Athlon XP-M Voltage
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  1. #1
    Join Date
    Jun 1999

    Athlon XP-M Voltage

    Originally I had a Barton 2.2Ghz CPU (3200+) rated 1.65cc

    I didn't like how warm it got (pushes 60c durring heavy load) so found a XP-M 2133Mhz. Rated for 1.55vcc

    Had to pin-mod to force 200/400 fsb since everything is unlocked and bios defaulted to minimum fsb and multi. Using RMCLOCK to modify Multiplier in windows.

    This all works fine.

    But, I'm getting 1.65 vcc and don't know if I can change it somehow.

    My goal is to incrementally lower voltage so I can keep my speed 2.2Ghz but run at lowest voltage.

    Currently I can go as High as 2.3 Ghz perfectly stable (and 2.5 as long as I don't stress it) but I really just want lower temps/power consumption so 2.2 max is all I really care about.

    I don't exactly know how voltage is provided.
    Motherboard does not respond to VID.

    L11 bridges on CPU seem to be calling for 1.55vcc
    I tried pin-moding down but the board acts as if 1.65 is already jumpered in place.

    See here:

    Look at the 1.650 vcore and the 1.675 vcore settings.
    I tried 1.675 to see how high I could go stable at first but the actual result was 1.850

    When you look at the 1.850 pin mod you can see that it is the sum of the 1.650 and 1.675 jumpers...but I only had the 1.6750 in place.
    Is the motherboard "pre-jumpered" ?

    using KM400 based motherboard.
    Last edited by Kane17; February 23rd, 2013 at 12:21 PM.

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