Computer Wiring: How to Connect Your Computer Wires Computer wiring is critical when you build your own computer. Power, PWR, etc. Look on your motherboard for the front panel connection area. See label "M" on the motherboard diagram. Your motherboard manual will have a page that shows a detailed diagram of Build A Gaming Computer. What is a CPU? Best Motherboard. Computer Guides Computer Connection Diagram - how-to-wire-it For a computer connection diagram, click on the picture below in order to get a closer look at the ports in which your computer components will attach. DIAGRAM FOR CONNECTING COMPUTER COMPONENTS This is the monitor cable connector.