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Thread: Only 750MHz

  1. #1
    Senior Member Graham's Avatar
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    Only 750MHz

    I have been trying to get my 1G athlon to run at 1G, but whatever I do I can only get it to go at 750M.
    I have set the bois to both normal (7.5 x 10, 100 FSB), and user define (same settings), but it always comes up at 750MHz.

    Abit KT7A
    256 M pc133

    Is it possible that the Arctic Silver is shorting some contacts, though I did clean it well after changing HS's.

    Any ideas?

    G
    Nothing moves faster than goalposts


  2. #2
    Ultimate Member SPEEDO's Avatar
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    If this CPU is 266 MHz. you should set the bus speed to 133.

    Set the CPU FSB/PCI Clock to 133/33.

    the multiplier will still be 7.5

    SPEEDO
    Last edited by SPEEDO; 10-10-2001 at 12:20 PM.

  3. #3
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    Hey,

    I had the same problem with that motherboard. The first thing (obviously) is to check is the BUS speed.

    I went through two of those boards with the same problem (finally I sent it back and bought a different board). Perhaps you got one from the same batch... Just out of curiousity, who did you buy the board from?

  4. #4
    Senior Member Graham's Avatar
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    Speedo,
    No its a 133 FSB version.

    G
    Nothing moves faster than goalposts


  5. #5
    Ultimate Member SPEEDO's Avatar
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    Did you try the settings?

    SPEEDO

  6. #6
    Ultimate Member Imperion1's Avatar
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    Set the FSB on the board for 133.
    You said that you've tried 7.5 x 10, 100 FSB, this will give you 750.

    10 x 100 FSB = 1000 or 1G
    7.5 x 133 FSB = 997.5 or 1G

    7.5 x 100 FSB = 750

    Try as Speedo has suggested.

  7. #7
    Senior Member Graham's Avatar
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    Sorry guys I made a typo., I should have said, it always boots to 750MHz wether the bios is set to user @100MHz x 10 or set to the default bios 1G ,again 100 x 10.

    I just tried it at 100 x 8 and it still goes to 750MHz, and if I set the multiplier to below 7.5 then it wont boot at all !!!!

    Its getting stupid, or I am.

    G
    Nothing moves faster than goalposts


  8. #8
    Ultimate Member SPEEDO's Avatar
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    I hope it's not me!

    SPEEDO

  9. #9
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    Athlons are multiplier locked. It doesn't matter what you set it to, it'll be 7.5. You have to change the bus speed to change speeds.
    Last edited by Mal; 10-10-2001 at 07:04 PM.

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