1 cpu configuration, Cpu configuration -14, Chapter 3 – Asus P8H77-M PRO User Manual
Page 80: Intel adaptive thermal monitor [enabled, Active processor cores [all, Limit cpuid maximum [disabled, Chapter 3: bios setup, Scroll down to display the following items

3-14
Chapter 3: BIOS setup
Chapter 3
3.5.1
CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
The items shown in this screen may be different due to the CPU you installed.
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Exit
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
Adjust Non-Turbo Ratio
→←
: Select Screen
↑↓
: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Shortcut
F5: Optimized Defaults
F10: Save ESC: Exit
F12: Print Screen
Back
Advanced\
CPU Configuration >
UEFI BIOS Utility - Advanced Mode
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]
Limit CPUID Maximum [Disabled]
[Enabled]
Allows legacy operating systems to boot even without support for CPUs
with extended CPUID functions.
[Disabled]
Disables this function.
CPU Configuration
Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz
EM64T
Supported
Processor Speed
3100 MHz
Processor Stepping
206a6
Microcode Revision
Not loaded
L1 Data Cache
32 kB x 4
L1 Code Cache
32 kB x 4
L2 Cache
256 kB x 4
L3 Cache
6144 kB
Processor Cores
4
Intel HT Technology
Not sSpported
CPU Ratio Range
16-31
CPU Current Ratio
31
Intel Adaptive Thermal Monitor
Enabled
Active Processor Cores
All
Limit CPUID Maximum
Disabled
Execute Disable Bit
Enabled
Intel Virtualization Technology
Enabled
Hardware Prefetcher
Enabled
Adjacent Cache Line Prefetch
Enabled
Scroll down to display the following items:
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
> CPU Power Management Configuration