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    Mac IIci Error Type 7 when virtual memory is enabled

    So here's an interesting problem. I've got a (as far as I can tell anyway) perfectly functional Mac IIci. It's been recapped. The logic board is clean and there was very minimal corrosion. Everything seems to be working. I've run Mac Test Pro on it. Everything checks out. However, if I turn on...
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    Mac IIsi PRAM issue

    I have a IIsi that is losing pram settings when off with a good battery.  What I've found so far, the nvram is handled by the ADB controller at UB1 and is powered off Q7 biased by R34 through R33. I have a good 3 volts on the collector of Q7 but after R33 I'm down to around 0.5v. I suppose its...
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