How do I enable and configure the chassis intrusion detection feature?

Connect the chassis intrusion switch cable to the JCI1 connector, then go to BIOS > SETTINGS > Security > Chassis Intrusion Configuration and set Chassis Intrusion to Enabled. Press F10 to save and exit. Once enabled, a warning message will display on screen whenever the chassis cover is opened and the computer is turned on. (Page 35)

From the official Msi B550-A Pro Motherboard manual, page 35

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