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4.
Fan Wafer connector (10-pin FAN_WAFER1)
This connector connects to the backplane and or FPB depending on the model, and
allows you to control the fan speed and control signals.
5.
Chassis Intrusion (2-pin INTRUSION1)
These leads are for the intrusion detection feature for chassis with intrusion sensor or
microswitch. When you remove any chassis component, the sensor triggers and sends
a high level signal to these leads to record a chassis intrusion event. The default setting
is to short the CHASSIS# and the GND pin by a jumper cap to disable the function.
4-12
Chapter 4: Motherboard Information
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