Cpu Fan Power Connector (Cn4) - Aaeon SBC-557 Manual

CPU fan power connector (CN4)

The SBC-557 onboard offer +12V power for the CPU cooling fan.
Plug in the fan cable onto the 3 pins fan power connector onboard.
The fan connector is marked CN1.
CPU fan power connector (CN4)
Pin
1
2
3
34 SBC-557 User Manual
3
2
1
Signal
GND
+12V
Fan speed sense