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  1. D

    u-Sci A2 and Disk II questions

    New to Apple II Plus and think I screwed it up big time. I bought an Apple II Plus system at an estate sale and it has a u-Sci (Microsci ?) drive as drive 1 and an Apple Disk II as drive 2. I couldn't get the u-Sci to boot any disk. I have verified from another person with a working Disk II...
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    Datasheet for microcomputer trainer CPU

    Who here remembers the Science Fair Microcomputer Trainer? Most of these appear to have shipped with a TI TMS1100 CPU. Mine however has what is labelled as a Texas Instruments MP1312. Does anyone know where to find a datasheet for this IC? In the manual I have in the parts list, it shows the...
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