You say your display is grainy? I have a theory…

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11 Responses to You say your display is grainy? I have a theory…

    • since when? Commodore 64, TRS 80, Tandy CoCo, IBM PS1 and 2, these were
      all prebuilt. in fact, I don’t recall being able to buy a motherboard
      separately until the mid 90’s, at the earliest, unless you were buying
      specific replacement parts, and even then you had to have a corporate ID
      and account with the manufacturer.

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