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L4IBMG2 / L4IBMGL2 V1.0b
ATX12V: ATX 12V Power Connector
Pin
Signal Name
1
+12V
2
+12V
3
Ground
4
Ground
CPUFAN1/PWRFAN1/CASFAN1: FAN Power Connectors
Pin
Signal Name
1
GND
2
+12V
3
Sense
SPEAKER1: Internal speaker
Pin
Signal Name
1
Signal
2
Key
3
Ground
4
VCC
Function
System Ground
Power +12V
Sensor
12
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