Front Panel

• Components controlled by Front Panel Pins

  • Computer power button
  • Reset button
  • Power LED
  • Hard drive LED
• Components of system panel cables

  • GND (ground) wire
  • Powered wire
• Black or white wire

  GND (ground) wire
• The cables, colors, and connections vary depending on the computer case and motherboard you have
• Colors of system panel cables

  • Black or white
  • Colored
• Colored wire

  Powered wire
• Front Panel Pins


  Reserved for power switch connectors, reset switches, power LED and hard drive LED
• System panel cables


  Two wire cables that are color-coded to help identify where they connect to the motherboard system panel connector
• HDD LED (IDE LED) - The LED activity light for the hard drive. This indicator is thelight that flashes as information is being written to and read from the hard drive.
• PLED (Power LED) - The LED power light, which indicates when the computer is on, off, or in Standby.
• PWRSW (Power SW) - Controls the power button that allows you to turn on and off the computer.
• Reset SW - Handles the reset button to restart the computer.