It is my belief sir that you are referring to the ECS G31T-M7 (Version 1.0) motherboard. If I am incorrect please post back in a Comment.
Scroll down, and click on the Download tab.
(Features / Specification / Download / Support / FAQ / etc)
Now click on Manual.
(Driver / BIOS / Manual)
Scroll down, and click on the NAME of the country nearest yours.
There is the Motherboard User Manual in PDF file form.
The front of your computer is the Front Panel.
The area of contact pins on the motherboard, that the main wires from the Front Panel go to; is the Front Panel header.
Motherboard installed in computer case, with Processor to the Top, and Ram Memory slots to the Right; the Front Panel header is located at the Bottom/Right corner, to the left of the motherboard mounting hole.
The Front Panel header pinout is on Page 29, of the PDF file.
There are 4 pins across the Top row, and 5 pins across the Bottom row.
The pins on Top are numbered EVEN.
The pins on Bottom are numbered ODD.
Starting on the LEFT side coming across to the Right side, Top row:
Pins 2, 4, 6, and 8. There is NO Pin 10.
Starting on the LEFT side coming across to the Right side, Bottom row;
Pins 1, 3, 5, 7, and 9.
A) Pins 1 and 3 are for the HarDDrive activity LED. (Light)
Pin 1 is for the Positive ( + ) wire.
If the HDD LED is dim when the harddrive is active, switch the wires around.
B) Pins 5 and 7 are for a Reset switch, IF a Reset switch is used.
C) Pin 9 is N/C. Not Connected.
This is probably a 5 Volt + point, reserved for factory testing.
D) Pins 2 and 4 are for the Power On LED.
(Light. It is a Light Emitting Diode)
Pin 2 is for the Positive ( + ) wire.
If the PWR LED is dim when the computer is on, switch the wires around.
E) Pins 6 and 8 are for the Power On switch.
Jumper settings are shown, Front Panel port header's pinouts are shown, etc.
Do you have a specific question? Please post back in a Comment.