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Thread: Gigabyte P35-S3G Underclocks CPU




  1. #1
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    Default Gigabyte P35-S3G Underclocks CPU

    Hi, I am new to the forums and after extensive google searching this seemed the only place that offered any insight into my issue but it still persists so I am hoping you guys can help. Ok so here is my issue I upgraded yesterday from a Radeon 3870 to a Radeon 5870 and as soon as I did this my motherboard started underclocking my E7200 from its overclocked 3.1ghz to an underclock of 1.73ghz. It's stock is 2.53ghz. I have tried doing a full CMOS reset as well as flashing the bios to version F3 and F4 with no luck. The only time it has worked at all was when I did the CMOS reset it worked once at the stock speed until I reset the system. I have noticed it doesn't reset everything, it just resets the multiplier back down to 6 and switches the FSB to auto. I know many might think this is a powersupply issue but, one I don't have the money to switch it out and two It's odd that it ran just fine on stock until I reset the computer(I tested it out with crysis and Company of Heroes). It really seems to be some kind of bios glitch. This is really killing my system performance with it doing this. Also here is my system setup:

    Gigabyte P35-S3G
    Intel Core Duo E7200
    Rosewill 550W PSU
    Kingston HyperX 4GB(2X2GB) DDR 2 1066MHZ(have kept it at 800... the mobo doesn't seem to like the higher clock speed).


    Thanks everyone for the help and sorry my post is a bit erratic I've been looking for the past 4 hours on how to fix this thing.
    Last edited by Dusty23007; 01-08-2010 at 09:00 PM. Reason: Forgot to say thanks

  2. #2
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    Can anyone help me with this plz!!?

  3. #3
    Chike is offline Senior Member
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    Does it still persists if you install the old Radeon 3870?

  4. #4
    Reggie is offline Junior Member
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    You need BIOS F3 or greater to run the Intel Core Duo E7200, which does support Enhanced Intel Speedstep® Technology.


    BIOS:
    CPU EIST Function
    Enables or disables Enhanced Intel SpeedStep Technology (EIST). Depending on CPU loading, Intel® EIST technology can dynamically and effectively lower the CPU voltage and core frequency to decrease average power consumption and heat production. (Default: Enabled)

    Under Control Panel – open Power Options
    To turn Enhanced Intel SpeedStep Technology OFF select, “Always On,” power scheme.

  5. #5
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    I havn't tried putting back in the 3870 but I imagine it would work fine since that is the only thing I changed. I have the F4 bios on my computer though and that hasn't fixed anything. its not that the multplier is not changing when it is idle... I know that it decreases its speed when not under load. The problem is its not going above a clock 1.73ghz in the bios or when in games.

  6. #6
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    Quote Originally Posted by Dusty23007 View Post
    I havn't tried putting back in the 3870 but I imagine it would work fine since that is the only thing I changed. I have the F4 bios on my computer though and that hasn't fixed anything. its not that the multplier is not changing when it is idle... I know that it decreases its speed when not under load. The problem is its not going above a clock 1.73ghz in the bios or when in games.
    what make of card is it ? sapphire?? ect,howmany pci-e slots do u have?u tried in the other slot?
    Gigabyte z77x UP4-TH F11c Modded Bios
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  7. #7
    Chike is offline Senior Member
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    Quote Originally Posted by Dusty23007 View Post
    I havn't tried putting back in the 3870 but I imagine it would work fine since that is the only thing I changed.
    Some faults exceeds imagination.

    There's a newer F5 BIOS, though the only change listed support for Xpress BIOS Rescue, it is something to look at.

  8. #8
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    Thanks all for the replies :). Ok both of my cards are sapphire and I only have 1 PCI express slot. I think i did just figure somethign out though. When I disable CPU Thermal Saftey it will only declock it back to the factory setting when I try to overclock it which would mean it just not taking the overclock. It does however worry me that I have to disable that saftey feature to do that. My CPU temps seem just fine though. Any ideas on how to get it back to my 3.1ghz? I currently have the FSB to 333 and the voltage up to 1.32, I don't think I would want to go any higher than that.

    Thanks again!

  9. #9
    Chike is offline Senior Member
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    Quote Originally Posted by Dusty23007 View Post
    When I disable CPU Thermal Saftey it will only declock it back to the factory setting when I try to overclock it which would mean it just not taking the overclock. It does however worry me that I have to disable that saftey feature to do that.
    CPU Thermal Monitor 2? Probably the last thing you ever want to disable.

  10. #10
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    Default Re: Gigabyte P35-S3G Underclocks CPU

    Unfortunately yes thats what it was. I don't what conclusion to draw from that then. Why would my cpu suddenly start acting this way with a new graphics card in it.

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