3.
EPU LED
The EPU LED lights up when the EPU switch is changed to Enable.
P8H77-M PRO
P8H77-M PRO EPU LED
4.
GPU Boost LED
The GPU Boost LED lights up when the GPU Boost switch is changed to Enable.
P8H77-M PRO
P8H77-M PRO GPU Boost LED
2-20
EPU_LED
GPU_LED
Chapter 2: Hardware information