User`s manual

2-10 Chapter 2
(7). PN1: Front Panel Switches & Indicators Headers
This header is used for connecting switches and LED indicators on the chassis front panel.
Watch the power LED pin position and orientation. The mark “+” align to the pin in the figure below
stands for positive polarity for the LED connection. Please pay attention to connect these headers. A
wrong orientation will only cause the LED not lighting, but a wrong connection of the switches could
cause system malfunction.
• Pin-1/3: HDD-LED
Connects to the HDD LED cable of chassis front panel.
• Pin-5/7: RESET
Connects to the Reset Switch cable of chassis front panel.
• Pin-15/17/19/21: SPEAKER
Connects to the System Speaker cable of chassis.
• Pin-2/4: SP-LED
Connects to the Suspend LED cable (if there is one) of chassis front panel.
KD7 Series