MSI ATX Motherboard G52-MA00362 - Manual (Page 31)

Hardware Setup
2-19
Power Switch
Connect to a 2-pin push button switch.
Reset Switch
Reset switch is used to reboot the system rather than turning the
power ON/OFF. Avoid rebooting while the HDD is working. You can
connect the Reset switch from the system case to this pin.
Power LED (F_P1)
The Power LED is lit while the system power is on.
2-pin single color power LED: Connected to pin 5 & 6. The power
LED is not able to change its color. You can only choose Blinking
in the BIOS utility for the power LED to indicate the suspend/
sleep mode.
LED Status Description
Steady Green The system is in the full-on mode.
Blinking The system enters the suspend/sleep mode.
Speaker (F_P1 only)
Speaker from the system case is connected to this pin.
HDD LED
HDD LED shows the activity of a hard disk drive connected to the
IDE1 or IDE2 connector. Avoid turning the power off while the HDD is
working. You can connect the HDD LED from the system case to this
pin.