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Thread: Monorail 133 processor support

  1. #1
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    Default Monorail 133 processor support

    I have a 133mhz (probably does not support MMX) version of the Monorail all-in-one and seeing how it's got a regular Socket 7 processor, I want to upgrade it to something better.
    The thing is I do not know any of the jumper settings for the system so I can't just throw in a nice 233mhz MMX pentium or something even nicer if I can source a better cooling solution.

    = Excellent space heater

  2. #2

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    Oh wow... it's been many years since I saw one of those! The design was rather impressive at the time, since it was one of the first desktop PCs to use an LCD monitor, but the lack of expandability made it seem rather limited.

    Space and cooling constraints will be a major hindrance in finding a CPU upgrade that will work, unless you can find one that uses a small, low-power "laptop" version of a CPU.

  3. #3

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    I remember that machine, but I never poked around inside one. If nothing else, you should be able to put an IDT Winchip CPU in there. I had good luck in the 1997-98 timeframe using that CPU to upgrade Pentiums. Sometimes it was the only way to get MMX support on the older machines, and you didn't have to have explicit BIOS support for it. Most systems I tried it in just thought it was a Pentium at a weird clock rate.

    Unfortunately for you the Winchip remapped the 1.5x multiplier to 4x; the old Pentium 2x multiplier still did 2x on the Winchip, so you'd still have to find the jumper pins. From what I read, if you just remove the jumper pins, then it defaults to a 4x multiplier.
    my blog: http://dfarq.homeip.net
    I wanna live where it's always Saturday. --Guadalcanal Diary

  4. #4
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    I have my Presario 3020 and it maxes out at a 200Mhz MMX. It had ample room inside for a huge cooler, so depending on the system design that might not be a problem (or might) - have to look to tell. I'd go with a Tillamook chip at 266->400Mhz (depending on FSB) if it takes it.
    More commonly known as "Yushatak" - www.yushatak.com
    Focused on 486 and Pentium Machines
    I collect All-In-One PCs and Keyboard PCs, especially Compaq.

  5. #5
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    My cooling solution is kinda crazy.
    I have access to the heatpipe assembly that the Powermac G5 uses to keep its bridge chip cool. It's small enough that with some careful flex work I can persuade it to fit inside the system and clamp the main copper pad to the top of the processor. It would be a LOT better than the current stock heatsink.
    I have access to processors of various speeds. This includes a 233 MMX Pentium Overdrive. I even have a nice 400mhz K6.
    = Excellent space heater

  6. #6
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    Very cool system! Did you get it in North Haverbrook?

  7. #7
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    It was part of that mondo computer lot.
    = Excellent space heater

  8. #8
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    Default


  9. #9
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    >_>

    Oh.
    = Excellent space heater

  10. #10
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    You're pretty lucky to have access to such a huge pile of machines to dig through. It's rare that I get the chance to do that, very rare..
    More commonly known as "Yushatak" - www.yushatak.com
    Focused on 486 and Pentium Machines
    I collect All-In-One PCs and Keyboard PCs, especially Compaq.

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