GE IS215VCMIH2BE VME Bus Master Controller BoardDescription The IS215VCMIH2BE is a VME Bus Master Controller Board manufactured by General Electric as part of the Mark VIe Series, used in GE Distributed Turbine Control Systems. This VCMI board acts as the communication interface between the controller and the I O boards, as well as the system control network known as IONet. It functions as the VME bus master within the control and I O racks, managing the IDs for all the boards in the rack and their