Good news. Today I could fix the motherboard. A TTL had gone bad. Iīve spent 2 evenings with messuring. Moreover I was the fool at work because Iīve told somebody, that I am trying to fix a 286 mobo. ...
Usually I am repairing old pinball games with 6502 or 6800 MPUs. From my experience the defect part depends on the piece I desolder first: For example, if I am beginning ...
Currently, I am working on a IBM XT 286. I need it to run my programmer, to program a few MCUs and to play digger at least Although I could bring it back to life at the beginning the ...