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  1. Patrick

    512ke RAM upgrade woes

    I've been looking into building one but I think the cramp tool is prohibitively expensive. Here is a mouser cart I put together. I'm still missing the wires on it. mouser link ... But I would need the cramp tool JUST for this one or two cables and nothing else. Also, I'm very much noob to...
  2. Patrick

    Mac Plus with Brainstorm accelerator doesn't like system 7

    The ROM chips are stock. they say apple on them. From what I can find on the internet I don't see any indication that they change out the ROM. That being said, there IS firmware on the board and I updated it from v 2.0 to 2.5 for example did fix the sound. (some sounds had a static aspect to...
  3. Patrick

    No sound on Mac 128k

    Yes, I've tried both headphones and speakers. The headphone jack has a little window on it. and its very red that looks like rust on the inside. ... I don't know if that would cause sound to not work through the speaker on the analog board? I was also trying to say that the speaker works as I...
  4. Patrick

    Mac Plus with Brainstorm accelerator doesn't like system 7

    I have a Mac Plus that has been upgraded with a brainstorm accelerator. Which I understands doubles not just the CPU but the bus also from 8mhz to 16mhz. I have recapped the board but experienced this .. odd problem before I recapped it. It boots off of the scsi2sd and floppy emu just fine...
  5. Patrick

    No sound on Mac 128k

    Picked up a 128k recently. Had a sad Mac that indicated bad ram. Not understanding the address correctly I decided to replace 8 Ram chips. After that, I then realized that the error code was indicating 2 ram chips were dead. So I replaced just those 2 (totaling 10 ram chips replaced) and the Mac...