Habey BIS-6650 - Manual (Page 23)

Inbuilt Power Interface PWR1:
Pin Signal Name
1 GND
2 GND
3 +12V
4 +12V
External Power Interface PWR2：
Pin Signal Name
1 +12V
2 GND
3 NC
2.5.9 FAN Connector（CPU_FAN）
Board provides 1x CPU_FAN interface. Please pay attention to following remarks:
(1) The electric current of the FAN ≤350mA（4.2W, 12V）
(2) Please check if the fan cable matches the socket wiring. The power cable is
generallythe red one in the middle. Then the grounding cable (black) and the FAN speed
pulse signal out cable (other color). Some FANs without speed detect function but the output
voltage upto 12V, which will damage the motherboard. Recommend to use FANs with speed
detect function.
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