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Type: Posts; User: glitch

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  1. I deal with customer data on drives from the 80s...

    I deal with customer data on drives from the 80s that *do* contain relevant data. If the drive has crashed I typically save the controller board, disassemble the head/disk assembly (HDA), and the...
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    Some people hate that replica/reproduction...

    Some people hate that replica/reproduction projects exist, though.
  3. Perhaps we just go in together and buy one?

    Perhaps we just go in together and buy one?
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    You're welcome, thanks for building one!

    You're welcome, thanks for building one!
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    The hermetically sealed lithium cells should give...

    The hermetically sealed lithium cells should give longer shelf life. Apparently a big reason why potted RTC/NVRAM modules, with the battery in the encapsulation, last so long is that the potting...
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    The holes in the PCB are sized for a press fit...

    The holes in the PCB are sized for a press fit with the header strips provided. This is so they don't fall out when you turn the board over to solder it. Every now and then, a board gets a little...
  7. Good info! I don't know how I missed this thread...

    Good info! I don't know how I missed this thread previously, I've been casually looking for the firmware for the DECserver 90TL for a few years!
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    What Chuck said. I like to use Tadiran lithium...

    What Chuck said. I like to use Tadiran lithium thionyl chloride 1/2AA cells in a 1/2AA holder, since they're very unlikely to leak unless mechanically damaged. Like this:
    ...
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    Some of their boxes just said "Spring" on the...

    Some of their boxes just said "Spring" on the outside, I think I've got a copy of MS-DOS 6 labeled as such.



    Hah, indeed!
  10. If you count your time as billable hours,...

    If you count your time as billable hours, building an XT-IDE (or other) kit probably isn't "worth" your time. But, I figure a fair number of people are like me and like to build kits even if it works...
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    I'm in the US, the repair boards are $10 (board...

    I'm in the US, the repair boards are $10 (board with battery holder and 32.768 KHz crystal installed, new Renata CR2125 battery included). I typically rebuild the modules for $25 for hobbyists.
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    Did you destroy the module in the process of...

    Did you destroy the module in the process of removing it? I've got a bunch of NVRAM/RTC repair boards that allow for the replacement of the top encapsulation with a small circuit board that contains...
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    I'd guess the screw bosses would be pretty...

    I'd guess the screw bosses would be pretty difficult to vacuum form, at least without making divots in the opposite side.
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    Huh, could be! It's not clear from the...

    Huh, could be! It's not clear from the description. Printing in resin would certainly be a cheaper option than having molds made up.
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    Says in the listing that they wanted clear cases...

    Says in the listing that they wanted clear cases for Apple IIs so they made their own. There seems to be a fair bit of this lately, with the cost of custom injection molds I'm surprised to see the...
  16. The kit stuff I took to VCF East this year (12x...

    The kit stuff I took to VCF East this year (12x 8085 SBC rev 3 kits, 50-some CF interface kits for the SBC, a few 8255 PPI kits for the SBC) was over $4K, and there's no funny connectors or anything...
  17. This. I'd hate to see what my hourly rate works...

    This. I'd hate to see what my hourly rate works out to be on packing kits. I like providing kits because I think it helps other hobbyists more than just having a finished board. Certainly not doing...
  18. He has not contacted me in the last month or so.

    He has not contacted me in the last month or so.
  19. Schematic and apparently my device footprints...

    Schematic and apparently my device footprints from the rescue file, from the looks of it. It's still nowhere in the listing, and it's not on the board itself.
  20. If you bought yours "new" from China, it'll be...

    If you bought yours "new" from China, it'll be less than 10 years :p Thanks though, I started with the rework boards for 48T02 NVRAMs for Sun machines and figured, why not do all of the NVRAMs/RTCs I...
  21. Bumping the revision number does not mean you...

    Bumping the revision number does not mean you don't need to give credit for the prior work you based it on. At best, he can claim that none of the design is based on my work (extremely unlikely given...
  22. Indeed, he did so personally to me when I offered...

    Indeed, he did so personally to me when I offered to help with the NuXT problems. Yet I still see nothing in his XT-IDE listing text or on the board itself.
  23. Some of the stuff I work on is a straight up...

    Some of the stuff I work on is a straight up reproduction, made from 4000 DPI scans of original boards. All of those are things that have been out of production for decades, and I try to make sure...
  24. This is the real thrust of my problem with the...

    This is the real thrust of my problem with the knockoff crowd. I wouldn't stick open source licenses on my projects if I didn't want others to be able to do their own thing. I assume that others put...
  25. A major point in releasing hardware as open...

    A major point in releasing hardware as open source, at least for me, is to allow others to improve the hardware, as well as to allow them to dig into it and figure out how it works, or customize it...
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