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INSTALLATIONS
J5: System Function Connector
ATX power on switch: Pins 1-2
Power LED: Pins 3-4
HDD LED: Pins 5-6
Reset switch: Pins 7-8
J6: Front Audio Connector
Signal Name
Rear Audio R
Front Audio R
MIC1/MICPWR
REMARKS: To use the front audio connector, the jumpers from pin
1-3 and pin 2-4 must be removed.
J7: CD-In Pin Header
Pin #
CN8: Speaker Connector
The CN8 connector supports 2W/8ohm stereo audio power amplifier.
Pin #
18
Signal Name
Ground
Power LED
5V
Ground
Pin
Ground
Signal Name
1
CD Audio L
2
Ground
3
Ground
4
CD Audio R
Signal Name
1
Audio R
2
Ground
3
Ground
4
Audio L
MB740 User's Manual
Pin
Pin
1
2
3
4
5
6
7
8
Pin
Signal Name
1
2
Rear Audio L
3
4
Front Audio L
5
6
Ground
7
8
MIC2
Signal Name
PS_ON
Ground
HDD Active
Reset
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