> For the complete documentation index, see [llms.txt](https://knowledgebase.orezaar.com/knowledgebase/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://knowledgebase.orezaar.com/knowledgebase/beginner-guides/msi.md).

# MSI

## Chassis Intrusion Connector (JCI1)

This connector allows you to connect the chassis intrusion switch cable.

### Using chassis intrusion detector

1. Connect the **JCI1** connector to the chassis intrusion switch/sensor on the chassis
2. Close the chassis cover
3. Go to **BIOS > SETTINGS > Security > Chassis Intrusion Configuration**
4. Set **Chassis Intrusion** 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.

### Resetting the chassis intrusion warning

1. Go to **BIOS > SETTINGS > Security > Chassis Intrusion Configuration**.
2. Set **Chassis Intrusion** to **Reset**.
3. Press **F10** to save and exit and then press the **Enter** key to select Yes.