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GTX 600 Series Unlocked Voltage Bios' downloads and tools. - Page 728

post #7271 of 7931
Quote:
Originally Posted by jason387 View Post

Yes my max voltage allowed even if I force any higher volts is 1.22v. So what can be done?

In my case i would need to hardmod and set VID_6 to LOW state, then set rest of the table manually, that means it's better to force certain voltage or use switches for manual input during operation, but this also means losing low voltage states, higher power consumption etc... maybe some magic can be done to change it with some other VID pin and then do a major bios edit with offset voltages, but it ain't easy and i'm happy enough with 1,212V which already can draw at least 280W or even more @1306MHz (have set limit to 260W and it does downclock 13-23MHz during very heavy use)

Your card probably different with different voltage controller... for standard 680 there should be enough to google *680 voltmod* or so, but if you are not used to soldering etc then it might result with having one more free pci-e slot in your pc...
Edited by maxufeiss - 3/3/14 at 1:31pm
post #7272 of 7931
Quote:
Originally Posted by maxufeiss View Post


In my case i would need to hardmod and set VID_6 to LOW state, then set rest of the table manually, that means it's better to force certain voltage or use switches for manual input during operation, but this also means losing low voltage states, higher power consumption etc... maybe some magic can be done to change it with some other VID pin and then do a major bios edit with offset voltages, but it ain't easy and i'm happy enough with 1,212V which already can draw at least 280W or even more @1306MHz (have set limit to 260W and it does downclock 13-23MHz during very heavy use)

Your card probably different with different voltage controller... for standard 680 there should be enough to google *680 voltmod* or so, but if you are not used to soldering etc then it might result with having one more free pci-e slot in your pc...

he can also pencil mod though you have to know the exact locations to pencil mod and this ways a bit better as you can erase pencil markings

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post #7273 of 7931
Quote:
Originally Posted by djthrottleboi View Post

he can also pencil mod though you have to know the exact locations to pencil mod and this ways a bit better as you can erase pencil markings
True. I don't know where to shade but I do have pics of my pcb if that would help ?
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post #7274 of 7931
Is your card this one? http://www.techpowerup.com/reviews/Zotac/GeForce_GTX_650_Ti_Boost/

If so that uses the ncp5395g controller (datasheet), looks like it would need VID modding for a full voltage range, but modding at pin 18 of the controller may give some extra voltage. For a pencil mod find continuity from pin 18 to a nearby resistor & shade the resistor (lighter or heavier shading should adjust voltage), but make sure you use a DMM on one of the VRM output caps to see any voltage change, it would not be shown in any software & changing voltage blind is never a good idea.
    
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post #7275 of 7931
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post #7276 of 7931
I got the Boost edition made by PALIT. Bios mods enable me to reach 1255 MHz core and 1750 MHz on VRam at 1.212.

I also found out that Power target adjustments require a software to tweak the Power Target limit. But if you mod the stock power target, you can run the card without any software help. Which is always BETTER,..
Warning: Spoiler! (Click to show)

The Power Table is based on a 660TI and will of course be enough to over power the card. But no worries, the card will simply pull out the mW it can pull.

Just setting the bios to allow the card to pull as much as it can without being limited by the power targets.
post #7277 of 7931
Quote:
Originally Posted by FtW 420 View Post

Is your card this one? http://www.techpowerup.com/reviews/Zotac/GeForce_GTX_650_Ti_Boost/

If so that uses the ncp5395g controller (datasheet), looks like it would need VID modding for a full voltage range, but modding at pin 18 of the controller may give some extra voltage. For a pencil mod find continuity from pin 18 to a nearby resistor & shade the resistor (lighter or heavier shading should adjust voltage), but make sure you use a DMM on one of the VRM output caps to see any voltage change, it would not be shown in any software & changing voltage blind is never a good idea.

agreed 

Quote:
Originally Posted by jason387 View Post


True. I don't know where to shade but I do have pics of my pcb if that would help ?

he has to find out if it would be worth it first and if he can do it safely.

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throttlemeister
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post #7278 of 7931
Quote:
Originally Posted by djthrottleboi View Post

he can also pencil mod though you have to know the exact locations to pencil mod and this ways a bit better as you can erase pencil markings
Duh... getting dumber every year... totally forgot that the easy way is just to lie voltage controller about actual output voltage! but i don't like pencils, probably would add variable resistor etc to board and then tune from there, or try to change some vid pins and do some bios magic... Too late to be worried about erasing pencil markings anyway, have 3 multimeters attached to my 670 atm so its slightly scratched biggrin.gif
Warning: Spoiler! (Click to show)

Edited by maxufeiss - 3/4/14 at 3:33am
post #7279 of 7931
Quote:
Originally Posted by maxufeiss View Post


Duh... getting dumber every year... totally forgot that the easy way is just to lie voltage controller about actual output voltage! but i don't like pencils, probably would add variable resistor etc to board and then tune from there, or try to change some vid pins and do some bios magic... Too late to be worried about erasing pencil markings anyway, have 3 multimeters attached to my 670 atm so its slightly scratched biggrin.gifWarning: Spoiler! (Click to show)

lol then go for it.

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post #7280 of 7931
Quote:
Originally Posted by evilkitty View Post

rather boring, too easy, nothing seemed to get it over 1333 in boost, heaven just crashed
this is the model i have
http://www.newegg.com/Product/Product.aspx?Item=N82E16814162130
seems i was not getting 1333, i was reading the clock speed from heaven 4.0, it seems to read the speed wrong, it was really 1254Mhz according to GPU-Z

is there a way to OC farther than you can when increasing the power % does not help get higher clocks
Edited by evilkitty - 3/4/14 at 10:35am
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