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Kepler Bios Tweaker 1.27 basics for those previous users who want to know what it means. - Page 51

post #501 of 537
Quote:
Originally Posted by mahanddeem View Post

Can someone help me please with this?

I'm trying to mod my MSI GTX680 Lightning vBIOS using Kepler Bios Tweaker 1.27

After extensive testing, I found out that my card capability in MSI Afterburner is as follows:
+61mV on core
+50mV on vram
Max power limit
+140 on core
+500 on vram

These settings ingame would effectively be:
Around 70%-75% power limit
1346mhz core
7000mhz vram
1.256v boost final voltage

These are rock solid settings in games like BF4 and GTA V and I'm happy with the performance.

My original vbios is the unlocked LN2 VBIOS that has stock all power limits to 600watt on 100%. So i did not tweak power table when modding the bios, it's quite enough for what I'm doing.

Now I'm doing everything in KBT 1.27 and doing voltage table as much as 1.26v in the boost clocks(I increased all the clock table voltages sliders above 1110 mhz to around 1.25v) then I flashed the bios but ingame and at 1346mhz it only reaches 1.205v and then crash to desktop.

Any help on that? And why msi AB ups the voltage to desired levels but tweaking the bios voltage does not?
I'm using last WHQL 361.75 on Win 10 pro 64bit
AB Hwbot Ed. Unlocks Afterburner for all lightning cards. No need for a bios edit.
    
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post #502 of 537
Quote:
Originally Posted by chris89 View Post

I didn't go all out it's never a good idea to do that straight away from 1202.0 wasn't far off from 1123.50 ... So here you go try it and you might now be able to push msi to 1333 or 1401 ... just try and see then we can write new bios but it's tricky if im not witnessing what it does its a witness trial and error so be very very patient and ready for many driver failures or issues until they are resolved...

I know exactly what I'm doing so it will never brick the card, I didn't touch idle or boot clocks or voltages so you will always be able to go into windows. Though windows tests max boost clock right prior to hitting the desktop so if it fails it'll go black and flash and driver crash after driver crash. Which may require boot to safe mode f8 upon boot to safe mode bypassing tests to flash back... It's trial and error...

Here I included easy double click flashers... one to modded, one back to stock ... Just double click either one... CMD opens ... press Y to flash.. restart TEST...

If you have issues again safe mode and double click on FLASH_BACK_TO_ORIGINAL .... CMD Opens... Press y to flash .. complete restart back to original ...

Let me know

MSI_760_2GB_TWEAK_WITH_NVFLASH_WINDOWS.zip 2682k .zip file

So I tried the modified bios today and it looks like my 760 is refusing to accept it. When I try to apply it my screen simply flashes, and nvflash says something that ends with "matching" but it closes before I can read it. When running benchmarks my voltage is still the same and I am not able to overclock any more than I was before. None of the text about "clearing original bios" or "storing bios" comes up when flashing the modded bios. This makes me think that it is seeing it as a mismatched bios and is refusing to apply it because of that. Sorry for taking so long.
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post #503 of 537
Quote:
Originally Posted by 11matt556 View Post

That is a pretty big assertion. Do you have any articles/sources about that?

Just look up the properties of capacitors and their job or duty in a computer power supply... Then take standard logic that as a capacitor heats up, it's increase resistance will be at the mercy of the temperature it is enduring during load. If a capacitor even once reaches or passes its own engineered temperature threshold, it will begin increasing resistance on whatever rail it's controlling typically the 12 volt rail. The first thing you notice is droop on the rails, meaning the difference between highest idle reading, to lowest load reading on the 12 volt rail. For instance you first get the psu and the 12 volt rails shows 12.096v at idle and a 400 watt load on a 1000 watt power supply pulls the 12.096 down to 12.056. Then 6 months later not only did the idle voltage reading drop to 12.034v and loading 400 watts at 11.98v. Again 36 months later with a 400 watt load on the 1000 watt power supply is reading idle at 11.93 volts and loading to 11.866v... Eventually the resistance will be so great the droop on the rail will exceed 11.500 volt load and eventually die.

To resolve the issue is forget noise deal with some fan noise from the psu fan so we maintain near original idle and load voltage for many many years and actually if regular fan bearing oiling maintenance, Forever. Though this must be done while the psu is in great shape, since the lack of airflow is what typically takes a psu's life. Oil fan bearing with good oil and wire the psu fan's Red wire to yellow wire on the psu, and black wire to black wire on the PSU which will supply 12 volts continuous.

Good luck
Edited by chris89 - 2/22/16 at 7:55pm
post #504 of 537
Quote:
Originally Posted by chris89 View Post

Just look up the properties of capacitors and their job or duty in a computer power supply... Then take standard logic that as a capacitor heats up, it's increase resistance will be at the mercy of the temperature it is enduring during load. If a capacitor even once reaches or passes its own engineered temperature threshold, it will begin increasing resistance on whatever rail it's controlling typically the 12 volt rail. The first thing you notice is droop on the rails, meaning the difference between highest idle reading, to lowest load reading on the 12 volt rail. For instance you first get the psu and the 12 volt rails shows 12.096v at idle and a 400 watt load on a 1000 watt power supply pulls the 12.096 down to 12.056. Then 6 months later not only did the idle voltage reading drop to 12.034v and loading 400 watts at 11.98v. Again 36 months later with a 400 watt load on the 1000 watt power supply is reading idle at 11.93 volts and loading to 11.866v... Eventually the resistance will be so great the droop on the rail will exceed 11.500 volt load and eventually die.

To resolve the issue is forget noise deal with some fan noise from the psu fan so we maintain near original idle and load voltage for many many years and actually if regular fan bearing oiling maintenance, Forever. Though this must be done while the psu is in great shape, since the lack of airflow is what typically takes a psu's life. Oil fan bearing with good oil and wire the psu fan's Red wire to yellow wire on the psu, and black wire to black wire on the PSU which will supply 12 volts continuous.

Good luck

Currently my 12v rail is at 11.99v when not under load, and drops to 11.67 when running Kombustor core burner (which uses the most power) and to about 11.72 when doing a more average gaming workload. Is that something to be concerned about? And even so, I doubt it is why the bios won't even load.

Also, on my end the time it says you edited your post is before the time you posted... so that's a bit strange.
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post #505 of 537
Quote:
Originally Posted by 11matt556 View Post

So I tried the modified bios today and it looks like my 760 is refusing to accept it. When I try to apply it my screen simply flashes, and nvflash says something that ends with "matching" but it closes before I can read it. When running benchmarks my voltage is still the same and I am not able to overclock any more than I was before. None of the text about "clearing original bios" or "storing bios" comes up when flashing the modded bios. This makes me think that it is seeing it as a mismatched bios and is refusing to apply it because of that. Sorry for taking so long.

Did u upload your bios file? do so and i'll throw together a completely stock yet potential testing overhead available for ya... That way you choose to see how far it'll go before making any hard changes...
Quote:
Originally Posted by 11matt556 View Post

Currently my 12v rail is at 11.99v when not under load, and drops to 11.67 when running Kombustor core burner (which uses the most power) and to about 11.72 when doing a more average gaming workload. Is that something to be concerned about? And even so, I doubt it is why the bios won't even load.

Also, on my end the time it says you edited your post is before the time you posted... so that's a bit strange.

Yesh that is something to be worried about... Psu is already on it's way out and when you are below 12v under load your actually getting less than peak performance from the card...

Maintain over 12v and even 12.050v load will give even more performance and fps... I witnessed this on a supplementary psu powering the gpu alone.. Actually the rail would idle higher than 13v... It was AMAZING
post #506 of 537
Quote:
Originally Posted by chris89 View Post

Did u upload your bios file? do so and i'll throw together a completely stock yet potential testing overhead available for ya... That way you choose to see how far it'll go before making any hard changes...
Yesh that is something to be worried about... Psu is already on it's way out and when you are below 12v under load your actually getting less than peak performance from the card...

Maintain over 12v and even 12.050v load will give even more performance and fps... I witnessed this on a supplementary psu powering the gpu alone.. Actually the rail would idle higher than 13v... It was AMAZING

I think I did. Here it is again though. If I could just get the voltage fully unlocked, or even just a little higher, that would go a long way.

GK104.zip 57k .zip file


The PSU won't be an issue for long though as I am working on a new computer. I'll still keep this one around, but it won't be doing much heavy lifting. Probably gonna throw my old ATI 2600XT in it and use that most of the time.
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post #507 of 537
Quote:
Originally Posted by 11matt556 View Post

I think I did. Here it is again though. If I could just get the voltage fully unlocked, or even just a little higher, that would go a long way.

GK104.zip 57k .zip file


The PSU won't be an issue for long though as I am working on a new computer. I'll still keep this one around, but it won't be doing much heavy lifting. Probably gonna throw my old ATI 2600XT in it and use that most of the time.

Click on flash to modded .. I added the -4 -5 -6 to allow it to work ..

GK104-UPDATEBIOS.zip 998k .zip file
post #508 of 537
Quote:
Originally Posted by chris89 View Post

Click on flash to modded .. I added the -4 -5 -6 to allow it to work ..

GK104-UPDATEBIOS.zip 998k .zip file

What does -4 -5 -6 do? When I run it it still does not apply the bios. I have attached an image of the output when I run it.

Could I just flash it using the command nvflash GK104UPDATE, or are the -4 -5 and -6 parameters important?

output.png 64k .png file
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post #509 of 537
Standard approach is ideal ... nvflash gk104update.rom ENTER

If you want leave your skype and setup Team Viewer I'm happy to help.
Quote:
Originally Posted by 11matt556 View Post

What does -4 -5 -6 do? When I run it it still does not apply the bios. I have attached an image of the output when I run it.

Could I just flash it using the command nvflash GK104UPDATE, or are the -4 -5 and -6 parameters important?

output.png 64k .png file

In the folder where nvflash is ... Hold .. SHIFT ... then right click... Open Command window here...

Standard approach is ideal ...type this is command windows ... nvflash gk104update.rom ENTER

If you want leave your skype and setup Team Viewer I'm happy to help.
post #510 of 537
Quote:
Originally Posted by chris89 View Post

Standard approach is ideal ... nvflash gk104update.rom ENTER

If you want leave your skype and setup Team Viewer I'm happy to help.
In the folder where nvflash is ... Hold .. SHIFT ... then right click... Open Command window here...

Standard approach is ideal ...type this is command windows ... nvflash gk104update.rom ENTER

If you want leave your skype and setup Team Viewer I'm happy to help.

I actually use teamviewer on a daily basis, so no setup needed. I'll PM you my Skype.
Edited by 11matt556 - 2/23/16 at 6:36pm
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