[tuto] Flash Bios XOC on gtx 1080 ti + tuto OC - English version


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Before starting, make sure your card feature a dual bios and she is compatible with this XOC bios.

! Warning ! There is some risk about flashing an other bios on a GPU, no need to specify that the autor of this tuto or overclocking.com will not be take in responsibles in case of bad manipulation.

Source of this bios and tuto and nvflash:
How To Flash A Different BIOS On Your 1080 Ti. - Overclock.net - An Overclocking Community

list of graphic card supported by this bios:
-Modèles founder edition
-EVGA gtx 1080 ti FTW3
-ASUS gtx 1080 ti strix
-Aorus gtx 1080 ti extrem WB

Link to the bios:

Link to DDU:
Display Driver Uninstaller Download version

Benefits of this bios:

1-No TDP power limit (∞ instead of 358w on FTW3)
2-No voltage limit, pushing limit from 1,093v to 1,2v

1-Loosing of a displayport connexion on some card
2-No tdp monitoring and loosing of some temperature monitoring( No ICX monitoring on GPU-Z but already work on Precision XOC et X1)
3-Black screen on google chrome(Can be solved by replace the shortcut target with "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" -disable-gpu")

Flashing the bios:

To start, extract the bios and nvflash from the archive on your desktop.

Open CMD in admin.

In CMD, target the bios folder with this command:
cd C:\Users\XXX\Desktop\S1080TIXOC

Then turn off the bios protection of card to be flashed:
nvflash --protectoff

Then save the actual bios of the card:
nvflash --save nomdubios.rom

Then , it only remains to flash the XOC bios with this command, accept all step with "y":
nvflash -6 S1080TIXOC.rom

After flashing the bios, you must restart. The "start" menu should not working after this step, do a right clic on it to restart.

After restart you must do:
Clean drivers with DDU then reinstall it.

Its finally done, An other brand card with an Asus XOC bios !
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Overclocking with MSI afterburner:

To overclock your GPU with this XOC bios, Voltage/Frequency curve must be used.
Without voltage/tdp limitation the card will reach the highest frequency and tension point of the curve (2000Mhz at 1,2v for the stock curve).

Open MSI afterburner and open the the window of voltage/frequency curve.


Then we have that :


To apply a frequency at a target voltage, select a voltage point on the curve then increase the frequency offset:

After setting the offset, validate with :


After applying the offset, the curve should be auto-adjusted to a predefined frequency, you must reset it at +-13Mhz:

There is it, you must find your best frequency/voltage combo for your graphic card.

To change the targeted frequency/voltage point you must reset the curve with:

The repeat the step to the limit of your card.
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Comparative before/after:

Results with stock bios:

With Furmark, the frequency reach 1974Mhz with an offset of 100Mhz, here the card is tdp limited.

With Superposition, the card is voltage limited: 2065Mhz under 1.093v

Results with XOC bios:

With Furmark, The is no more tdp limit: 2113Mhz under 1.163v

With Superposition : 2114Mhz under 1.150v
Dernière édition:

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