Titans & GTX780's at 1.4Ghz with unlocked voltage control

[face_man_benny]

I would really like to try this mod, with the mod I use currently I can push my 780 to 1.289 MHz sometimes barely over, it says I do not have permission to download this, how do I get proper permissions? thank you

 

[Lays]

I'm looking at finishing my custom loop next week/this week, depending on when I get paid and I was hoping for some insight on these custom bios's, I have a 3930k, RIVE, 2 780 acx SC's and wanted to get the most possible performance outta em possible.

I'll have 2 60mm thick 480 rads and 2 ek fullcover waterblocks for the 780's, and was hoping to get up to around 1.25-1.3v and shoot for 1300-1400 MHZ core clocks, and 5ghz on the 3930k. (I've already hit 4.8 on the 3930k with just an h100i, but temps are getting a bit worry-some, so I'll shoot for 5+ after I finish my loop.

So far I've only managed about ~1220mhz core and ~1665 mhz mem, with the 1200v limiter, I'm hoping I can get into the 1350's or 1400 with these bios.

How about should I go about getting the bios's for them, and can I re-flash the old versions if I ever have to sell them for new cards later on? Say 880/980 when they're released?

 

[rci2990]

so... does this work for 680s?

 

[Ajay]

so... does this work for 680s?

No, this is for GK100 based GPUs - don't try it!


PS I meant do not try the modded BIOSes. Voltage unlocking tools are a different story as BallaTheFeared points out.

 

[BallaTheFeared]

so... does this work for 680s?

Which one?

I have no idea personally.

Try this one if the others don't work.

http://www.overclock.net/t/1398725/unlock-afterburner-limits-on-lots-of-cards-some-with-llc-ab-b-18

 

[rtsurfer]

Which one?

I have no idea personally.

Try this one if the others don't work.

http://www.overclock.net/t/1398725/unlock-afterburner-limits-on-lots-of-cards-some-with-llc-ab-b-18

Balla I had a few questions about your 780.

What volts do you require to hit 1300 Mhz and what is your ASIC quality..??

 

[BallaTheFeared]

Not sure, tbh. Depending on the game I can bench between 1306/1336 on 1.3v, however if it's gaming stable I have no I idea I'm still trying to find my max stock clocks.

Sample is worse than my first, 1134 boost out of the box, clear voltage hump at 1178 (where I'm sitting now at stock). Highest I've gone thus far is 1372 with closer to 1.4v than I felt comfortable with.

ASIC is 66.2%, could come into it's own on water.

 

[rtsurfer]

Thanks.

I was curious.

I just ordered an EVGA FTW 780 on Sunday (should be here tommorow or day or the day after) as I ultimately ran out of patience of waiting for Sapphire or any other decent aftermarket 290.

My decision was also based on the fact that you proved that an OCed 780 is faster than an max OCed 290.

Here I am hoping that my GPU is a better OCer than my average 4770K.

 

[BallaTheFeared]

I wouldn't fret too much, I'd even say my 780 is below average.

 

[jj109]

What happened to your JHH blessed 780?

 

[BallaTheFeared]

This is it

 

[jj109]

LOL. Based on the way others were calling your sample a golden one, I thought you were doing 1300+ on 1.212 V without AB hack.

 

[BallaTheFeared]

Nope, mine is no where near golden :thumbsup:


This is golden...

This is not...

 

[Seb.F]

I think I run around 1.275v to reach 1280mhz

 

[Pandamonia]

Nope, mine is no where near golden :thumbsup:


This is golden...

This is not...

So your 1300mhz 780 isnt game stable?

 

[jj109]

So your 1300mhz 780 isnt game stable?

If you ask an overclocker "is it stable," he's going to reply "at what voltage?"

 

[gradoman]

Thanks for the links. Easy 1.3v mod for poops and giggles.

 

[BallaTheFeared]

So your 1300mhz 780 isnt game stable?

1300; no problem.

 

[Pandamonia]

If you ask an overclocker "is it stable," he's going to reply "at what voltage?"

Ask most and they are full of crap.

Its hard to find facts out in the overclocked internet

 

[BallaTheFeared]

Ask most and they are full of crap.

Its hard to find facts out in the overclocked internet

What he said is true, 1300 shouldn't take much more voltage than I've been testing 1267Mhz at.

Weather I care to run my card there or not is another matter, or weather another would run their card that hard is also another matter. What doesn't change is the performance obtained at those clocks, the only variance is what your sample can do. Mine is below average I believe, certainly isn't one of the 1333 @ 1.21v samples flying around and there are more than enough of them to say doing it isn't golden you're just in the top bin range.

I haven't seen anything to indicate my sample won't do 1300 gaming, the only question is if I'd be willing to run that voltage for gaming all the time.

Considering my first profile is 900/1500 @ 0.944v I probably have different goals/objectives than someone looking for 1300MHz GK110 performance. That doesn't mean I won't end up testing/creating a 1300MHz profile for gaming, just that my goal for performance isn't limited to FPS only.

Initial phase was easy mode benchmarking, now is when the fun begins when you start trying to hone your per/w/clock/voltage performance while finding stability in all things.

 

[BallaTheFeared]

I just wanted to pass this along, for those of us with non reference cards.

My 780 GHz has a NCP4208 chip, reference is NCP4206. This works fine for the MSI AB 1.3v unlock soft mod, as well as the 1.6v+ additional mod. However it does not work at all with the LLC mod.

Default for LLC when you ping it through MSI Afterburner should be returned as 10. Which is supposed to be 50% LLC with the stock NCP4206 voltage controller. When you apply the LLC mod, what you should get back from MSI Afterburner when you ping it is 00, or basically 100% LLC. This actually causes a 13mv increase in idle voltage. The way LLC works is it applies more voltage to compensate vdroop, so you aren't really doing anything but adding more voltage over what you're setting, however it does stabilize the droop considerably with higher levels of LLC.

If you try to use this mod with NCP4208 your card goes insane, and from my experience crashes the driver soon after 3D load is placed on it. If you attempt to change the clocks, the driver crash is instant.

What seems to work for me, and YMMV of course, is simply changing the 00. The NCP4208 voltage controller seems to have different LLC settings. The normal command (given through CMD either manually or via "tools") is msiafterburner.exe /wi3,20,DE,00. My first attempt at this lead me to 05, so msiafterburner.exe /wi3,20,DE,05. That returns l2C 03 20 de :05. Which to my surprise when testing actually lasted a bit longer than using 00 did. My next attempt was to go low, see if I could make any changes at all to 10 and get LLC increased at all, so the obvious choice then was 09. So I entered msiafterburner.exe /wi3,20,DE,09 and then loaded up 3DMark to see what would happen.

Looking at MSI Afterburner voltage tracking you can see the LLC level has increased on my card. With an input value of 1275mv during idle it will run upward of 1294mv, which is 19mv over what I set. Under load it generally sticks what I input in MSI Afterburner, in this case 1275mv. There were one or two momentary dips to 1269mv, but the variation is nothing like stock without modifying the LLC parameters.

I hope this helps someone :thumbsup:

 

[rtsurfer]

Just got my 780 FTW.
Installed 10 minutes ago.

How do I read what kind of memory I got.
Samsung, Hynix or Elpida...??

 

[jj109]

Does this reset after power cycling? Would be pretty annoying to forget about it after restarting just to have the GPU fall flat on its face.

 

[Z15CAM]

Just got my 780 FTW.
Installed 10 minutes ago.

How do I read what kind of memory I got.
Samsung, Hynix or Elpida...??

Download MemoryInfo 1005 and run the standalone exe.

 

[BallaTheFeared]

Does this reset after power cycling? Would be pretty annoying to forget about it after restarting just to have the GPU fall flat on its face.

Ha yeah, it won't drop on a restart, but it will on a cold boot.