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  1. RetroTechGuy

    Short on 7100/66AV logic board

    I got a hold of a Power Macintosh 7100/66AV a while back with some serious corrosion around many of the capacitors. I think @Kai Robinson has posted about the same kind of board with similar damage. I got the capacitors off without any visible damage to the pads and I scraped off the corrosion...
  2. RetroTechGuy

    Hot CLUT DAC on LCII ok?

    I have an LC II logic board that won’t show an image. I’ve seen that others have had the same problems, but I’ve recapped the board and tried with a PRAM battery. The hard drive spins up and the monitor leaves stand-by but there is no chime. I’ve noticed that the UJ10 chip next to the video...
  3. RetroTechGuy

    Strange Plus Mod?!

    I opened up this Macintosh Plus today and came across this mod - never seen it before! Anyone know what it does?
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