Advanced expansion modules include Video 64, allowing 64 x 32 character text display; Grafik, adding true 512 x 256 monochromatic graphics and Basic G, with additional graphical functions to BASIC; Pascal, and editor and compiler of the PASCAL programming language; Assembler, a low level programming language; AD/DA, a ADC / DAC converter interface; MS 151 and MINIGRAPH, a drivers for Czechoslovak plotters XY4130 and Aritma 0507; STAPPER, a driver for a punched tape unit; SESTYK, adding a serial port for networking and DISC 2, a controller for a 8" floppy drive using on an unlicensed CP/M clone.

Due to an EPROM address conflict, DISC 2 couldn't be used with the Basic G or Pascal modules.

[5][8] This computer was produced locally due to a lack of foreign currency with which to buy systems from the West.

[citation needed] This computer had a persistent tendency to overheat under even a light workload and thus the common joke about it was "it's an excellent coffee mug heater."

After the fall of Communism in 1989, production of the IQ 151 was stopped, since it was not competitive in terms of price, quality or features compared to more modern computers.