3 ms·

I have found many people saying that a rad-hardened Z80 with ferrite-core memory was used on the Space Shuttle, though I can't find an authoritative source to b

I have found many people saying that a rad-hardened Z80 with ferrite-core memory was used on the Space Shuttle, though I can't find an authoritative source to back that up.

java-man 7y ago
unlikely [0] though Sojourner rover used a rad-hardened 80C85 [1] [0] https://researcher.watson.ibm.com/researcher/view_group.php?id=7356 https://researcher.watson.ibm.com/researcher/view_group.php?... [1] https://en.wikipedia.org/wiki/Comparison_of_embedded_computer_systems_on_board_the_Mars_rovers https://en.wikipedia.org/wiki/Comparison_of_embedded_compute...
yellowapple 7y ago
The Shuttle did indeed use core memory for awhile, but in what was basically a repackaged and rad-hardened System/360 (so not Z80-based AFAICT): https://en.wikipedia.org/wiki/IBM_System/4_Pi https://en.wikipedia.org/wiki/IBM_System/4_Pi