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2-16 Chapter 2
(9). 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.
• 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.
• SPKR (Pin 13, 15, 17, 19):
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.
• PWR (Pin 6, 8):
Connects to the Power Switch cable of chassis front panel.
• PLED (Pin 16, 18, 20):
Connects to the Power LED cable of chassis front panel.
NI8 SLI Series