DS200TCPAG1A is a Turbine Control Processor Board and a part of the Mark V series developed by General Electric. This module is one of the control processor board under General Electric Speedtronic series of components. The Speedtronic Mark V modules are compatible with the DS200 line of circuit boards. The Mark V modules are a series of programmable turbine control systems that are used to manage and control gas and steam-powered turbines and power production applications.