Texas Instruments TM 990 / U89

This may look like a calculator - the keyboard is from a TI-59 calculator - but it's a training system for the TMS 9980A processor. The board has 1K of RAM and 4K of ROM, plus the ability to save and load code from tape.

This board is co-branded Radio Spares.

Manufacturer: Texas Instruments
Date: 1978

Texas Instruments TM 990 / U89 Manuals:

Item Manufacturer Date
TI Programmable 57 Introduction to Programming 1977
TI-5120/TI-5130 Owners Manual T I 1981

Other Systems Related To Texas Instruments TM 990 / U89:

Item Manufacturer Date
Texas Instruments TI-990 Computer System Texas Instruments 1975
Texas Instruments - TI-99/4 Texas Instruments 1979
Texas Instruments - TI-99/4A Texas Instruments 1st June 1981
Texas Instruments TravelMate 4000E Texas Instruments March 1994
TI PS6560i Personal Organiser Texas Instruments May 1996

This exhibit has a reference ID of CH50497. Please quote this reference ID in any communication with the Centre for Computing History.

 

Texas Instruments TM 990 / U89

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