Connecting Optional Devices - ECS 915PL-A2 User 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
AUD_MIC
2
AUD_GND
3
AUD_MIC_BIAS Microphone Power
4
AUD_VCC
5
AUD_F_R
6
REVD
7
REVD
8
Key
9
AUD_F_L
10
REVD
CDIN1: CD Audio Input header
Pin Signal Name
1
CD in_L
2
GND
3
GND
4
CD in_R
Installing the Motherboard
Function
Front Panel Microphone input signal
Ground used by Analog Audio Circuits
Filtered +5V used by Analog Audio Circuits
Right Channel audio signal to Front Panel
Reserved
Reserved
No Pin
Left Channel Audio signal to Front Panel
Reserved
Function
CD In left channel
Ground
Ground
CD In right channel
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