Forum Rules and Etiquette

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This forum is part of our mission to promote the preservation of vintage computers through education and outreach. (In real life we also run events and have a museum.) We encourage you to join us, participate, share your knowledge, and enjoy.

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Rule 5: Copyright and other legal issues

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Caution about AMD socket 754, 929, etc.

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    Caution about AMD socket 754, 929, etc.

    I have an old Socket 754 system here that I occasionally power up to do some rare tasks. Recently, I kept getting thermal shutdown issues, which was a bit perplexing as I don't load the thing down. Yesterday, I popped the top on the case and had a look-see. Much to my surprise, the retention tabs on the heatsink mounting had completely broken off, leaving heatsink and fan flopping around. In fact, the whole plastic bracket is brittle and I can break bits off with my fingers.

    Fortunately, the retention bracket is available and inexpensive. But I thought this was worth a caution.

    The Scythe universal (steel) brackets are discontinued, but apparently still has them in stock.
    Last edited by Chuck(G); August 17, 2020, 10:29 AM.
    Reach me: vcfblackhole _at_ protonmail dot com.

    I've not had issues with the hooks breaking off in any case other than going Conan on it when installing the heatsink. But I guess they are getting to be that age where plastic becomes brittle after years of heat abuse.


      Now that I'm the proud owner of 1 socket 462 mobo and 11 cpu's, anything I need to know?

      Anyone need a socket A/462 microprocessor? Just pay shipping. I'll compile a list on a need to know basis.


        The surprising thing to me is that these retention brackets weren't done with PA6 glass-filled nylon.

        I haven't had any problems with socket 462/ socket A boards; if you're ambitious, it's possible to modify one of those boards to take the Athlon XP-M (mobile) CPU. The benefit is that the multiplier isn't locked, as it is on the Athlon XP CPUs.
        Reach me: vcfblackhole _at_ protonmail dot com.


          I had one break as well a few years back. Most likely it was a cheap aftermarket bracket. The system will slow down or shut down when the CPU gets hot so nothing breaks (unlike early Athlons).

          If you want a hotrod Athlon XP you might as well get a motherboard with 400 FSB and the last gen XP 3200+ CPU with 400 FSB since they are inexpensive. I think the mobile XP's top off at 333 FSB.
          What I collect: 68K/Early PPC Mac, DOS/Win 3.1 era machines, Amiga/ST, C64/128
          Nubus/ISA/VLB/MCA/EISA cards of all types
          Boxed apps and games for the above systems
          Analog video capture cards/software and complete systems


            I'msure it is because you've been erasing too many EPROMs. A little bit of ozone each time and plastic fails!!


              Dwight--I haven't erased a UV EPROM in perhaps a decade. EEPROMs and flash for me.
              Reach me: vcfblackhole _at_ protonmail dot com.


                My board only has a 333mhz bus. The croatian chip is an xp 2600+, and worked, once I got my act together. I'm just happy I have a working board. In general I won't even consider a mobo unless it's SEALED nos. But people lie. My bag was opened. Sometimes people just have to gaze upon something brand new and open it. Sometimes they use it for whatever length of time then put it back in the bag. Then it becomes born-again NOS. Not an official ebay category that I know of. But there are loads of products that undergo a true religious experience. They may even have some residual baptismal moisture lingering about. Maybe that's what's meant by seller refurbished. The refurbisher just happens to be God though. And automatically it's kosher for pesach too.


                  I buy whatever looks interesting and is cheap so used. Sometimes you need to replace a capacitor but no big deal. You can find old server boards still NIB on ebay (somebody kept them as spares and were never needed I assume).
                  What I collect: 68K/Early PPC Mac, DOS/Win 3.1 era machines, Amiga/ST, C64/128
                  Nubus/ISA/VLB/MCA/EISA cards of all types
                  Boxed apps and games for the above systems
                  Analog video capture cards/software and complete systems


                    My amd board was .99$.

                    Yes sealed box server boards are the most. But right now I'm spying an open box/no box mondo server board. It's as unconventional as you can get. In every aspect.



                      I finally received my Scythe "Universal Retention Kit" today. Very nicely done; all metal. Went onto the the Socket 754 board easily and fits precisely. Instructions say that it fits Socket LGA775, 1156,1366 (Intel) and 754, 939, 940, AM2, AM2+, AM3, AM3+, FM1.

             still has a few in stock. Other vendors seem to have discontinued them.

                      The interesting thing is that the original (plastic) backplate was also starting to disintegrate. And here I thought that all backplates were metal...
                      Reach me: vcfblackhole _at_ protonmail dot com.


                        Frozencpu is still around? I haven't heard that name since I was doing UV mods to my antec case in 2004/2005.
                        It is a mistake to think you can solve any major problems just with potatoes.


                          Reach me: vcfblackhole _at_ protonmail dot com.