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Chapter 2
CPU Fan and System Fan: CPUFAN and SYSFAN
The CPUFAN (CPU fan) and SYSFAN (system fan) run on +12V and maintain
system cooling. When connecting the wire to the connectors, always be
aware that the red wire is the Positive and should be connected to the +12V.
The black wire is Ground and should always be connected to GND.
FAN_MCM is a switch that is used by high-quality fans to monitor the system
temperature and will automatically adjust according to the environment.
CPUFAN
Pin
Signal
1
FAN_MCM
2
+12V
3
GND
SYSFAN
Pin
Signal
1
FAN Speed detect
2
FAN_Control
3
GND
CPUFAN
1
SYSFAN
1
8
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