1.11 Onboard switch
Onboard switches allow you to ne-tune performance when working on a bare or open-case
system. This is ideal for overclockers and gamers who continually change settings to
enhance system performance.
1. Core Unlocker switch
This switch allows you to unlock the extra cores of your CPU.
To ensure system performance, turn the switch setting to Enable when the system is
powered off.
• The O2LED1 LED near the Core Unlocker switch lights when the switch setting is turned
to Enable. Refer to section 1.12 Onboard LEDs for the exact location of the O2LED1
LED.
• You may also press <4> during the Power-On-Self-Test (POST) or enable the ASUS
Core Unlocker item in the BIOS menu to activate the Core Unlocker function.
• The system will use the last setting you have made.
• If you clear the CMOS or load the BIOS setup defaults, the ASUS Core Unlocker item
in the BIOS menu follows the current setting of the Core Unlocker switch.
M4A87T
M4A87T Core Unlocker Switch
ASUS M4A87T 1-27