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Recent content by matt.c

  1. M

    CMOS system options don't persist on cold boot after DS12887 replacement

    I had some time tonight and I was able to get in there and safely snip pin 21. Everything saves now!!! I really wish I had taken a closer look at the data sheet, this was staring right at me. Thanks all!
  2. M

    CMOS system options don't persist on cold boot after DS12887 replacement

    Hello there, thanks for reading my request for assistance. I'll try to keep this as brief as possible while sharing what I believe to be all relevant info. The original Dallas DS12887 in my 486 died a few weeks ago. On cold boot, it would display: If I went into setup to define drive geometry...
  3. M

    ANNOUNCE: VCF East XIII 8085 Single Board Computer

    Had a great time building this kit! Before leaving the hackerspace, I made sure to get the bootrom programmed and we got the user LED flashing. However, since bringing it home, I haven't been able to successfully establish a serial connection to the computer. I only get garbage on screen, even...
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