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zenith z-star cpu upgrade

Discussion in 'Electronic Repair' started by [email protected], Sep 15, 2007.

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  1. Guest

    hi all, I have an old notebook and i want to upgrade cpu. I find a
    ciryx gp100 100mhz socket3 cpu. this cpu need 3,45 volt but the old
    cpu uses 5 volt. I don't know where(if there are any) the jumper to
    select voltage is on the mainboard. I don't know the type of mb and
    the mainboard code for looking on the net for more info. any
    suggestions? thanks in advance for your replies. Bye
  2. Meat Plow

    Meat Plow Guest

    Look for a web blog or discussion group that focuses upon old laptops like
  3. msg

    msg Guest

    If your laptop has a genuine 'socket 3', you could use an interposer
    from a variety of companies such as Evergreen, Powerleap, etc. I have
    a number of small 486 machines upgraded to Pentium (up to 166 MHz)
    using interposers and AMD or Cyrix cpus. The interposer has active
    circuitry to provide cpu voltages and glue logic. Make sure your
    laptop has sufficient clearance to accommodate the height of an
    interposer -> cpu -> heatsink(fan, cooling pipe, etc.).


  4. James Sweet

    James Sweet Guest

    Why even bother? Unless you have the CPU laying around, it's hardly worth
    the effort. You can get a far more capable laptop for relatively little
    money these days.
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