Asus M5A88-V EVO - Manual (Page 54)

2-36 Chapter 2: Hardware information
Chapter 2
3. Core Unlocker LED
The Core Unlocker LED lights when the Core Unclocker switch is turned to Enable.
The Core Unlocker LED keeps on lighting even though the ASUS Core Unlocker item in
the BIOS menu is set to [Disabled].
4. TPU LED
The TPU LED lights when the TPU switch is turned to Enable.
M5A88-V EVO
M5A88-V EVO TPU LED
O2LED2
M5A88-V EVO
M5A88-V EVO Core unlocker LED
O2LED1