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  1. br44

    Need some advice from the vintage computer community at large....

    Hey everyone! I'm looking for some advice. I recently picked up a new computer for my collection. It's an 8 bit personal computer from the 1980s that's rather uncommon. I don't want to say what it is quite yet, because I don't want it to bias the answers you all give. Suffice to say there is...
  2. br44

    New issue cropping up? 1541 Mark ii power supply failure

    Hey guys, just thought I would pop in and let people know what I discovered recently. So the story is... I recently won a 1541 mark II drive on ebay. Complete in box with all the paperwork, cables, introductory floppy, and original power supply. It seems the fella who sold it had cared about...
  3. br44

    Just how hot should a 6510 get?

    Should a normal healthy 6510 in a C64 breadbin get "freshly brewed coffee" scalding hot, or should it be more like "KFC that's been under a heat lamp all day" warm?
  4. br44

    Help finding data sheet on mystery ram ICs

    Hey guys So I'm working on restoring this C64 (250407 Rev A) and I'm working through all the problems it's having. I replaced a bad kernal rom (was getting hot as hell), and I dropped in a new GAL PLA. I was going around with the oscilloscope looking at the data bus and address lines, and I saw...
  5. br44

    Question regarding C64 power brick voltages

    Hey folks! I picked up a bread bin C64 recently, and I'm building a new power supply for it. I'm trying to find a range of voltages that are safe, sort of like a GO/NO GO gauge for my supply. All the sources of information I've found have been very conflicting (been researching for a few days)...
  6. br44

    What happened to california digital and the tano dragon?

    Title says it all. For the longest time there was a company in california who was selling new in box tano dragons (clone of the coco) for a good price. They had bought them all out back in the day when dragon went under. I had been planning on buying one but now their website is down and has...
  7. br44

    returning my ibm 5150 to original cpu configuration

    Hello I have been waffling back and forth and I have decided to change out the processor on my IBM 5150 to something close to what it would have had out of the factory. Currently the computer has a 286 speedup board that I want to remove (and sell to a lucky bidder). I am not entirely sure...
  8. br44

    MS DOS 3.31, IBM 5150, and a floppy drive question

    Hello all So as some of you might have noticed in another post I made, I have recently acquired a minty IBM 5150. Its in great shape and came with a ton of cool hardware installed. So of course the next issue is getting data onto this computer from a modern computer. I know I could install a...
  9. br44

    pcsg breakout 286 questions

    Hello I would like to start off by saying that I am a new member to these forums and to vintage computing in general. I have referenced this forum before but have created an account now that I actually have some hardware and some questions. So here goes.... I picked up a rather odd IBM PC...
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