Asus P8H61-I R2.0 - Manual (Page 47)

Chapter 2: BIOS information 2-15
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.
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.
Intel Adaptive Thermal Monitor [Enabled]
[Enabled] Enables the overheated CPU to throttle its clock speed to cool down.
[Disabled] Disables the CPU thermal monitor function.
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2] [3]