Technical Desktops

9878A Rear

98x5 Computers Selection:

Name: 9878A I/O Expander
Product Number: 9878A
Introduced: 1976
Division: Calculator Products
Original Price: $1200
Catalog Reference: 1977, page 530


The 9878A was an I/O expander for the 9825, 9831, 9835 and 9845. It provided an additional seven expansion ports for the computers.

The 9878A was obsoleted in May of 1985.

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