DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| This early TI-92 with the
Date
code I-0696 was manufactured by Inventec in Taiwan in June
1996. Please notice the small module with the I-0696E sticker below the backup battery.
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| The printed circuit board
(PCB) of the early TI-92 is centered around a powerful Motorola
SC414181 Application
Specific CPU, one Toshiba TC551001 RAM (128k Byte) and a total of 5 display drivers for the graphics screen. The Operating System is stored in two Atmel AT27C040 OTP-ROM (512k Byte each) in the Expansion Module.
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| This later
TI-92 with the Date code I-0896 was
manufactured by Inventec in Taiwan in August 1996. The Expansion Port is available for different available modules.
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| The printed circuit board
(PCB) of the early TI-92 is centered around a powerful Motorola
SC414181 Application
Specific CPU, a IEC 9895S ROM, one Toshiba TC551001 RAM (128k Byte) and a total of 5 display drivers for the graphics screen.
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| The backside
of the PCB with the huge graphics LCD-screen, two connectors and the
contacts of the individual keys.
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| ZOOM-Image of
the
Motorola SC414181 Application
Specific CPU.
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| ZOOM-Image of the
IEC9895S Mask-ROM.
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ZOOM-Image of
the Toshiba TC551001 RAM.
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| ZOOM-Image of
one of the three Toshiba T6A39A column drivers.
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ZOOM-Image of
one of the two Toshiba T6A40 row drivers.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, March 18, 2009. No reprints without written permission.
