SOLTEK 75FRN2 Series - Other Connectors Configuration; 2-9.1 Onboard FAN Connectors

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Chapter 2 Hardware Setup
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2-9 Other Connectors Configuration
This section lists out all connectors configurations for users’ reference.
2-9.1 Onboard FAN Connectors
FAN1, Sensor Fan Connector
(Yellow)
FAN2, Sensor Fan Connector
(Yellow)
FAN3, Sensor Fan Connector
(Yellow)
Sensor Conn.
No Sensor
Void
+12V
GND
Sensor
+12V
GND
Both Sensor and No-sensor Fan Connectors support CPU/AGP/Sys-
tem/Case cooling fan with +12V mode. A Hardware Monitor chipset is
on board, with which users can install a Hardware Monitor Utility and
read the fan speed transmitted from the sensor fan. Otherwise, users
can read the fan speed from the “Hardware Monitor Status” via BIOS.
A running Fan will send out 2 electric pulses per rotation of its fan
blade. A Sensor Fan Connector will count the electric pulses and send
the information to the System Hardware Monitor which in turn will work
out the fan rotation speed and display it on screen.