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CHAPTER 2
2.1-4 Fan Power Connectors: J9, J12, & J6
These connectors support 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. If your
mainboard has System Hardware Monitor chipset on-board, you must use a
specially designed fan with speed sensor to take advantage of this function.
GND
+12V
SENSOR
J9
For fans with fan speed sensor, every rotation of the fan will send out 2
pulses. System Hardware Monitor will count and report the fan rotation
speed.
Note: 1. Always consult vendor for proper CPU cooling fan.
2. CPU FAN supports the FAN control. You can install PC Alert
utility. This will automatically control the CPU FAN Speed according
to the actual CPU temperature.
J9: Processor Fan
J12: Power Supply Fan
J6: System Fan
2-3
HARDWARE INSTALLATION
J12
GND
+12V
GND
+12V
Sensor
SENSOR
J6
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