AMD MD740 - CN8: Speaker Connector; J5: System Function Connector; J6: Front Audio Connector; J7: CD-In Pin Header

INSTALLATIONS
J5: System Function Connector
Signal Name Pin Pin Signal Name
Ground 1 2 PS_ON
Power LED 3 4 Ground
5V 5 6 HDD Active
Ground 7 8 Reset
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 Pin Pin Signal Name
Rear Audio R 1 2 Rear Audio L
Front Audio R 3 4 Front Audio L
Ground 5 6 Ground
MIC1/MICPWR 7 8 MIC2
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 # Signal Name
1 CD Audio L
2 Ground
3 Ground
4 CD Audio R
CN8: Speaker Connector
The CN8 connector supports 2W/8ohm stereo audio power amplifier.
Pin # Signal Name
1 Audio R
2 Ground
3 Ground
4 Audio L
18 MB740 User’s Manual