I had an idea a long time ago to make a box for my desk to control the on/off funcion of my desktop. I used 3 of the 4 pairs of a cat5 cable to jump off the pins of my motherboard. Power on and off/Power led/HDD light. Here it is version 1 of the homemade power box. Next version i might use headphone out and mic in. Any comments or ideas are welcome.
This is the pin out from my motherboard