22
IPMTB-GS Motherboard Reference Guide
System panel connector
These connectors support several chassis-mounted functions.
System power LED (2-pin PLED)
This 2-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.
Hard disk drive activity LED (2-pin +HDLED)
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.
ATX power button/soft-off button (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.
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.
7 Connectors
F_PANEL
Ground
HDLED(+) HDLED(-)
+HDLED RESET
PW
R
Ground
Reset
NC
PWRBTN
PLED
PLED(-)
PLED(+)