condition. Configuration
options: [Disabled] [Enabled]
Intel(R) C-STATE Tech [Disabled]
Allows you enable or disable the Intel ® C-STATE Technology. When enabled, the CPU idle is
set to C2/C3/C4/C6. Configuration options: [Disabled] [Enabled]
Intel ® 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]
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2]
A20M [Disabled]
Setting this item to [Enabled] allows Legacy OSes to be compatible with APs. Configuration
options: [Disabled] [Enabled]