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

Manufacturer: Texas Instruments
Date: Unknown



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Texas Instruments TM 990 / U89 Manuals:

Item Manufacturer Date
Helios C40 Distributed Software Limited Unknown
TI Programmable 57 Introduction to Programming 1977
TI-5120/TI-5130 Owners Manual T I 1981

Texas Instruments TM 990 / U89 Articles:

Item Manufacturer Date
Acorn ACA42 486 Processor Card Acorn Unknown
Acorn ACA56 PC Card (Upgraded) Acorn Computers Unknown
TMS6100 Speech Emulator Upgrade Unknown
TI Silent 700 ASR Data Terminal Texas Instruments 1975
Burr-Brown TM70 Microterminal Burr-Brown 1982
TI Program Recorder PHP 2700u Texas Instruments 1983
Cheetah 125+ Joystick Cheetah Marketing Ltd 1986
Acorn ACA42 PC Card Acorn 1994
TI calculator-based ranger (CBR) Texas Instruments 1997

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 TM 990 / 189 Texas Instruments March 1982
Texas Instruments TravelMate 4000E Texas Instruments March 1994
TI PS6560i Personal Organiser Texas Instruments May 1996

This exhibit has a reference ID of CH55659. Please quote this reference ID in any communication with the Centre for Computing History.

 

Texas Instruments TM 990 / U89

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