Hardware Setup
A-S78H
1-7
1.6.2 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 when connecting
these headers. A wrong orientation will only result in 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.
