IBM 5110 Model 3, S/N 58162
This system is part of the 5120 series of computers that was introduced in February of 1980 and was the lowest priced BM computer offered to date. The 8" floppy drives have a capacity of 1.2 MB. You could also attach an external cabinet with two more 8: floppies. A Model 5103 dot matrix printer could be used with this system.