2.7 Onboard Status Display2.7.1 Power Source IndicatorsThese indicators work as a reminding device to display the power status of this motherboardwith power source connected.•5VSB:This LED lights up when the power supply is connected with power source.•VCC:This LED lights up when the system power is on.2-22KN9 SLI, KN9 Ultra, KN9S