What does the memory test screen look like with the diagonal lines? Looking through my fixes for TTXVDU corruption, it is worth checking IC38 (74LS86) and IC15 (74LS273) it is also a good idea to check continuity from the legs of IC2 (6845) through to ICs 8/9/10/11 (81LS95s)
Statistics: Posted by maniacminer — Wed Apr 02, 2025 12:47 am