3.5-SBC-APL – Rev. 0.1
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Pin Assignment System Fan Connector (SYS_FAN1)
Pin
Signal
1
SYS_FAN_CTRL
2
SYS_FAN_TACH
3
+12V
4
GND
7.10.
Power Connec
tor (J1)
The ATX 4-pin internal power supply connector is a standard motherboard power connector pro12 V DC to the
processor voltage regulator.
Hot plugging of the power connectors is not allowed. Hot plugging might damage the board.
When connecting to the motherboard, turn off main supply to make sure that all the power
lines are turned off.
Figure 20: Internal Power Connector (J1)
Pin Assignment Internal 12 V ATX Power Connector
Pin
Signal
1
GND
2
GND
3
DC12V
4
DC12V
7.11.
Mini PCIe Card socket 1 (MPCIE1/2)
Figure 21: 52-pin Mini PCIe Card
