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.

| Back | Product Documentation | Category Accessories |


©2004 - 2016 WordSong Communications Pty. Ltd. All Rights Reserved.

The HP Computer Museum and Wordsong Communications Pty. Ltd. are not affiliated with the Hewlett Packard Company or with Hewlett Packard Australia Ltd. Hewlett Packard and the HP logo are trademarks of the Hewlett Packard company. This website is intended solely for research and education purposes.

View our Privacy Statement Terms of Use