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CHAPTER 2 HARDWARE INSTALLATION
2-3
• Fan Power Connectors: CPUFAN/PSFAN/SYSFAN
These connectors support system cooling fan with + 12V. It sup-
ports 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 Hard-
ware Monitor chipset on-board, you must use a specially designed
fan with speed sensor to take advantage of this function.
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: Always consult vendor for proper CPU cooling fan.
PSFAN
CPUFAN: Processor Fan
PSFAN: Power Supply Fan
SYSFAN: System Fan
CPUFAN
+12V
SENSOR
GND
+12V
GND
Sensor
SYSFAN
+12V
GND
Sensor