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    Apple III Troubleshooting and Repair

    I have also noticed a very asymmetric real time clock on the CPU - 4x times longer high than low.
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    Macintosh Portable - error 00000003 000000FF ?

    I receive this error right after startup on a Macintosh portable. Does anyone know what does this mean ?
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    Apple III Troubleshooting and Repair

    After a few years, i have now a similiar issue. As you can See on the Monitor the Video SRAM is Not reseted by CPU. I can use the Keyboard reset but it doesnt reset the Video RAM. No Progress in it ?
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    Apple III Displays only Character Salad After Switch on

    I had my Apple III for More Than three years and Transportes to an exhibition recently. Unfortunately, After switching on, it Displays at first the Diagnose RAM Test and, After checked Memory and Logic ICS, only character salad as Seen on the screen. With an Oszi, we could see that 1 MHz is on...
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    Vector Graphic MZ in working condition for Sale

    Hi, i sell my Vector Graphic MZ - IT works fine. Cards: 1 Disk Controller micropolis 1 Video Terminal Card 1 64k RAM Card 1 Z80 CPU Card 1 Eprom Card 1 Network Card...
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