MSI MS-6380 - Manual (Page 32)

Chapter 2
2-16
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
The Power LED is lit while the system power is on. Connect the Power LED
from the system case to this pin.
Speaker (JFP1 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.
Keylock (JFP1 only)
Keylock allows you to disable the keyboard for security purpose. You can
connect the keylock to this pin.