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Thread: Gigabyte P55M-UD4 Multiplier

  1. #1
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    Gigabyte P55M-UD4 Multiplier

    Hi all

    I have an P55M-UD4 with an i5 750. While other boards seem to work, this one does not let me select a 21x multiplier. Surely the CPU supports this and it should work. I have the F10 bios running (flashed from the F3 it came with!). Does anyone have this specific board running with a 21x multi (not turbo...)? If so how did you manage it?

    If I had known about this limitation I might have picked a diff mobo though I am fairly happy with my current o/c .

    Thank you!

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    Senior Member watercooled's Avatar
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    Re: Gigabyte P55M-UD4 Multiplier

    Doesn't the 750 have a locked multiplier?

    Edit: Oh I've just remembered reading something about increasing the multipliers on chips with Turbo Boost, sorry about that.
    Last edited by watercooled; 30-07-2010 at 12:48 AM.

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    Re: Gigabyte P55M-UD4 Multiplier

    Yes it does. For some reason I thought it had a 21x multi when in fact it looks like a 20x multiplier. Should have waited for the i5 760 Not to worry

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    Re: Gigabyte P55M-UD4 Multiplier

    Whats the highest setting it allows you to choose, both with Turbo on and off.
    Kalniel: "Nice review Tarinder - would it be possible to get a picture of the case when the components are installed (with the side off obviously)?"
    CAT-THE-FIFTH: "The Antec 300 is a case which has an understated and clean appearance which many people like. Not everyone is into e-peen looking computers which look like a cross between the imagination of a hyperactive 10 year old and a Frog."
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    for all intents it seems to be the same card minus some gays name on it and a shielded cover ? with OEM added to it - GoNz0.

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    Senior Member watercooled's Avatar
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    Re: Gigabyte P55M-UD4 Multiplier

    I think some boards do let you force a 21x multiplier because of Turbo Boost, probably not a common feature though.

    I've just found this article after a bit of Googling, have a look at the bit about Turbo Boost: http://www.bit-tech.net/hardware/cpu...-core-i5-750/1

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    Re: Gigabyte P55M-UD4 Multiplier

    Looks like they'll be no x21 multi for you, bad Gigabyte
    Kalniel: "Nice review Tarinder - would it be possible to get a picture of the case when the components are installed (with the side off obviously)?"
    CAT-THE-FIFTH: "The Antec 300 is a case which has an understated and clean appearance which many people like. Not everyone is into e-peen looking computers which look like a cross between the imagination of a hyperactive 10 year old and a Frog."
    TKPeters: "Off to AVForum better Deal - £20+Vat for Free Shipping @ Scan"
    for all intents it seems to be the same card minus some gays name on it and a shielded cover ? with OEM added to it - GoNz0.

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    Re: Gigabyte P55M-UD4 Multiplier

    The highest setting is 21x, but when I save and restart it always goes to 20x. Ah well. Does anyone have a P55 board with i5 750 that does go to 21x?

    Edit: Seems like the MSIs do go to 21x. Here's hoping Gigabyte figure it out in a later BIOS...

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    Re: Gigabyte P55M-UD4 Multiplier

    I have the GD-65 (MSI) and can set the x22 by default. If you've had the board less than 7 days send it back to your supplier and ask to swap for an MSI one ?
    Kalniel: "Nice review Tarinder - would it be possible to get a picture of the case when the components are installed (with the side off obviously)?"
    CAT-THE-FIFTH: "The Antec 300 is a case which has an understated and clean appearance which many people like. Not everyone is into e-peen looking computers which look like a cross between the imagination of a hyperactive 10 year old and a Frog."
    TKPeters: "Off to AVForum better Deal - £20+Vat for Free Shipping @ Scan"
    for all intents it seems to be the same card minus some gays name on it and a shielded cover ? with OEM added to it - GoNz0.

  11. #9
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    Re: Gigabyte P55M-UD4 Multiplier

    It's been ten days unfortunately. I don't know why Bit-tech recommend these motherboards for the enthusiast overclocker if they can't do multipliers above 20 Doesn't make sense!

    I'll just have to try more bclk or something. Might work...

  12. #10
    Headless Chicken Terbinator's Avatar
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    Re: Gigabyte P55M-UD4 Multiplier

    Just because you can't have a higher multiplier doesn't mean it can't overclock well - IIRC the UD2 was one of Anands recommended boards when P55 was launched.
    Also, first and foremost the reason you don't have a x21 multiplier is because you bought the 750, not the 860.
    Kalniel: "Nice review Tarinder - would it be possible to get a picture of the case when the components are installed (with the side off obviously)?"
    CAT-THE-FIFTH: "The Antec 300 is a case which has an understated and clean appearance which many people like. Not everyone is into e-peen looking computers which look like a cross between the imagination of a hyperactive 10 year old and a Frog."
    TKPeters: "Off to AVForum better Deal - £20+Vat for Free Shipping @ Scan"
    for all intents it seems to be the same card minus some gays name on it and a shielded cover ? with OEM added to it - GoNz0.

  13. #11
    Senior Member watercooled's Avatar
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    Re: Gigabyte P55M-UD4 Multiplier

    With a decent overclocking motherboard you'll likely hit the OC wall for the CPU way before needing to up the multiplier anyway.

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