Post #521729

New blog post! Fujitsu made a wildly complicated machine in the FM-77AV2, and this one defeated me. I did narrow the problem to a bad custom chip! Come along and see the heaviest 8-bit computer I owned before I got even heavier ones. https://www.leadedsolder.com/2026/02/10/fujitsu-fm77av2-damaged-keyboard-controller-failure.html #retrocomputing #FM77AV #fm7 #fujitsu #debugging