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GTX 600 Series Unlocked Voltage Bios' downloads and tools. - Page 730

post #7291 of 7931
Quote:
Originally Posted by maxufeiss View Post

But never forget that there are more power limits than just the total power limit. At least 3 more on 670, 680, 760, 770 etc and 2 on smaller ones (for me it makes pci-e, 6-pin, 8pin limit). I had major headache with my card being power limited while i was getting nowhere near my total power limit. I was hitting PCI-E power limit. Depends how card is made etc...

My story and conclusion here: Warning: Spoiler! (Click to show)
So i soldered 3 multimeters to power sensors and while i was already guessing it right, i confirmed that my card was throttling because it was hitting only one of them, that being pci-e power limit which is usually set at 66W. Basically all important stuff gets it's power from there (card, memory, fan, and some of gpu power) and because i have 4G memory it draws even more from there, so with even original bios i get to that 66W limit kicking in, and is it only my cards design flaw (for overclocking) or not, if it's getting to that one limit it lowers all power crossing 6 gpu pwm-s (1 for pci-e, 2 for 6-pin and 3 for 8-pin power lines) not only first one that actually draws power from there... Stupid load balancing @ work. So it magnified the effect to the point where even setting higher fan speed would mean automatic downclock, or raising memory speed did the same. Setting that power to 60W was like choking my card especially when turning up fan and memory. Never nearing max total power.

So basically near limits setting 1W higher pci-e power meant that card could draw at least 1+5W more than before for GPU. I needed to raise it little over 75W limit to get my card flatline @ 1306 with 1,212V and 3400MHz memory during solid 99% GPU usage during gaming, and now drawing about 260-270W... before it was more like 200W... With 75 i get 13 to 26MHz drop during 99% usage (Skyrim outside 5840x1080 with ENB etc), 78 stays flat at 1306MHz, and 66 would probably mean somewhere around 1170 with standard memory speed, lucky to stay over 1100 with memory at 3400...

Power draw is at around 260W: 36% from pci-e, 27% from 6-pin and 37% from 8-pin with some room for mistake, so it draws around 90W actually from pcie slot, but i don't think 1-2A more from there won't kill anything, (if i'm not very off then actually it can support much more than 75W usually) and only other way would be hardmodding to get some power off from there to the other lines, soldering new 12V supply there or somehow to teach card to suck more from others, but that's another story...

Anyway this might be only true for Gigabyte OC 670, 680 and 760, 770 ver. 1 Windforce 4G boards that use same 6+2 pwm pcb, with maybe affecting 2G ones too, but probably applies to a few more designs, first indicator being very different OC results with OC-d memory or without it, because why would gpu or memory clock less when other one is OC-d higher, they are using different pwm-s therefore given enough power from 12V rail there should be no significant difference how high is one or other unless they are on the scales...
But this is only my thinking, before i needed to downclock memory to -500 to do even successful heaven run without throttling @ 1306MHz GPU, now running both as i want)

I can understand designing it to get all important power from pcie slot, but under usage there should be some better power managment or at least turning down only one power input usage if the others still have much power left to use

Had i knew about these problems before it would save me a few days worth of googling, thinking and finally soldering, measuring etc... but since i have got my results now i believe tomorrow i'll find this information all around the internet while googling for skyrim mods or something and i just was unlucky to not find it mad.gif

All three power settings are present in Kepler Bios Tweaker 1.27. (5-th for pci-e with 66W usual default, 6-th and 7-th with 75 or 87W for 6-pin and 150/162/170W etc. for 8-pin)
Might be different on different cards, like smaller ones having one less option etc...
So in my case i just raised pci-e limit a little and was seeing miracles...

Interesting. If I tinker with the power settings in KBT 1.27 for my Gigabyte GTX 670 OC, would it increase my overclock? Or do I really need to go through the hardmod to achieve this? My cards are clocking high already but I want to push further if it's possible to change some BIOS power settings using KBT.
post #7292 of 7931
Quote:
Originally Posted by maxufeiss View Post

But never forget that there are more power limits than just the total power limit. At least 3 more on 670, 680, 760, 770 etc and 2 on smaller ones (for me it makes pci-e, 6-pin, 8pin limit). I had major headache with my card being power limited while i was getting nowhere near my total power limit. I was hitting PCI-E power limit. Depends how card is made etc...

My story and conclusion here: Warning: Spoiler! (Click to show)
So i soldered 3 multimeters to power sensors and while i was already guessing it right, i confirmed that my card was throttling because it was hitting only one of them, that being pci-e power limit which is usually set at 66W. Basically all important stuff gets it's power from there (card, memory, fan, and some of gpu power) and because i have 4G memory it draws even more from there, so with even original bios i get to that 66W limit kicking in, and is it only my cards design flaw (for overclocking) or not, if it's getting to that one limit it lowers all power crossing 6 gpu pwm-s (1 for pci-e, 2 for 6-pin and 3 for 8-pin power lines) not only first one that actually draws power from there... Stupid load balancing @ work. So it magnified the effect to the point where even setting higher fan speed would mean automatic downclock, or raising memory speed did the same. Setting that power to 60W was like choking my card especially when turning up fan and memory. Never nearing max total power.

So basically near limits setting 1W higher pci-e power meant that card could draw at least 1+5W more than before for GPU. I needed to raise it little over 75W limit to get my card flatline @ 1306 with 1,212V and 3400MHz memory during solid 99% GPU usage during gaming, and now drawing about 260-270W... before it was more like 200W... With 75 i get 13 to 26MHz drop during 99% usage (Skyrim outside 5840x1080 with ENB etc), 78 stays flat at 1306MHz, and 66 would probably mean somewhere around 1170 with standard memory speed, lucky to stay over 1100 with memory at 3400...

Power draw is at around 260W: 36% from pci-e, 27% from 6-pin and 37% from 8-pin with some room for mistake, so it draws around 90W actually from pcie slot, but i don't think 1-2A more from there won't kill anything, (if i'm not very off then actually it can support much more than 75W usually) and only other way would be hardmodding to get some power off from there to the other lines, soldering new 12V supply there or somehow to teach card to suck more from others, but that's another story...

Anyway this might be only true for Gigabyte OC 670, 680 and 760, 770 ver. 1 Windforce 4G boards that use same 6+2 pwm pcb, with maybe affecting 2G ones too, but probably applies to a few more designs, first indicator being very different OC results with OC-d memory or without it, because why would gpu or memory clock less when other one is OC-d higher, they are using different pwm-s therefore given enough power from 12V rail there should be no significant difference how high is one or other unless they are on the scales...
But this is only my thinking, before i needed to downclock memory to -500 to do even successful heaven run without throttling @ 1306MHz GPU, now running both as i want)

I can understand designing it to get all important power from pcie slot, but under usage there should be some better power managment or at least turning down only one power input usage if the others still have much power left to use

Had i knew about these problems before it would save me a few days worth of googling, thinking and finally soldering, measuring etc... but since i have got my results now i believe tomorrow i'll find this information all around the internet while googling for skyrim mods or something and i just was unlucky to not find it mad.gif

All three power settings are present in Kepler Bios Tweaker 1.27. (5-th for pci-e with 66W usual default, 6-th and 7-th with 75 or 87W for 6-pin and 150/162/170W etc. for 8-pin)
Might be different on different cards, like smaller ones having one less option etc...
So in my case i just raised pci-e limit a little and was seeing miracles...

lol i agree with you completely and i believe it is intentional on gigabytes part though it is a pain in the arse and i believe there is more to it than this as raising the pci-e rails did nothing for me but allow me to run stock a little better now at stock i reach 1188MHz all i need now is a little more voltage to hit my 1215MHz oc i want and i think i will have to pencil mod for that.

Quote:
Originally Posted by evilkitty View Post


i thought that was the voltage...
i guess i need to mess with the voltage table then?
this is my current stable OC under linux, windows could get another 39MHz by only adjusting the clock speed
which values do i adjust?
Screencast2014-03-04155604.mp4.zip 1616k .zip file
i would like to get another 39mhz on linux, base clock of 1110Mhz
temps are very safe, 62-63C and that is when mining

tell me what are your configs for that?

Quote:
Originally Posted by Anti Hero View Post

Hey DJ, mind tweaking mine one more time?

I have to have the power limit maxed at 249 for it to run stable. Not sure if thats good or bad but it kinda worries me.

Appreciate it if you could.

newbiosmod.zip 56k .zip file

try this newbiosmod.zip 112k .zip file  

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post #7293 of 7931
Quote:
Originally Posted by djthrottleboi View Post

tell me what are your configs for that?
you mean the BIOS configs? those are in my attachment
all i have done in kepler bios editor was up the clocks and the power target on the left side
Galaxy-GTX650TiBoostBIOS_1071MHz.zip 112k .zip file
or did you mean the mining
cudaminer -i 1 -a scrypt -o stratum+tcp://ltc.give-me-coins.com:3333 -O name:pass -l K48x30
Edited by evilkitty - 3/4/14 at 8:15pm
post #7294 of 7931
Quote:
Originally Posted by evilkitty View Post


you mean the BIOS configs? those are in my attachment
all i have done in kepler bios editor was up the clocks and the power target on the left side
Galaxy-GTX650TiBoostBIOS_1071MHz.zip 112k .zip file
or did you mean the mining
cudaminer -i 1 -a scrypt -o stratum+tcp://ltc.give-me-coins.com:3333 -O name:pass -l K48x30

i forgot my cudaminer setting for this card when i had it but whats you hashrate? mine was 169khashes. also a suggestion maybe you can raise the rail voltages and the power limit as well as the tdp and the card should naturally draw more power giving you more oc room.

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post #7295 of 7931
~127khashes

which values do i adjust?
***This is a 650 Ti Boost, it gets power from the PCI slot and a single 6pin plug
post #7296 of 7931
Quote:
Originally Posted by kevindd992002 View Post

Interesting. If I tinker with the power settings in KBT 1.27 for my Gigabyte GTX 670 OC, would it increase my overclock? Or do I really need to go through the hardmod to achieve this? My cards are clocking high already but I want to push further if it's possible to change some BIOS power settings using KBT.

Basically i did not get any more speed than i was able to get before, just got it nice and stable, haven't run tests, but i guess it still won't get higher than 1333MHz @ 1,212V heaven stable, had to heavily downclock memory before for that, same thing with memory, upping that meant lower gpu speeds... in heavy gaming and heaven gpu was lowering speeds even with default bios.

After i got clear what voltage my gpu needed in certain speed and made bios for that, i was already gaining higher clocks while gaming, but with problems like i wrote before it constantly changed speeds: Warning: Spoiler! (Click to show)
Some of early tests in skyrim, at first with memory at 3300 and getting speeds around 1150-1163 or so, then changed memory to 3000 and got speed drops to 1202-1215, while giving a little power it jumps to 1306.
Probably need to open pic in new tab or dl it and zoom:

But now i run with gpu at 1306 and memory 3400 and they stay there, so while i basically have same max OC, i gain at least 10% in game. Pic here: Warning: Spoiler! (Click to show)
This is with my major version 7 bios biggrin.gif (with over hundred testversions, 770 and 760 bios testings before getting here, because i was frantically searching for problem to get to a solution) biggrin.gif, again pretty wide version taken during triplescreen Skyrim with enb...
Notice that gpu speed is constant 1306 with no throttling...

If you have problems with oc stability with same kind of card, then i would believe so. Warning: Spoiler! (Click to show)
I have raised Default power from 250 to 260 and even lowered Max from 300 to 280. But since it is a nice windforce card, it already has so high default that even reverting to default 250/300 will keep my clocks almost untouched. I have raised first and third to 260 too, but i'm not sure if they even matter to me...

EDIT: For me i have reached my almost max stable OC with this and might raise all power sliders to heaven, it will not get me any higher, since it is already getting all power it needs to be at that speed, only thing i can do is to get higher voltages, give me an free 670 and i might voltmod it until it reaches heaven. But i like mine so far and am happy with this result wink.gif
So if you have reached your max speed at 1,212V and it stays there without crashing or throttling, then you have no power problems and this will likely not help you...
And when you gain gpu speed by lowering memory speeds, overclock is not stable, or lose some of it by setting memory and fans higher, then it might help...
Edited by maxufeiss - 3/5/14 at 5:00am
post #7297 of 7931
Quote:
Originally Posted by evilkitty View Post

~127khashes

which values do i adjust?
***This is a 650 Ti Boost, it gets power from the PCI slot and a single 6pin plug

raise all but the 3rd one to 140% then raise the third one to 120% and i know i use the 660 which has the same plug and i mined on 660's and a 650ti so a ti boost should get more than the 169khashes of a 650ti


Edited by djthrottleboi - 3/5/14 at 6:15am
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post #7298 of 7931
Quote:
Originally Posted by djthrottleboi View Post

raise all but the 3rd one to 140% then raise the third one to 120% and i know i use the 660 which has the same plug and i mined on 660's and a 650ti so a ti boost should get more than the 169khashes of a 650ti

Have you ever tried flashing the bios of a 650Ti boost to a 650Ti to change the power limit and TDP on the 650Ti ?
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post #7299 of 7931
Quote:
Originally Posted by jason387 View Post

Have you ever tried flashing the bios of a 650Ti boost to a 650Ti to change the power limit and TDP on the 650Ti ?
not sure if thats a good idea. Isnt the 650ti 128bit and 650ti boost 192bit?

When people tried flashing 770 bios 256bit to 660ti 192bit. It bricked the 660tis. I know someone who done this and he eventually was able to get his stock bios back on however it was not a good time.
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post #7300 of 7931
Quote:
Originally Posted by maxufeiss View Post

Basically i did not get any more speed than i was able to get before, just got it nice and stable, haven't run tests, but i guess it still won't get higher than 1333MHz @ 1,212V heaven stable, had to heavily downclock memory before for that, same thing with memory, upping that meant lower gpu speeds... in heavy gaming and heaven gpu was lowering speeds even with default bios.

After i got clear what voltage my gpu needed in certain speed and made bios for that, i was already gaining higher clocks while gaming, but with problems like i wrote before it constantly changed speeds: Warning: Spoiler! (Click to show)
Some of early tests in skyrim, at first with memory at 3300 and getting speeds around 1150-1163 or so, then changed memory to 3000 and got speed drops to 1202-1215, while giving a little power it jumps to 1306.
Probably need to open pic in new tab or dl it and zoom:

But now i run with gpu at 1306 and memory 3400 and they stay there, so while i basically have same max OC, i gain at least 10% in game. Pic here: Warning: Spoiler! (Click to show)
This is with my major version 7 bios biggrin.gif (with over hundred testversions, 770 and 760 bios testings before getting here, because i was frantically searching for problem to get to a solution) biggrin.gif, again pretty wide version taken during triplescreen Skyrim with enb...
Notice that gpu speed is constant 1306 with no throttling...

If you have problems with oc stability with same kind of card, then i would believe so. Warning: Spoiler! (Click to show)
I have raised Default power from 250 to 260 and even lowered Max from 300 to 280. But since it is a nice windforce card, it already has so high default that even reverting to default 250/300 will keep my clocks almost untouched. I have raised first and third to 260 too, but i'm not sure if they even matter to me...

EDIT: For me i have reached my almost max stable OC with this and might raise all power sliders to heaven, it will not get me any higher, since it is already getting all power it needs to be at that speed, only thing i can do is to get higher voltages, give me an free 670 and i might voltmod it until it reaches heaven. But i like mine so far and am happy with this result wink.gif
So if you have reached your max speed at 1,212V and it stays there without crashing or throttling, then you have no power problems and this will likely not help you...
And when you gain gpu speed by lowering memory speeds, overclock is not stable, or lose some of it by setting memory and fans higher, then it might help...

So basically you're saying that with my current settings, as long as I don't notice any kind of throttling (shown by EVGA Precision X performance monitor) then tinkering with the power settings will probably not increase my max OC?

EDIT: Basically, here are the settings that I changed in KBT 1.25:


Edited by kevindd992002 - 3/5/14 at 8:56am
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