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16.
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.
17.
System Management Bus (SMBUS) connector (5-1 pin SMBUS1)
This connector controls the system and power management-related tasks. This
connector processes the messages to and from devices rather than tripping the
individual control lines.
3-22
Chapter 3: Motherboard Information
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