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Recent content by blturner

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    Example SE/30 Video Repair - UE8 LS166

    I managed to find a couple broken traces that were obscured by the barcode label! One of the traces was to the ASC which after reconnecting, fixed the video, although briefly. After subsequent reboots, the vertical bars returned, but with more data this time. More details...
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    Example SE/30 Video Repair - UE8 LS166

    I'm working on a Macintosh II with similar vertical patterns. I haven't found broken traces and I don't have an oscilloscope (yet) to investigate ICs. I'm suspicious of the 74ALS651 chips: C7, D7, C8, D8, etc. My understanding is these are RAM buffer chips which pass signals between the NUCHIP...
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    LCWeb, a 68k web server

    Now my list of webpages served by LC's is two! http://elsie.zia.io My first family computer was an LCII which my parents' still have. I got it recapped last year, so next time I visit I've got a project waiting for me.
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