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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...
  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?
  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...