Heathkit/Zenith Data Systems Computers (1977 - mid-1980s)

Heath Company was one of the key players at the beginning of the personal computer revolution. Today, most people carry vastly more computing power and storage in the form of a small phone. These early systems had processors which ran at 2 MHz, supported at most 64k of memory, and used floppy disks which supported about 100k.

In the mid 80s they started making IBM PC compatible systems, like most of the industry. They had some excellent designs/systems, but this site is focused exclusively on the pre-IBM PC computeres, their software, and accessories.

Latest News


Changed the menu structure a bit, and added back the `Spotlight` section, from the previous website design.


Our website received a much needed update. Hopefully, the information is more easily accessible, and usable for everyone. Stay tuned for plenty of more updates and information. If you have any comments or suggestions, please contact me.


We hope you enjoy your vist here. If you have any comments, questions, or concerns, please contact me.

Last Modified: Tuesday, 27-Sep-2016 00:13:49 PDT

Contact Details

Mark Garlanger

Email: mark [at] garlanger [dot] com
Website: www.garlanger.com



This site is dedicated to preserving the history of the original Heathkit computers. They were initially release in 1977 and included the 8-bit H-8 and 16-bit H-11 systems. The H89 was released in 1979.