GE DS3800HMPK1J1J
Product Name: GE Speedtronic Mark IV Microprocessor Control Board
Product Introduction: The DS3800HMPK1J1J is a microprocessor control board developed by General Electric for the Speedtronic Mark IV gas and steam turbine control systems. The "1J1J" suffix denotes a specific hardware and firmware revision pairing, which is critical for like-for-like replacement and rack compatibility. In a Mark IV card set, this board functions as the main logic and processing module, coordinating data across the backplane and governing the behavior of attached I/O boards.










