2-8 Chapter
2
2.3.5.
Front Panel Switches & Indicators Connection Headers
(FPIO1)
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.
•
RST (Pin 5, 7):
Connects to the Reset Switch cable.
•
SPKR (Pin 13, 15, 17, 19):
Connects to the System Speaker cable.
•
SLED (Pin 2, 4):
Connects to the Suspend LED cable.
•
PWR (Pin 6, 8):
Connects to the Power Switch cable.
•
C.O. (Pin 14, 16):
Connects to Case Open (Intrusion) device.
•
FLED (Pin 18, 20):
Connects to the Fault LED cable.
SV-1A
