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dual processor motherboard

Discussion in 'Hardware' started by skimac82, Mar 4, 2004.

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  1. skimac82

    skimac82 Thread Starter

    Oct 2, 2003
    I just bought a dual processor mother board but when i went to plug the power in to it both power plugs into the motherboard from the power supply are 4 prongs short. Is there an adapter for this or what should I do?
  2. Rockn


    Jul 29, 2001
    What have you upgraded to CPU and motherboard wise?? You should get at least a 500W PSU for a dualie.
  3. hammerbill


    Feb 26, 2003
    Your post is hard to answer due to lack of details. Is this a new motherboard hosting a newer, say 1 gig or above chip, or is it an older Pentium? I remember the old pentium HX chipset could support dual processors and some boards with that chipset actually still used AT power supplies with duals. Which leads me to wonder if you are trying to use an ATX power supply on an AT board.
    If the prongs actually do fit the board, there is probably nothing critically wrong with using that power supply. You may be missing some advanced power management feature, but it is unlikely that any shorting or bad polarization will occur. Some power supplies, like those recommended for the Pentium 4 processor, have extra things you may not need for another processor too.
    Be careful making a dual processor system. The first thing to know is that typical windows will not gain any benefit from the extra processor! You need windows NT, 2000 or XP (pro version only). The other versions will only recognize and use one cpu.
    Another error that is commonly made: According to the specification of Intel processor, not every CPU is allowed to support dual processors. For example, according to intel, the L2 cache of Pentium III Tualatin CPU has to be 512KB in order to support dual processors. You need to check the specifics of your intended processors, hopefully-before-you buy them.
  4. pronute


    Feb 12, 2003
    You need this eATX PSU

    Or this converter However I recommend the eATX PSU that are specifically made for Dual processors plus you'll need a OS that can take advantage of the dual processors such as NT4, W2K, or Windows XP.
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