• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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    Apple Lisa 2/5 starts only without I/O board - Error 41

    Hi there from Italy! I'm new here. I have a Lisa 1 computer upgraded to 2. The machine sadly is not working. I started with a bad DataPower 1A PSU that I recapped and now it works. On the CPU board I found a bad EPROM so I wrote them again on 2 brand new 2764-30 EPROMs. I replaced the VSROM...
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