CPU fan power connector (CN1)
The SBC-656 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.
1 2 3
CPU fan power connector (CN1)
Pin
Signal
1
GND
2
+12V
3
Fan speed sense
24 SBC-656 User Manual