•System power LED (Green 3-pin PLED)
This 3-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.
•Hard disk drive activity LED (Red 2-pin IDELED)
This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The IDE LED lights up or flashes when data is read from or written to the HDD.
•System management interrupt (Light Blue 2-pin SMI) This 2-pin connector allows you to manually place the system in suspend mode, or “green” mode, where system activity is instantly decreased to save power and to expand the life of certain system components. Attach the chassis-mounted suspend switch to this 2-pin connector.
•ATX power button/soft-off button (Yellow 2-pin PWRBTN) 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.
•System warning speaker (Orange 4-pin SPEAKER) This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings.
•Reset button (Dark Blue 2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.
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