Technical Desktops

Extended I/O ROM for 9830

Early Calc and Computers Selection:

Name: 11272B Extended I/O ROM 9830
Product Number: 11272B
Introduced: 1972
Division: Calculator Products
Original Price: $525
Catalog Reference:


Extended I/O ROM for the 9830. This ROM is required to use most peripherals with the 9830.

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