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macintosh 512k

  1. O

    Macintosh 512k screen vertical stretch

    Hey gang - restoring a Macintosh 512k. Recapped most of the caps. I should have just bought a kit to do it right. But anyhow, the fat Mac has been working well until a few minutes ago. Playing lode runner and the screen flickered a few times. I shook the case but it didn’t make the screen...
  2. Retro collector

    Radius Accelerator 16 Plus

    Hello! I have a Macintosh Plus with the following specifications: -Radius Accelerator 16 (Plus) MC68020 16MHz (no FPU) -4mb memory -40mb Hard Drive -System 7.0 (Accelerator driver Installed) Under Speedometer 3.23, you can see twice the acceleration of the MC68000 (8mhz), but the Brainstorm...
    • Retro collector
    • Thread
    • macintosh macintosh 128k macintosh 512k macintosh plus motorola 68020 radius radius accelerator 16
    • Replies: 1
    • Forum: Apple Collectors
  3. Retro collector

    Replace TA7774P engine controller

    Hi! The engine controller burned out in the 800k floppy drive in a Macintosh Plus. Is there any other engine controller what I can buy and use to replace the TA7774P?
    • Retro collector
    • Thread
    • 800k engine controller floppy drive floppz drive 800k macintosh macintosh 128k macintosh 512k macintosh plus
    • Replies: 6
    • Forum: Apple Collectors
  4. Retro collector

    Macintosh Plus horizontal elongated display

    Hi guys! My English isn't very good, so please excuse me if i make any grammatical errors or typos. I need some help. I got a Mac Plus, and its electrolytic capacitors were changed on the analog board, the connection ports were resoldered/had new soldering. There were no problems with the...
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