Dell Chassis Management Controller Version 1.3 for PowerEdge FX2/FX2s User's Guide

The CMC firmware includes a signature. The CMC firmware performs a signature verification step to ensure the authenticity of the uploaded firmware. The firmware update process is successful only if CMC authenticates the firmware image to be a valid image from the service provider and has not been altered. The firmware update process is stopped if CMC cannot verify the signature of the uploaded firmware image. A warning event is then logged and an appropriate error message is displayed. The firmware update includes upgrade and downgrade.