It requires a parallel data cable to connect to a computer. It also has an accompanying software CD, compatible with Windows operating systems, and the manual and operating instructions are on the CD.
It comes as a bare PCB and this one is version PCB 5.0. The Willem programmer is a device for programming electronic memory such as erasable-programmable read-only memory (EPROM), and electrically erasable programmable read-only memory (EEPROM) types.
