Doing so generally requires flashing the system SPI Flash with an external programmer. The service mode jumper is a 3-pin header on some Dell desktop motherboards, that by default has no effect (Flash Descriptor locks various region of the system firmware), but when enable bypass the Flash Descriptor restrictions, among other things (Intel ME is partially disabled). In the Intel(R) AMT tab, enable Intel(R) AMT Supported , Intel(R) ME Network Services Supported , Manageability Application Supported , Manageability Application initial power-up stage and KVM Redirection Supported .