JSPW－04 programming interface board is used on KMM Programmable Regulator and KMP Programmable calculator to program. It can be completed with IBM－PC,P C／XT,PC／AT or other compatible machine (such as Great Wall0520,0530; Donghai 0520,0530) as expansion of PC-board. With the help of programming software, it can program and produce user EPROM.