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MS-7025 ATX Mainboard
Front Panel Audio Connector: JAUD1
The JAUD1 front panel audio connector allows you to connect to the front
panel audio and is compliant with Intel
PIN
1
2
JAUD1
3
10
2
4
1
9
5
6
7
8
9
10
MSI Reminds You...
If you don't want to connect to the front audio header,
pins 5 & 6, 9 & 10 have to be jumpered in order to have
signal output directed to the rear audio ports. Otherwise,
the Line-Out connector on the back panel will not
function.
IEEE 1394 Connectors: J1394_1 / J1394_2 (Optional)
The mainboard provides two 1394 pin headers that allow you to connect IEEE
1394 ports via an external IEEE1394 bracket (optional).
2
1
J1394_1, J1394_2
Foolproof Design
(the 1394 pinheader in GREEN color)
2-20
®
Front Panel I/O Connectivity Design Guide.
Pin Definition
SIGNAL
DESCRIPTION
AUD_MIC
Front panel microphone input signal
AUD_GND
Ground used by analog audio circuits
AUD_MIC_BIAS
Microphone power
AUD_VCC
Filtered +5V used by analog audio circuits
AUD_FPOUT_R
Right channel audio signal to front panel
AUD_RET_R
Right channel audio signal return from front panel
HP_ON
Reserved for future use to control headphone amplifier
KEY
No pin
AUD_FPOUT_L
Left channel audio signal to front panel
AUD_RET_L
Left channel audio signal return from front panel
PIN
SIGNAL
10
1
TPA+
9
3
Ground
5
TPB+
7
Cable power
9
Key (no pin)
6
5
Pin Definition
PIN
SIGNAL
2
TPA-
4
Ground
6
TPB-
8
Cable power
10
Ground
IEEE1394 Bracket
(Optional)
10
9
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