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Additional Pictures 

 

This early TI-85 with the Date code I-1092 was manufactured by
Inventec in Taiwan in October 1992. 

The PCB (printed circuit board) of this TI-85 manufactured  
in August 1992 looks very similiar to the first TI-81 introduced in 1990.

The main components of this early TI-85: Toshiba T6A43 Application Specific CPU, Sharp LH5311992ROM
and Suwa Seikosha SRM20256 RAM. 

This early TI-85 graphing calculator makes use of three display drivers :
Two T6A39 column drivers and one T6A40 row driver.


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

Joerg Woerner, March 5, 2009. No reprints without written permission.