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Type: Posts; User: glitch

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  1. Replies
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    1,769

    It's a DS1287 for sure, a DS12887 or GW-12887-1...

    It's a DS1287 for sure, a DS12887 or GW-12887-1 will work in its place -- that's what I run.
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    1,769

    Not to dig up a dead thread, but yes, these...

    Not to dig up a dead thread, but yes, these motherboards often have shorted tantalums that shut down the power supply. I've got a small stack of the 6-slot Intel Xpress boards to go through, all shut...
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    3,313

    IRCLE 3.1 PPC on Mac OS 8.1 on a Power Mac...

    IRCLE 3.1 PPC on Mac OS 8.1 on a Power Mac 6100/66:

    http://i.imgur.com/e0I7Zi1.png
  4. My CP/M build requires a ROM swap, there are...

    My CP/M build requires a ROM swap, there are almost certainly builds out there that don't. I have SD Systems CP/M Plus (CP/M 3) on 8" that I haven't gotten working yet; presumably, that boots with...
  5. The SD Systems board set is nice, that's...

    The SD Systems board set is nice, that's basically an entire SDOS or CP/M setup minus the disk drives and S-100 backplane. I don't need it, but if someone here gets it and wants to get CP/M up and...
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    844

    Typically $25 for hobbyists. Regular...

    Typically $25 for hobbyists. Regular electrolytics get replaced with same-size modern electrolytics, the bipolar/nonpolar electrolytics get replaced with MLCC 1206 ceramic caps which are much better....
  7. An excellent reference indeed! That and the CP/M...

    An excellent reference indeed! That and the CP/M 2 Alteration Guide were on my desk for the entire port of CP/M 2.2 to the CF card adapter for the 8085 SBC rev 3.
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    Indeed, it can be LS or HCT family. I was using...

    Indeed, it can be LS or HCT family. I was using 74F573s for a while since they were significantly cheaper from one of my usual suppliers (they had several hundred in stock).



    Yeah, level...
  9. I'd watch with having people do this if they...

    I'd watch with having people do this if they aren't familiar with running Linux servers at all, there's a lot to go wrong that could leave your Raspberry Pi part of a botnet or mining bitcoin for...
  10. Nice! I like how they used both 30 and 72 pin...

    Nice! I like how they used both 30 and 72 pin SIMMs, so you could reuse what you had before the upgrade.
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    Nice! I don't know if Coherent on x86 was like...

    Nice! I don't know if Coherent on x86 was like Interactive, but for Interactive, there were RAM limitations on ISA systems. EISA and MCA didn't have the same limits.
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    The caps are in both the power supply and signal...

    The caps are in both the power supply and signal sections. There's three nonpolar electrolytics in the motor control section. They don't drag the supply down when they fail, I suspect they just lose...
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    I repair them. Mostly it's bad caps. Sometimes...

    I repair them. Mostly it's bad caps. Sometimes the leakage damage is too extensive, I'm not sure what happens but the symptom is that the drive won't spin up. If your drive still spins up, it can...
  14. Thanks! People occasionally complain that it's...

    Thanks! People occasionally complain that it's more expensive than grinding the end down and soldering a battery-on-a-wire to it :p I wish more folks had sent in their dead NVRAMs when I had the...
  15. They'll also clear SBus boards, for Suns that...

    They'll also clear SBus boards, for Suns that have SBus slots over the NVRAM socket. Not sure if that's an issue for your situation. If you know other Sun hackers in your area, batching the orders...
  16. Very cool! Only upgrades I have are some Ross...

    Very cool! Only upgrades I have are some Ross HyperSPARC modules and a Weitek PowerUP! and 64 MB SBus expansion. I've moved them between my SPARCstation 2 and SPARCstation IPX, can't decide which I'd...
  17. Please do -- both of you! I didn't realize there...

    Please do -- both of you! I didn't realize there were upgrade motherboards available!
  18. Thread: KIM-1 interest?

    by glitch
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    16
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    619

    There's a few AIM-65 enthusiasts here as well! I...

    There's a few AIM-65 enthusiasts here as well! I wouldn't put myself in that category, more just an owner of one, but there are a few guys here and on IRC that *really* hack on them. TangentDelta...
  19. Thread: KIM-1 interest?

    by glitch
    Replies
    16
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    619

    It is indeed a neat little SBC! My first taste of...

    It is indeed a neat little SBC! My first taste of machine code and assembly was on a KIM-1 that'd been given to me by a future employer. Dead power supply and missing its 1 MHz crystal. Never got...
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    Hexacon irons for me. I use Select-o-Track and...

    Hexacon irons for me. I use Select-o-Track and Therm-o-Track temperature controlled stations.
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    Old thread, but, confirmed working on...

    Old thread, but, confirmed working on Novell/Anthem/Eagle NE2000T cards, ASSY # 810-000220-001. I think I have something going on with my test bench power supply -- works fine in the IBM 5160 PC/XT...
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    Well, they're labeled 1, 2, and 3 :) I'll dig...

    Well, they're labeled 1, 2, and 3 :) I'll dig into the docs and see if the previous owner noted what he was running. I have the full system, but haven't had time to dig into it.
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    I'll see what my LFD-400 has in it, it may not be...

    I'll see what my LFD-400 has in it, it may not be immediately useful to you as it's installed in an Altair 680.
  24. You can also print to a serial "printer" and...

    You can also print to a serial "printer" and capture the text with a modern computer and terminal emulator.

    If you're using WordStar on the Z80, you can run XMODEM or Kermit or something to...
  25. Thread: Imac g3

    by glitch
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    238

    Yeah, you don't need the diags CD to install....

    Yeah, you don't need the diags CD to install. Also, you can burn the DMG file once you have the system up and running :p
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