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Thread: Gigabyte HD3870 MOd Unlocked | 900/2100Mhz AiR cooled

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  1. #1
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    Quote Originally Posted by Clint View Post
    Exellent news!

    Can you please help out and scribble down the name and spec's of a couple components on your card for me?
    I intend to replace those components that are different on my Gigabyte 3850 from your 3870 (not mems ofcourse).

    I have marked out those components on attached picture:


    Thanks!
    It wont change much, first of all this fix should not work for u as u have hynix memory, and for last the voltage is changed by a SMD resistor in the back of the card, not by capacitors... but u can get a small increment maybe.

    After work I will check it
    990FXA-UD3 | FX8350@4.7Ghz | Asus HD7870 | 2x 4GB Crucial Ballistix Tracer 2050Mhz 8-8-8-22 | AX850W |SSD Vertex3 Max IOPS 120GB | Auzentech Forte + TAPCO-S5

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  2. #2
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    Quote Originally Posted by Barr3l Rid3r View Post
    It wont change much, first of all this fix should not work for u as u have hynix memory, and for last the voltage is changed by a SMD resistor in the back of the card, not by capacitors... but u can get a small increment maybe.

    After work I will check it
    I'm aware of the Hynix memory, and the SMD is probably the same on both cards.
    Voltage command is given from bios btw, and that can be modded.
    The bigger capacitor will allow for more power delivered, and I prefer to go with the design Gigabyte has decided.

    Anyway, I'm grateful if you could just open the side panel and scribble down those values for me...it would really be helpful
    Last edited by Clint; 02-12-2008 at 10:07 AM.
    GA-H55N-USB3
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  3. #3
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    Quote Originally Posted by Clint View Post
    I'm aware of the Hynix memory, and the SMD is probably the same on both cards.
    Voltage command is given from bios btw, and that can be modded.
    The bigger capacitor will allow for more power delivered, and I prefer to go with the design Gigabyte has decided.

    Anyway, I'm grateful if you could just open the side panel and scribble down those values for me...it would really be helpful

    how much MHz could u reach already?

    Your card has a locked bios, and for a while there is no way to pass 860Mhz wall, since ther is no unlocked bios for hynix 1.4ns yet... but if your best attempt is way lower then 860Mhz then u can get some extra performance increasing voltage in your original bios using the editor...

    I'm telling that cause I coudn't get any extra Mhz increasing VGPU from 1.3V to 1.38V using original bios cause my limiting factor was the locked bios, I could reach 860Mhz before.
    990FXA-UD3 | FX8350@4.7Ghz | Asus HD7870 | 2x 4GB Crucial Ballistix Tracer 2050Mhz 8-8-8-22 | AX850W |SSD Vertex3 Max IOPS 120GB | Auzentech Forte + TAPCO-S5

    EK Supreme Full-Gold | XSPC RX240 + EX120 | MCP35x | 3x Koolance Blue Led @PWM | Tygon Black 1/2 | Bitspower Compression | @ FM CM690 I

  4. #4
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    As of today I've reached 780MHz on the GPU unmodded.
    I will do a combination of both my own bios and a hardmod.

    Now, could you please look at those values for me, they are written on the capacitors that are marked with red squares in the picture I posted.
    GA-H55N-USB3
    i3-550 L008B555 @4.6GHz (1.36v)
    Sapphire HD 5850 @1GHz/1.3GHz (1.25v)
    GSkill ECO 4GB PC3-12800 @1.33GHz 6-6-6-20 1T (1.34v)


  5. #5
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    Quote Originally Posted by Clint View Post
    As of today I've reached 780MHz on the GPU unmodded.
    I will do a combination of both my own bios and a hardmod.

    Now, could you please look at those values for me, they are written on the capacitors that are marked with red squares in the picture I posted.
    @ Barr3l Rid3r

    Any success on opening the sidepanel and scribble down the values for me?
    Should not be to much work involved in that
    GA-H55N-USB3
    i3-550 L008B555 @4.6GHz (1.36v)
    Sapphire HD 5850 @1GHz/1.3GHz (1.25v)
    GSkill ECO 4GB PC3-12800 @1.33GHz 6-6-6-20 1T (1.34v)


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