Hardware Setup 2-11
2.5.5. Front Panel Switches & Indicators Connection Headers
These headers are used for connecting switches and LED indicators on the chassis
front panel. The mark “+” align to the pin in the figure below stands for positive
polarity 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.
• PWR-ON (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.
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