Some older AMD CPUs do not support Windows 8.1

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Oct 25, 2013.

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  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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    There are reports that a number of old AMD processors from the Athlon X2 64 and Opteron 185 series do not support the 64-bit version of Windows 8.1 due to lack of support for the CMPXCHG16b instructi...

    Some older AMD CPUs do not support Windows 8.1
     
  2. PhazeDelta1

    PhazeDelta1 Ancient Guru

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    There's a tool out that will let you bypass CPU feature checks.
     
  3. Solfaur

    Solfaur Ancient Guru

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    Awww, I still have my AMD Athlon 64 3500 + box in the pile of boxes that I use to elevate my left rear surround speaker, brings back memories. :D
     
  4. Phatzy

    Phatzy Master Guru

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    No Problems here using the X2 5000 with Win 8.1.
     

  5. lucidus

    lucidus Ancient Guru

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    Lol .. I can imagine Don Mattrick saying that :p :banana:
     
  6. BABA-The Hacker

    BABA-The Hacker Banned

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    ......everyone knows about it.....:tux:

    stop bullying AMD/ATI...
     
  7. ---TK---

    ---TK--- Ancient Guru

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    what a coincidence, I do not support windows 8.1
     
  8. Mannerheim

    Mannerheim Ancient Guru

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    i wonder if my Pentium III 500Mhz runs win 8.1.
     
  9. BLEH!

    BLEH! Ancient Guru

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    My thoughts exactly.
     
  10. scatman839

    scatman839 Ancient Guru

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    I researched it a few weeks ago.

    You have to go all the way back to the Pentium Pro days (max 200mhz) to reach a point where windows 7 refuses to run from missing instructions.
     

  11. lucidus

    lucidus Ancient Guru

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    Hmm .. why does Windows support hardware that are as good as unusable today?
     
  12. scatman839

    scatman839 Ancient Guru

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    Well, I doubt anyone would try to run windows 7 on a 160mhz pentium 2, but its just that its got enough of the right instructions to run it.

    Microsoft say 1ghz for the cpu in W7, doesn't mean it can't be run below it, but it will get to the point where it's just so slow you may as well try to use a painting as a computer.
     
  13. MiMiK

    MiMiK Master Guru

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    LOL :banana:
     
  14. Speed Weed

    Speed Weed Maha Guru

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    Don't worry about it!
    Some newer motherboards don't even allow you to install Windows XP. ;)
     
  15. Veeshush

    Veeshush Maha Guru

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    No. Well, kind of. I was able to run Windows 8 on a Pentium III for a while, but it would crash on and off. I'm assuming it's the same for 8.1. If I remember right, it has a lot to do with windows components (I believe Netframework was one of them) wanting SSE2. When it did run I felt it was pretty snappy.

    If you want older rigs to run modern OS then Linux is your better bet. Or using older Windows versions that were released around the time of the hardware in question.
     

  16. Dch48

    Dch48 Ancient Guru

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    8.1 runs just fine on the Turion64 ML-34 single core CPU in my 2005 vintage laptop. I can't see why a newer dual core chip would be incompatible.

    I see in the article that it only applies to the 64 bit version of Windows 8.1. I'm using the 32 bit flavor since the previous OS on the machine was XP Pro 32 bit and I figured 32 bits would be faster on an old CPU.
     
    Last edited: Oct 27, 2013
  17. sykozis

    sykozis Ancient Guru

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    I'm considering putting Win8.1 on the Pentium-D 915 system I have here... It's running Vista right now.
     
  18. Corrupt^

    Corrupt^ Ancient Guru

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    Until they resolve the messed up mice behavoir in games not using rawinput... I don't support Windows 8.1 either. Rather then just a new menu, they actually BROKE something this time that was fine for over a decade.

    Will probably run smoother then Vista :nerd:
     
    Last edited: Oct 28, 2013
  19. Extraordinary

    Extraordinary Ancient Guru

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    I've got a Pentium 4 Northwood that can run 7, but doesn't have the instruction sets for 8 / 8.1
     
  20. sykozis

    sykozis Ancient Guru

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    Ubuntu LiveDVD runs smoother than Vista does....

    Then I won't even try. I've already run Ubuntu LiveDVD on it....and that runs reasonably well. I just hate Ubuntu and Vista runs like crap...
     
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