DFI G4V100-P User Manual page 56

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Hardware Installation
2.6.9 Chassis Open Connector
Chassis signal
The system board supports the chassis intrusion detection function.
Connect the chassis intrusion sensor cable from the chassis to J8.
Whenever a chassis component has been removed, the sensor
sends signal to J8 alerting you of a chassis intrusion event. To disable
this function, place a jumper cap over J8.
Hardware Monitor for Windows
Install the "Hardware Monitor for Windows" utility. By default, the
chassis intrusion detection function is disabled. When enabled, a
warning message will appear when the chassis is open. The utility can
also be configured so that a beeping alarm will sound when the
chassis is open. Refer to the "Hardware Monitor for Windows"
section in chapter 4 for more information.
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Ground
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