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Thread: 8800GT voltage mods

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  1. #1
    Xtreme Enthusiast Shocker003's Avatar
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    Quote Originally Posted by Renegade5399 View Post
    Farthest you can BIOS volt mod is 1.1v, no matter what you set it to.

    Please read all of this thread:

    http://www.xtremesystems.org/forums/...d.php?t=164242
    I will make a deal with you send me your bios and the equally write out the settings you want, just core speed, mem speed and what voltage you need. I will mod your bios with these new setting and i will asure you they will work like a charm.

    I modded a BFG 8800 GT 740mhz core, 1835 shader and 1000mhz mem at 1.3v and i donīt want to push it further becos. the card donīt belong to me(father inlaw).


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    Quote Originally Posted by Shocker003 View Post
    I will make a deal with you send me your bios and the equally write out the settings you want, just core speed, mem speed and what voltage you need. I will mod your bios with these new setting and i will asure you they will work like a charm.

    I modded a BFG 8800 GT 740mhz core, 1835 shader and 1000mhz mem at 1.3v and i donīt want to push it further becos. the card donīt belong to me(father inlaw).
    Did you measure the voltage with a DMM ? Could we know how you do that ?

    Maybe you can put the explanation in the 8800 GT bios mod thread as it would be more its place : http://www.xtremesystems.org/forums/...61#post2807561

    I would be interested to know how you did since some people already tried without success ... even mavke, the developer of nibitor.
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    Quote Originally Posted by Shocker003 View Post
    I will make a deal with you send me your bios and the equally write out the settings you want, just core speed, mem speed and what voltage you need. I will mod your bios with these new setting and i will asure you they will work like a charm.

    I modded a BFG 8800 GT 740mhz core, 1835 shader and 1000mhz mem at 1.3v and i donīt want to push it further becos. the card donīt belong to me(father inlaw).
    I and several others have tried this. All your doing is changing the VID label. You are not changing the actual VID. VID03 = 1.1v no matter what you change the label to.

    740/1835/1000 is a typical OC w/ the 1.1v BIOS mod.

    There is no VID04 or higher as this would be the only way to go higher. I have even tried modifying the BIOS to add in VID04, VID05, etc. There is room in the code to add these values, but the problem still exists b/c the chip doesn't recognize anything above VID03.
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    Xtreme Enthusiast Shocker003's Avatar
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    Quote Originally Posted by jason4207 View Post
    I and several others have tried this. All your doing is changing the VID label. You are not changing the actual VID. VID03 = 1.1v no matter what you change the label to.

    740/1835/1000 is a typical OC w/ the 1.1v BIOS mod.

    There is no VID04 or higher as this would be the only way to go higher. I have even tried modifying the BIOS to add in VID04, VID05, etc. There is room in the code to add these values, but the problem still exists b/c the chip doesn't recognize anything above VID03.
    Well i didn´t check the volts with any voltimeter, but here is a screen shot of what i did with the bios and like i said eariler this card is not mine. I could have tested more with it if i had the chance.

    Meanwhile i can increase the core to 850mhz but it´s pointless, like i said eariler i don´t own a 8800GT
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    Last edited by Shocker003; 03-01-2008 at 12:25 PM.


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    Quote Originally Posted by Shocker003 View Post
    Well i didnīt check the volts with any voltimeter, but here is a screen shot of what i did with the bios and like i said eariler this card is not mine. I could have tested more with it if i had the chance.

    Meanwhile i can increase the core to 850mhz but itīs pointless, like i said eariler i donīt own a 8800GT
    Let's see a ss of 850 running please.
    ES Q9550 E0 @ 4.0GHz (471x8.5) 1.256v
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    eVGA GTX 280 @ 702c/1404s/1260m (1.175v)

    Auzentech XPlosion DTS-Interactive Vantage 'X'-6,727
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