BIOS.Strange fault

Discussion in 'CPU, Motherboards and Memory' started by gerrymarsh, Apr 9, 2005.

  1. gerrymarsh

    gerrymarsh Geek Trainee

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    Motherboard PC Chips PM 599LMR
    CPU Amd K6 2 500
    Bios set to Auto for cpu ie 100 Mhz X 5=500 Mhz
    On booy up screen,it states the frequency as 250Mhz,but until recently it showed sometimes 250 and sometimes 500.Now always 250.
    Have run AIDA 32 and this also shows it as 250Mhz
    I have no AV or Firewall on

    Does anyone have any idea whether I can correct this.
    Help welcome,on my first forum question.
     
    gerrymarsh, Apr 9, 2005
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  2. Big B

    Big B HWF Godfather

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    I'd try to manually set the FSB and multiplier accordingly.
     
    Big B, Apr 9, 2005
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  3. gerrymarsh

    gerrymarsh Geek Trainee

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    Hi and thanks.I had already tried that,but no joy.
     
    gerrymarsh, Apr 9, 2005
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  4. bobbyk

    bobbyk Big Geek

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    This may sound off-tangent, but try checking your CMOS Battery Voltage. I encountered a problem similar to this one before, and it turned out that it was only the battery. Manual setting had no effect also. When the battery was replaced, the CMOS started to report proper configurations again. Good luck.
     
    bobbyk, Apr 11, 2005
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  5. Dave35k

    Dave35k H4ck3r

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    id try reseting your bios so it reconfigures your processor settings and redetects the speed and fsb also try right clicking on 'my computer'and clicking on properties then look at what speed it registering at there if it says 500 i wud not worry about what it registers at it bios. hope this helps Dave :good:
     
    Dave35k, Apr 11, 2005
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  6. gerrymarsh

    gerrymarsh Geek Trainee

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    Hi and thanks.
    Did as you suggest but still have the problem.
    I may have to throw in the towel on this one
    Gerry
     
    gerrymarsh, Apr 12, 2005
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  7. gerrymarsh

    gerrymarsh Geek Trainee

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    Hi
    Have fitted a brand new battery but still have the problem.
    Im beginning the think it might(repeat might) have something to do with the memory,any ideas
     
    gerrymarsh, Apr 12, 2005
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  8. bobbyk

    bobbyk Big Geek

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    Try checking your Vcore voltage gerrymash. I don't think its the memory, really. Try upping your Vcore a bit and see if that "wakes-up" you CPU.
     
    bobbyk, Apr 13, 2005
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  9. gerrymarsh

    gerrymarsh Geek Trainee

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    Hi Bobbyk
    have tried upping voltage from 2.2 to 2.4 but no luck.
    Not sure how far I ought to go on the increase before damage

    I believe I ought to update the bios,never done it before,but probably not much to lose.
    Gerry
     
    gerrymarsh, Apr 14, 2005
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  10. bobbyk

    bobbyk Big Geek

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    Go for it dude. As you said, ain't much to lose anyway. It's really strange.. As if your 100 Mhz clock is running at only 50 Mhz.. Any jumpers you can fool around with regarding the bus frequency? Try the 66 Mhz setting ....
     
    bobbyk, Apr 15, 2005
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  11. gerrymarsh

    gerrymarsh Geek Trainee

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    Hi.
    Have really messed things up.I removed the bios chip just to see it might be a case of it not seating firmly,and broke off a pin.
    End of story.

    Many thanks for your help,I really appreciate it.
    Thanks
    Gerry
     
    gerrymarsh, Apr 17, 2005
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