TI-99/4A
A home computer released in June 1981 from the maker of the first 16-bit home computer, the TI-99/4.
Texas Instruments released the TI-99/4 in 1979. It was the first 16-bit home computer, built around TI's own TMS9900 microprocessor. Its calculator-style keyboard and high price drew criticism.
TI released the TI-99/4A in June 1981 with a simplified design, a full-travel keyboard and better graphics. It cost half as much as the original, and sales picked up. In late 1982, TI shipped 5,000 computers a day from its factory in Lubbock, Texas.
Why it matters
The TI-99 line brought a 16-bit processor to the home market. It also took part in the 1982 price war that Commodore started.
Key facts
- TI-99/4 released in 1979, the first 16-bit home computer.
- TI-99/4A released in June 1981.
- Used TI's TMS9900 microprocessor.
- Sold at half the price of the original model.
- 5,000 computers a day shipped from Lubbock in late 1982.
Sources
- Wikipedia, "TI-99/4A", en.wikipedia.org/wiki/TI-99/4A, accessed October 14, 2026.
- Wikipedia, "Texas Instruments", en.wikipedia.org/wiki/Texas_Instruments, background reading, accessed October 14, 2026.