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    gertk

    Yes I found out timing is crucial and datasheets...

    Yes I found out timing is crucial and datasheets can be very unclear... I now have replaced both the HC573 latches with 16V8 GAL's as 74F574 are hard to get and I didn't want to wait (...) hoping...

    gertk Today, 04:22 AM Go to last post
    Hugo Holden

    Just move to the next standard value above the...

    Just move to the next standard value above the labelled uF value, and use the same voltage rating or one step above is ok within limits of the physical size. The 270uF 10V cap has a dome top, it has...

    Hugo Holden Today, 03:09 AM Go to last post
    clh333

    Tandy Assembly

    Like many of you I was disappointed to hear that this year's Tandy Assembly will not be held. It was scheduled for October 30-November 1 and I had planned to attend.

    The reasons for...

    clh333 Today, 02:36 AM Go to last post
    Plasmo

    When testing overclocked board, I would sweep...

    When testing overclocked board, I would sweep voltage from 4.75V to 5.25V while running memory diagnostic; copy one disk to another disk and verify; and run instruction test like zexall.com. In my...

    Plasmo Today, 02:31 AM Go to last post
    g4ugm

    To return to the original topic, perhaps this is...

    To return to the original topic, perhaps this is why:-

    https://www.ebay.co.uk/itm/293789928680

    g4ugm Today, 01:43 AM Go to last post