In this video, we take a close look at the GE IS200DSPXH1D Digital Signal Processor Board used in the Speedtronic Mark VI System. You'll see how this DSPX board handles real-time signal processing for gas, steam, and hydro turbine control, and we walk through its key hardware features, including triple module redundancy support and automatic fault isolation. We also explain what the model suffixes like H1D and H1C actually mean, so you can better understand revision levels when sourcing or replacing boards. A clear, practical overview for maintenance and engineering teams working with Mark VI systems.