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ATX + 12 volt connector

Discussion in 'Hardware' started by techno_lust, Apr 17, 2005.

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  1. techno_lust

    techno_lust Thread Starter

    Mar 21, 2005
    Having arrived on the user-build scene only recently I am not up on past power supply standards. I see that most of the new motherboards require the extra + 12 volt power connector and I am wondering why.

    What changed and about when did this change first occur?
  2. crjdriver

    crjdriver Moderator

    Jan 2, 2001
    The extra 12V connector is used to supply the additional power needed for modern processors. It started with the P4s, however many Athlon boards use it also.

    Some newer AMD64 and Prescott processor boards use the 24 pin atx connector instead of the 20 pin connector. Again this is to supply extra power.
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