Nvidia 400 - Manual (Page 25)

Installation
Page 3-9
Settings:
Pins (5-6) & (9-10) Short (default): Only the onboard rear
panel audio jack can be used.
Pins (5-6) & (9-10) Open: Only front panel audio jack can
be used.
CFPA: Front Panel Audio Connector
When the jumpers are removed this connector can
be used for front panel audio. The front panel
phone jack should have “normal close” switch.
Without phone plug inserted, the rear panel audio is
enabled. With phone plug inserted, the rear panel
audio will be disabled.
    
In 2-Channel audio mode, Mic-In is shared for both front panel and rear panel.
In 6-Channel audio mode, the Mic-In is dedicated for front panel use, and rear
panel Mic-In function will switch to Center and Subwoofer support.
1
Rear Line-out-FR Front Line-out-R
Rear Line-out-FL Front Line-out-L
MIC_In
NC +5V
Key
9
2
10
GND
CD_IN1
AUX_IN1
CD_IN1/AUX_IN1: CD Audio_IN Connector
These connectors are used to receive audio form a
CD-ROM drive, TV tuner or MPEG card.
CD_IN_Left 1
CD_IN_Right
CD_Reference
CD_IN1 AUX_IN1
AUX_IN_Left 1
AUX_IN_Right
GND