Technical Micro Systems - TMSI

Location: Ann Arbor, MI

H/Z89 Hardware

H-1000 - a dual 8-bit/16-bit replacement CPU board for the H19, H29 H89. Runs 8-bit programs twice as fast, runs most IBM-PC software at four times the speed; $995 and up

Current Status: Assumed closed


Last Modified: Sunday, 25-Feb-2024 22:35:30 PST

Contact Details

Mark Garlanger

Email: heathkit [at] garlanger [dot] com

If you email me, PLEASE check your spam filter for any responses.




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.