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Hello everyone, I recently took another look at the board and found what appears to be mold on the chip at Z11. Could this chip be causing the issue, or could the problem be with another chip? Ill post a picture of Z11 to better describe it.

Hello everyone, I recently acquired a trs-80 model 1 that is in good condition. It was in storage for a very long time and theres an issue with it. When I boot it up, some of the characters on the screen are replaced with random ones and I get a scrambled ready prompt. It seems like the computer...