Replacing electrolytic caps by solid caps on old motherboards

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  • madscientist750
    New Member
    • Aug 2023
    • 4
    • ar

    #1

    Replacing electrolytic caps by solid caps on old motherboards

    I do have several old pc motherboards which i recapped 10 year ago and some of those caps are bulged now.
    I would like to upgrade them using solid capacitors. I do use them for testing and helping some alternative operating systems.
    I would like to ask if such an upgrade can be done, what should i have in mind when replacing electrolytic by solid caps and if such thing exist, if there are caps list for old motherboards. I would have to figure out what caps needs each motherboard and then prepare a list to try to ask for them on some electronics stores.
  • stj
    Great Sage 齊天大聖
    • Dec 2009
    • 31246
    • Albion

    #2
    the oldest motherboard i used polymers on was an amd K6-2.
    try to match the voltage and uf and diameter.
    if you cant find what you need wide enough then increasing the voltage rating is fine.
    a lot of old boards use 10mm caps and the placements may be 8mm unless you go up in voltage.
    DONT use polymers in the audio circuits - only for power smoothing.

    maybe post a new thread for each board with the details.

    Comment

    • madscientist750
      New Member
      • Aug 2023
      • 4
      • ar

      #3
      I do believe this forum had capacitor lists for motherboards, should they still exist, how could i look for them?

      Comment

      • stj
        Great Sage 齊天大聖
        • Dec 2009
        • 31246
        • Albion

        #4
        no idea.
        if you have the board then just make a list - then you will know it's correct anyway.

        Comment

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