Asus KGMH-D16 QDR, User Manual, Page: 54 / 152

2-36 Chapter 2: Hardware information
14. System panel connector (20-pin PANEL1)
This connector supports several chassis-mounted functions.
• System power LED (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.
• Message LED (2-pin MLED)
This 2-pin connector is for the message LED cable that connects to the
front message LED. The message LED is controlled by Hardware monitor to
indicate an abnormal event occurance.
• Hard disk drive activity LED (2-pin HDDLED)
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.
• Proprietary power button/soft-off button (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 (2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system
reboot without turning off the system power.