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Additional Pictures 

 

This HP-75C Portable Computer was manufactured in October 1982 by Hewlett Packard in the United States (Date code 2242A wk 42 yr 1982).

The Main-PCB (printed circuit board) of the HP-75C is centered around a HP-proprietary 8-bit CPU and supported by a myriad of other chips.

The Memory-PCB (printed circuit board) with 8 Toshiba TC5516AP chips with a capacity of 2k Bytes, each.



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

Joerg Woerner, December 31, 2020. No reprints without written permission.