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Why can’t i run my xp 2800 at the correct speed???? Help!!!!

Discussion in 'AMD Thunderbird' started by edrafp, Jun 14, 2005.

  1. edrafp

    edrafp Guest

    I have a non Barton Xp2800, running on a AsRock K7V88 MoBo, with 1024
    MB Samsung Pc3200 ram, GeForce 4200ti 8x AGP graphics card.

    My computer refuses to run at is correct speed of 2250 mhz (13.5 x
    166) and crashes as soon as windows starts to boot up. The highest i
    can run it at stabily at is (13.5 x 150). My first thoughts were that
    heat was preventing it running but i have installed a Copper Lite
    heatsink and fan from Arctic Cooling which supports up to Xp3200, so i
    thought it would cope great with a Xp2800. I have 2 case fans, one
    extracting and one circulating the air. The case temp is about 24-27
    degrees. The CPU monitor in the Bios shows about 40 degrees idle.

    Any suggestions??????
    edrafp, Jun 14, 2005
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  2. edrafp

    Wes Newell Guest

    Did you increase vcore a little? Try 1.70v. Is this really a 2800+ XP
    Tbred? Don't use Windows to test it. Get a memtest boot diskette or cd. Is
    the ram running a default timings or did you change them? that new cooler
    is only marginally better than the original, and it may not cool enough
    under load with a raised vcore. If you can exchange it, go for a TR2-M1 or
    -M3. I assume you have at least a 300W PSU.
    Wes Newell, Jun 14, 2005
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  3. edrafp

    Lee Guest

    did you check to see you have the lastest bios revison? I think its 1013 for
    your board. but you can double check... at http://support.asus.com

    Lee, Jun 15, 2005
  4. edrafp

    uddarts Guest

    is this a brand new build? what does the vcore, 3.3, 5 & 12v rails
    read in the bios?

    is your 2800 the 1.65 or the low voltage 1.5 version?

    have you tried setting the memory to spd?

    uddarts, Jun 15, 2005
  5. edrafp

    edrafp Guest

    I have tried raising the Vcore 5% and my power supply is 500W, so
    should be no problem at all. I have not tinkered with anything else
    in the Bios as although i am capable of putting a system together, my
    knowledge is not that great. I would flash the Bios and put the
    latest version on, but chances are i’d screw that up and waste my
    edrafp, Jun 15, 2005
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