In 1981, dBASE II brought database functions to the personal computer and launched an industry of compatible products and add-ons. The IBM PC was successfully cloned by Compaq and unsuccessfully ...

so IBM had to roll out the IBM7080, which was compatible, at least, with the 705. Both machines could run 650 code via emulation. Hardly a personal computer, this beast weighed over 23,000 pounds ...