DS215DMCBG1AZZ03A is a Drive Board and is part of the GE Speedtronic Mark V gas turbine control system. There are five vertical cable connectors on this densely packed board (four male and one female). There are also three vertical header connectors, three stab-on connectors, and over twenty jumper switches. In the upper left quadrant, there is a reset switch that allows you to reset the board without turning it off first. The LED indicators tell the operator of the board's status during operation.