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This connector allows you to connect the chassis intrusion switch cable. 
Normal 
(default)
Trigger the chassis 
intrusion event
1.  Connect the  connector to the chassis intrusion switch/ sensor on the chassis.
2.  Close the chassis cover.
3.  Go to .
4.  Set  to Enabled.
5.  Press F10 to save and exit and then press the Enter key to select Yes.
6.  Once the chassis cover is opened again, a warning message will be displayed on 
screen when the computer is turned on.
1.  Go to .
2.  Set  to Reset.
3.  Press F10 to save and exit and then press the Enter key to select Yes.