SFZ-3100 configuration interface board is a unit of DDZ-S series products. It is used to do programming and EPROM for STB-1201 programming regulator and STY-2201Complex ALU. It also can be used in signal-loop KMM programmable regulator and KMP programmable calculator. As the compatible expansion board of IBM-PC, it is completed with programming software which made it has a simple structure, easy operation.