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Adjusting correct cpu speed in BIOS...

Discussion in 'Hardware' started by Butcherboy, Sep 1, 2004.

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  1. Butcherboy

    Butcherboy Thread Starter

    Jul 15, 2004
    Im trying to install an amd 2400xp to a asus A7n8x Deluxe (2.0 rev.). When i boot up, it only recognzes xp 1800 and i get the message to adjust correct cpu speed in bios. I go to bios and there is not a cpu speed menu. I have done this before on my asus a7v333 when I updated from 1900xp to 2400 xp and the speed menu appeared so i can select 2.0 Ghz speed. But on this freshly mobo and all components pc, i dont get the cpu speed menu. I have also left intact the cpu fsb jumper.(its set to default 266/333/400). Any help will be apreaciated ;)
  2. Annorax


    Aug 11, 2003
    Usually a motherboard should have, either in BIOS, jumpers, or both, a way to adjust the CPU speed. Have you contacted the manufacturer about this?
  3. photolady


    May 5, 2004
    Do you not see a reference to "Frequency/Voltage Control" in the BIOS?
  4. crjdriver

    crjdriver Moderator

    Jan 2, 2001
    I do not have an asus board handy at the moment, however I think it is in the Freq and volts as posted above.

    Since you have an nforce board, go slowly in the bios. Do not be in a hurry to save changes and exit. I like to make one change at a time in those. The reason is that nforce boards are more prone to bios corruption than a via or intel board.
  5. Skivvywaver


    Mar 18, 2001
    The 2400+ multipliers are 15x and 133 external. Vcore is 1.65. No jumpers.
  6. Skivvywaver


    Mar 18, 2001

    OK I put your post up above so I can look at it. In advanced chipset options you will find auto and menu for cpu speed.
    You can either choose auto which will give you a 7x-15x multiplier, or go to menu and choose 15x.
    Then on external frequency you will need to choose 133.
    I'll check back later. I am running close to the same board and the multipliers will be the same.
    No jumpers to change to get your speed.
  7. Lil Chris

    Lil Chris

    Jan 28, 2003
    Hope I can help I am running Asus A7N8X Delux Rev 2 myself. There is a jumper to clear the cmos behind no 3 pic slot called clrtc1, postion 1/2 is normal put the jumper to 2/3 for a short while this will clear your cmos, when you reboot press del go straight into the bios you will find the board as defaulted to 100mhz in Advanced Chipset Features set the first item CPU External frequency 133/166 to the required speed Table below may give you a guide
    Check which proccessor you have and set the speed according to the chart below.

    opn number , Model , freq , Clock multi , Voltage, FSB freq

    AXDA2400DKV3C, 2400+, 2000, 15x , 1.65v , 333

    AXDC2400DKV3C, 2400+ , 2000, 15x , 1.65v , 266
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