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Motherboard Manual
J_COM: Serial Port Header
The motherboard has a serial port header for connecting RS-232 Port.
JPANEL1: Front Panel Header
This connector includes Power-on, Reset, HDD LED and Power LED connections.
It allows user to connect the PC case's front panel switch functions.
Pin Assignment
1
N/A
3
HDD LED(+)
5
HDD LED(-)
7
Ground
9
Reset Control
JSPKR1: Chassis Speaker Header
Please connect the chassis speaker to this header.
16
Function
Pin
Assignment
N/A
2
Power LED (+)
4
Power LED (+)
HDD LED
6
Power LED (-)
8
Power Button
Reset Button
10
Ground
Pin
Assignment
1
Carrier detect
2
Received data
3
Transmitted data
4
Data terminal ready
5
Signal ground
6
Data set ready
7
Request to send
8
Clear to send
9
Ring indicator
10
Key
Function
Power LED
Power-On Button
Pin
Assignment
1
+5V
2
N/A
3
N/A
4
Speaker
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