What is chassis intruder

Chasis intruder is a warning that your CPU has been opened by someone
it is normally used to warn you against unautorized BIOS or SYSTEM PASSWORD removal
There is a switch in your casing that detects this.

Leave this setting to enabled (recomemded)

Thanx and i hope this info is helpfull
Please dont forget to rate this solution

Chassis intruder is a sercurity measure to alert in case if some one is openning the Desktop PC cabinet / case. a switch will be attached to cabinet / case in such a way, if you open this switch will be triggered and will raise an allert or record this allert in the BIOS setting long. This switch will be connected to the intruder allert connector in the motherboard

Switch is connected to motherboard
switch is placed strategically in the chassis so it will release if you remove shields offf your cabinet.