DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The sales box
of the PS-9000 Back-Up Memory Module
sold around 1993 in the US.
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| This PS-9000 Back-Up
Memory Module was
manufactured in June 1993 by Texas Instruments in Italy (Date code RCI 210693 » June 21, 1993).
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If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, October 23, 2009. No reprints without written permission.
