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Additional Pictures 

 

The known Revisions of the printed circuit boards (PCBs) with the PCB-Mark 308 used with the TI-200 I Check Writer and its siblings.


horizontal rule

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

© Stefan Klaes and Joerg Woerner, February 13, 2020. No reprints without written permission.