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Installing the Motherboard
FPIO1 (Pin 5 & 7): Hardware Reset Switch Header
Attach the cable from the case's front panel Reset switch to this header. Press and hold the reset button
for at least one second to reset the system.
FPIO1 (Pin 15-17-19-21): Speaker Header
Attach the cable from the system speaker to this header.
FPIO1 (Pin 2 & 4): Suspend LED Header
Insert the two-threaded suspend LED cable into this header. If you install it in the wrong direction, the
LED light will not illuminate correctly.
Note: Watch the Suspend LED pin position and the orientation.
FPIO1 (Pin 6 & 8): Power On Switch Header
Attach the cable from the case's front panel power on switch to this header.
FPIO1 (Pin 16-18-20): Power On LED Headers
There is a specific orientation for pins 1 through 3. Insert the three-threaded power on LED cable to this
header. Check to make sure the correct pins go to the correct connectors on the motherboard. If you
install them in the wrong direction, the power LED light will not illuminate correctly.
Note: Watch the power LED pin position and orientation.
For the PN1 and PN2 pin's count-name list, please refer to table 2-2.
PIN Name
Significance of signal
PIN 1
HDD LED (+)
PIN 3
HDD LED (-)
PIN 5
Reset SW (-)
PIN 7
Reset SW (+)
PIN 9
No Connection
PIN 11
No Pin
FPIO1
PIN 13
No Pin
PIN 15
Speaker (+5V)
PIN 17
Speaker (GND)
PIN 19
Speaker (GND)
PIN 21
Speaker (Driver)
PIN 23
No Pin
Table 2-2. FPIO1 pin count name list
PIN Name
Significance of signal
PIN 2
SP-LED (+)
PIN 4
SP-LED (-)
PIN 6
PWR-ON (+)
PIN 8
PWR-ON (-)
PIN 10
No Pin
FPIO1
PIN 12
No Pin
PIN 14
No Pin
PIN 16
PWR LED (+)
PIN 18
No Pin
PIN 20
PWR LED (-)
PIN 22
No Connection
PIN 24
No Connection
2-13
User's Manual
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