Knowing Your Motherboard 2-72.2.6. Front Panel Switches & Indicators Connection HeadersThese headers are used for connecting switches and LED indicators on the chassisfront panel. The mark “+” align to the pin in the figure below stands for positivepolarity for the LED connection.• HLED (Pin 1, 3):Connects to the HDD LED cable of chassis front panel.• RST (Pin 5, 7):Connects to the Reset Switch cable of chassis front panel.• SPK (Pin 15, 17, 19, 21):Connects to the System Speaker cable of chassis.• SLED (Pin 2, 4):Connects to the Suspend LED cable (if there is one) of chassis front panel.User’s Manual
