Biostar A740GM2 Setup Manual - Page 17
JSPDIF_O UT1: Digital Audio-out Connector, JAUDIOF1: Front Panel Audio Header
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A740G M2+ JSPDIF_O UT1: Digital Audio-out Conne ctor This connector allows user to connect the PCI bracket SPDIF output header. Pin Assignment 1 +5V 2 SPDIF_OUT 3 Ground 13 JAUDIO F1: Front Panel Audio Heade r This header allows user to connect the front audio output cable with the PC f ront panel. This header allows only HD audio front panel connector; AC'97 connector is not acceptable. 10 9 2 1 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 15
![](/manual_guide/products/biostar-a740gm2-setup-manual-063b69e/17.png)
A740G M2+
15
JSPDIF_O UT1: Digital Audio-out Connector
This connector allows user to connect the PCI bracket SPDIF output header.
Pin
Assignment
1
+5V
2
SPDIF_OUT
1
3
3
Ground
JAUDIOF1: 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
1
9
2
10
10
Jack Sense