Product Specification
Page 30
... to the chassis intrusion header. The security feature uses a mechanical switch on the chassis that detects if the chassis cover is in the closed position. Intel Desktop Board DX79SI Technical Product Specification 1.12.2 Fan Monitoring Fan monitoring can be implemented using Intel® Extreme Tuning Utility, Intel® Desktop Utility, or third-party software.
... to the chassis intrusion header. The security feature uses a mechanical switch on the chassis that detects if the chassis cover is in the closed position. Intel Desktop Board DX79SI Technical Product Specification 1.12.2 Fan Monitoring Fan monitoring can be implemented using Intel® Extreme Tuning Utility, Intel® Desktop Utility, or third-party software.