DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The second series of the
TI-81 uses a huge Printed Circuit Board (PCB) with three display drivers.
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The third series of the
TI-81 got a revised display driver attached directly to a flexible board with very thin traces.
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| The second
series of the TI-81 combined an application specific Z80 CPU with one external RAM and one ROM.
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The third
series of the TI-81 replaced the application specific CPU with a standard Z80 CPU and an ASIC.
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, January 19, 2003. No reprints without written permission.
