Motherboard Manual
16
F_AUDIO1: Front Panel Audio Header
This header allows user to connect the front audio output cable with the PC front
panel. This header allows only HD audio front panel connector; AC’97 connector
is not acceptable.
Pin Assignment
1
Mic Left in
2 Ground
3
Mic Right in
4 GPIO
5
Right line in
6 Jack
Sense
7 Front
Sense
8 Key
9
Left line in
10 Jack
Sense
1
9
2
10
J_COM1: Serial port Connector
The motherboard has a Serial Port Connector for connecting RS-232 Port.
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
1
2
9
10
