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Thread: 2.80 Mhz CPU at 2.32

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    2.80 Mhz CPU at 2.32

    My brandnew shuttle XPC ST62K equipped with a 2800mhz 1gb L2 cache, 800 mhz FSB has problems to accept it as a 14 x 200 mhz = 2.8GHz speed cpu.
    If the bios is set to auto it will acctept it as such the first time it boots, but the second time it is reset to 166 x 14 = 2,32 GHz.
    If it is manually set to FSB 200 then it will see it as 14 x200 = 2.80, but again, only at 1st boot.
    The cpu is correctly described as a 2,8 mhz (also in Sisoft Sandra) but sometimes running @2.32 other occasions @ 2,80 GHz.

    The bios is dated feb 27th and there has been no revision since.

    Shuttle blames Intel, Intel blames Shuttle as usual....

    Has anyone experienced similar trouble or knows a solution?

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    Try and get a bios update for it. That might help.

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    try to read the question zap hod ... quote: The bios is dated feb 27th and there has been no revision since.
    thx4theffort

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    Oh sh*t really sorry.... It was early in the evening to so I can't even blame being tired!!

    Thats really annoying the whole Shuttle blame intel - Intel blame shuttle, it's typical.

    It's really strange problem. Have you tried Flashing the cmos, reseting all bios settings and starting again. Apart from that I can't think of much more...sorry!

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    Quote Originally Posted by rods11
    My brandnew shuttle XPC ST62K equipped with a 2800mhz 1gb L2 cache, 800 mhz FSB has problems to accept it as a 14 x 200 mhz = 2.8GHz speed cpu.
    Are you sure you bought an Intel Pentium 4 2.8a/b/c?

    Clarify what you mean by:
    It won't accept it at 14 x 200

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    Quote Originally Posted by r1zeek
    Are you sure you bought an Intel Pentium 4 2.8a/b/c?

    the cpu specs are confirmed by Intel

    Clarify what you mean by:
    after resetting the bios it runs at 2.80 at 1st boot

    after a 2d boot it goes back to 2,32

  7. #7
    HEXUS.timelord. Zak33's Avatar
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    • Zak33's system
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    unusual....so it recognises it first time out...and then loses the plot

    Quote Originally Posted by Advice Trinity by Knoxville
    "The second you aren't paying attention to the tool you're using, it will take your fingers from you. It does not know sympathy." |
    "If you don't gaffer it, it will gaffer you" | "Belt and braces"

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    HEXUS.social member Allen's Avatar
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    • Allen's system
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    I don't know Shuttles, but is there a jumper on the mobo to select default FSB?

    Tried replacing the CMOS battery?

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    Very unusual.

    If you can change the multiplier then you could always use an FSB of 133 and multi of 21 (thats what my P4 uses)

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    No, only in the bios

  11. #11
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    It sounds like the cmos battery is dodgy since the settings are changing when you switch off. Try changing a setting you wouldn't normally change and then switch off. See if this setting changes back to what it was.

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    FSB problem solved > Change ICE fan plug from FAN1 to FAN3

    The problem was solved.

    For more info search 'st62k' on http://forums.sudhian.com/

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