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  1. J

    Mac IIsi with no address or data bus activity. Strange signal on all ram data pins

    So I picked up another Mac IIsi (this brings the total to 3!) but I can't get it to work. I have it and another working IIsi sitting side by side on the bench and have been checking the signals on a scope and comparing between the two. Both have a good 20mhz clock signal at the cpu. The working...
  2. J

    SE/30 A-Series ethernet card drivers?

    Hi, I have an SE/30 with this A-series ethernet card (possibly originally for a IIsi) that works fine and has been working fine for years. It seems to work ok with no special drivers installed but transfers seem a bit slow. Does anyone know if there's specific drivers for this card that, if...
  3. J

    Mac II with no Nubus slots working - can another Mac II owner measure some voltages/resistances?

    Hi, I've been wanting a Mac II for years and have finally purchased one described as "dead". I'm making good progress with it and it's no longer "dead". The logic board has been cleaned, recapped and had the batteries replaced. The power supply still works and has good voltages. The soft power...
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