front of main system
The front side of the main CPU case , whether it is desktop model or tower model case, contains power button and reset button, and indicators PWR LED and HDD LED . when connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are correctly matched.
PW (Power Switch)
connects to the power switch on the chassis front panel.
Speaker
CONNECTS TO THE SPEAKER ON THE CHASSIS FRONT PANEL.THE SYSTEM REPORTS SYSTEM STARTUP STATUS BY ISSUING A BEEP code one single short beep will be heard if no problem is detect system startup. if a problem is detected, the BIOS may issue beeps in different patterns to indicate the problem.
POWER LED
PWR-LED is connect with the system power indicator to indicate whether the system is on/off. it mostly used red led. it will blink when the computer enters suspend mode. power switch open its normal operation. when your ON or SHUTDOWN that time once close and open.
HDD LED
CONNECTS TO THE HARD DRIVE ACTIVITY led on the chassis front panel. the LED is on when the hard drive is reading or writing.
RESET SWITCH
connects to the reset switch on the chassis front panel. press the reset switch to restart the computer if computer freezes and fails to perform a normal restart.
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