•ATX power button/soft-off button (Yellow 2-pin PWRSW) This connector is for the system power button. Pressing the power button turns the system on or puts the system in sleep or soft-off mode depending on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF.
•Reset button (Blue 2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.