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  1. Unknown_K

    Nubus card - Nuvista - Tantalum exploded with poweron

    I would just replace it and see if the card works.
  2. Unknown_K

    Nubus card - Nuvista - Tantalum exploded with poweron

    https://www.onelectrontech.com/tantalum-capacitor-failure-modes-and-causes-esr/
  3. Unknown_K

    Windows NT PPC on Macs

    Are there any apps that will run on a PPC NT machine?
  4. Unknown_K

    IIx died, possible bad PSU?

    Wire up the wires that melted and check for shorts (DO NOT POWER THE BOARD UP). I looked at my spare IIx board and there is nothing in that are to short out. I don't see any major leakage on top of the board that has leaked into vias. The thing is that board shorted long enough to completely...
  5. Unknown_K

    IIci Mystery PDS Card

    There are 13 chips across on that PDS card, never seen a cache card like that.
  6. Unknown_K

    IIx died, possible bad PSU?

    What does the top side of the board look like, is there a lot of capacitor leakage?
  7. Unknown_K

    IIx died, possible bad PSU?

    Get a picture of the trace and the area around it. I don't think a shorted tantalum capacitor would melt a trace since the current surge is so short term (tants explode). Take the motherboard out and see if there is a screw or something metal loose under the board. The only boards I have...
  8. Unknown_K

    Daystar PowerCache Quadra

    I almost snagged one of those off LEM Swap back in the day, but someone beat me to it (was like $5 back then). If the code you are running fits into the cache it speeds thing up quite a bit.
  9. Unknown_K

    DOS spanned a long time and I use 286 to Pentium I's for that era. People who run XP on a I5...

    DOS spanned a long time and I use 286 to Pentium I's for that era. People who run XP on a I5 can't play early games at the correct speed and do not have the correct sound cards.
  10. Unknown_K

    IIfx-ed Up Beyond All Recognition

    If the acid gets into internal layers of a multi-layer board, then its game over man.
  11. Unknown_K

    Just wait till kids who started on laptops want to find working ones in 10-20 years.

    Just wait till kids who started on laptops want to find working ones in 10-20 years.
  12. Unknown_K

    Go look at what those models actually sold for, not what some people list them for. People buy...

    Go look at what those models actually sold for, not what some people list them for. People buy machines for all kinds of reasons. Some people do want the exact system they had as a kid, some just want a specific case, some just want the motherboard, CPU, and add-on cards, and some want a system...
  13. Unknown_K

    The good old days where you could find cheap SUNs, Amigas, Atari ST, 68K Macs, etc are over. The...

    The good old days where you could find cheap SUNs, Amigas, Atari ST, 68K Macs, etc are over. The only cheap stuff you find now are obsolete PCs since everything else is defunct and people expect too much for obsolete Macs.
  14. Unknown_K

    New acquisitions: MacPro 2010 and XServe 2009

    You kind of need a rack to mount an Xserve in because of the shape, and closet to dump it in because of the noise.
  15. Unknown_K

    New acquisitions: MacPro 2010 and XServe 2009

    I would use a period correct Mac GPU for that thing (HD 5770 or HD5870 I think).
  16. Unknown_K

    Power Mac G3 beige - startup chimes but no boot

    Beige G3's can use a standard PC ATX supply if you change a jumper on the motherboard. I have a Beige G3 desktop that hasn't worked since I got it more than a decade ago. Since I have others, I never bothered with it but someday I do need to get it working. Wish I had a diagnostic card like I...
  17. Unknown_K

    Power Mac G4 MDD Dual CPU upgrade pros/cons?

    I tend to do that on my G4's (dual HDs). You just select the drive you want to use and reboot or just hold the option button after it chimes and pick the drive.
  18. Unknown_K

    Power Mac G4 MDD Dual CPU upgrade pros/cons?

    In OSX the second processor helps a bunch. Each G4 1.25ghz CPU is probably using 30-40W at most.
  19. Unknown_K

    New Mac IIfx Recap?

    If the machine doesn't want to shut down replace C24 and C9 which are the only leaky SMT capacitors on the board. The larger capacitors rarely if ever need changed and the tants will blow up if they need replaced (they short closed and pop generally not hurting anything in the process).
  20. Unknown_K

    Have se/30 on internet—now what?

    68k macs kind of sucked on the internet 15+ years ago and things have not been getting better. I have ethernet on my SE/30 mostly for file transfers between machines and servers plus I used to do some FTP stuff. Timbuktu is another thing to try, controlling another computer via software is cool...
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