An acronym for VersaModule Eurocard bus; an alternative to the PC bus, S-100 bus and others. The original design was 32-bit bus developed jointly by Motorola, Signetics, Mostek and Thompson CSF. It is widely used in industrial, commercial and military applications with over 300 manufacturers of VMEbus products worldwide. While it is in use worldwide, it is often just called EuroBus. VME64 is an expanded version that provides 64-bit data transfer and addressing for use with modern and future CPU technology.