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Additional Pictures 

 

This TI-83 Engineering Sample without date code was manufactured by Inventec in Taiwan in 1998.

The printed circuit board (PCB) of this TI-83 looks very similar to the TI-82.

The main components of the TI-83: Toshiba T6C79 Application Specific CPU
Macronix 1998 ROM and Winbond W24258S RAM.

The display driver of the TI-83  in a small COB housing mounted on a second PCB:


If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, February 2, 2009. No reprints without written permission.