MSI MS-5156 Manual page 15

2.1-4 CPU Fan Power Connector: JFAN1/JFAN2/JSFAN/
JPFAN
JFAN1 connector supports CPU cooling fan with +12V. It supports both two
and three pin head connector. When connecting the wire to the connector,
always take note that the red wire is the positive and should be connected to
the +12V. While JFAN2, JSFAN, and JPFAN system cooling fan with
+12V. It supports three pin head connector. When connecting the wire to
the connector, always take note that the red wire is the positive and should
be connected to the +12V, the black wire is Ground and should be
connected to GND, the yellow is the speed sensor. If your mainboard has
LM78 on board, you need to use a specially designed fan with speed sensor
to take advantage of LM78's CPU fan control function.
+12V
S P E E D
JPFAN
+12V
S P E E D
JFAN2
GND +12V GND
JFAN1
Note: 1. JFAN2/JSFAN/JPFAN is used for CPU Cooling Fan Speed
Connectors.
(Reserved for LM78 System Hardware Monitor Option.)
2. Always consult vendor for proper CPU cooling fan.
GND
GND
JSFAN
GND
S P E E D
+12V
JFAN2: CPU FAN
JPFAN: POWER FAN
JSFAN: CHASSIS FAN
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