Connecting Optional Devices - ECS 945PL-A Manual

Connecting Optional Devices

Refer to the following for information on connecting the motherboard's optional devices:
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
Pin Signal Name
1
MIC
2
GND
3
MIC_BIAS
4
5V
5
Front_Out_R
6
Rear_OUT_ R
7
NC
8
Key
9
Front_Out_L
10
Rear_OUT_ L
CD_IN1: CD Audio Input header
Pin Signal Name
1
CD in_R
2
GND
3
GND
4
CD in_L
Installing the Motherboard
Pin Signal Name
Function
Front Panel Microphone input signal
Ground used by Analog Audio Circuits
Microphone Power
Filtered+5V used by Analog Audio Circuits
Right Channel Audio signal to Front Panel
Right Channel Audio signal to Rear Panel
Not Connected
No Pin
Left Channel Audio signal to Front Panel
Left Channel Audio signal to Rear Panel
Function
CD In right channel
Ground
Ground
CD In left channel
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