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Texas Instruments TI-99/4a Computers


The TI-99 computers from Texas Instruments are a terrific and affordable vintage computer to start collecting. It seems like almost all the games were pretty good.

I have been collecting vintage computers (Apple, Atari, & Commodore) for about a decade now and just added a Texas Instruments TI-99/4a to my collection. I never saw one of these computers before now. Perhaps they were not sold in my area. But it is a really cool little computer considering it is almost 35 years old. I would have been really happy to have owned a TI-99 way back then.

  • 1979: June – Texas Instruments (TI) introduces the TI-99/4 home computer.
  • 1979: November - TI begins shipping the TI-99/4.
  • 1981: June - The new and improved TI-99/4a personal computer is introduced.
  • 1983: June - TI releases the plastic beige console version of the TI-99/4A.
  • 1982: December - The TI-99/4A is the number one home computer in the USA with approximately 35% of the market share.
  • 1983: July - TI ships the 1 millionth TI-99/4a.
  • 1984: January - TI has sold 2.5 million TI-99/4a’s. Although the personal computer market has become very competitive.
  • 1984: March – Texas Instruments throws in the towel and drops out of the home computer market.