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Needed: Step-by-Step Instructions for the 8800GT 1.1v BIOS Mod

post #1 of 12
Thread Starter 
There are many threads, including one active now, that talk about it. Some ask for directions. But none of the directions are clear.

NiBiTor, I have 4.0, won't read the BIOS on a Vista x64 system. So...the question is how to do it. Step-by-step.

What tools to use.

How to read and save the old BIOS (can't do that with a CD).

What to modify...exactly.

How to load the new BIOS.

How to recover from an error.

There is some discussion of a PCI video card. What is a PCI video card? I have AGP ones...what is a PCI one?
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post #2 of 12
http://iax-tech.com/video/8800gt/8800gt01.htm

edit: oh sorry, you want a bios mod
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post #3 of 12
Thread Starter 
That is the hardware voltage mod. The 1.1v is a BIOS only voltage mod.
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post #4 of 12
Thread Starter 
I have downloaded the card's BIOS using nvflash, and compared it to other BIOS on the internet. All of the setting seem the same in all the BIOSes except the clock timings, version, and screen labels.

Now, how do you change the voltage to gain that extra .05v? Is it just applying the 1.1v to Extra? Do you go in the voltage editor and change 1.1v to 1.15v? To you change 1.1v to 1.15v and set Extra to 1.15v? Do you have to set things other than Extra? Do you have to change voltages other than 1.1v?

Help!

Thanks,

David
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post #5 of 12
Thread Starter 
Ok, the word I have is to set Extra to 1.1v. That the VIDs are just labels and changing their values doesn't change anything. If you have confirming or denying info...speak now...
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post #7 of 12
Thread Starter 
Now that says nothing about the 8800GT nor voltage settings.

However, it does appear that the voltage values are just labels and not affected by the BIOS. Setting Extra to VID03 by setting it to VID03's 1.1v label is supposed to be the fix. It didn't help my system, although i didn't put a voltmeter on it.
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post #8 of 12
It's not really too complicated.

Load the bios into nibitor, and just change the voltages?

Have a look at this great thread:

http://forums.techpowerup.com/showth...242#post528242
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post #9 of 12
Quote:
Originally Posted by DavidNJ View Post
Ok, the word I have is to set Extra to 1.1v. That the VIDs are just labels and changing their values doesn't change anything. If you have confirming or denying info...speak now...
If you click the "?" button on the VID page it'll tell you to use the "Exact Mode" subtab under voltages in NiBiTor to ensure a voltage change.
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post #10 of 12
I'm going to flash my 9600GT, and this thread has helped me a lot. Yet, I still have some questions. In Nibitor, it allows you to select your fan speeds. I like controlling them with Rivatuner. if I flash all the settings to 50%, will I still be able to control the speeds with Rivatuner?
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