Mainboard D3128
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Board Installation
Fan Connector (internal)
Pin 1
Pin 4
Pin1: GND
Pin2: +12V Power
Pin3: FAN Sense
Pin4: Fan PWM
This 4-pin fan connector supports tachometer monitoring.
There are four 4-pin fan connectors on D2618. Use these connectors to connect chassis and
processor cooling fans to your motherboard. Cooling fans can keep the system stable and reliable for
its product’s life.
Intrusion connector (internal)
PIN Signal
1 GND
2 open
Pin 1
3
Intrusion switch present
PC2009 PSU Connector (PC2009)
PIN Signal
1 Not
connected
2
PS Fan PWM
3 Not
connected
4
PS Fan Sense
5 Not
connected
6 Not
connected
7 Not
connected
Pin 1
8 Not
connected
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