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[Official] NVIDIA GTX 780 Ti Owner's Club - Page 1604

post #16031 of 16504
Quote:
Originally Posted by Koniakki View Post

I can wholeheartedly confirm what DR4G00N is saying. I have been busting my head for 2 weeks with my 780Ti.

The story is I was away for business for almost a year..

When I came back home and builded my new Rig and installed my old 780Ti in it, the latest available drivers were 355.98.

Mind that I upgraded my W8.1 to W10(fresh install), so I didn't even remember what drivers I had.

So after the fresh install and drivers install, setup and everything inbetween, after the OC testing of the CPU, Ram etc I tried gaming on my 780Ti@1250Mhz which was my gaming clocks. I could play also @1270 usually before. But it was a no go! Artifacts! @1250Mhz. I was like what the hell?

I thought maybe its the X99 platform or something. I run it again my default/stock bios again and it was the same. I thought again maybe its a GPU degradation because of sitting in a box for almost a whole year or something.

And NOW I found out it was all because of a fricking DRIVER? I couldn't even run Valley@1240-1245Mhz without artifacts. Far Cry 4 wouldn't run above 1210-1220Mhz without artifacts.

So I found DR4G00N's post about the drivers and installed 353.49Hotfix driver! LOOK AND BEHOLD! All went back to normal! Valley runs@1270-1280Mhz and FC4@1250Mhz without a SINGLE artifact.

So you mean to tell me all this was because of driver? Yes sir, it was indeed. doh.gif
True indeed! Lesson learned.

It's nice that my experimenting could be of use, it took me a while to find the one that oc's the best. Currently I'm just using 358.50 since it performs better for Killing Floor 2 + FleX PhysX. thumbsupsmiley.png
Quote:
Originally Posted by nick779 View Post

How hard is it to pop the acx cooler off one of these bad boys? im not really having temp issues, but part of me wants to do a repaste for good measure.

Is there a guide of sorts anywhere?

Removing the four spring screws around the GPU core will remove the cooler. That's all you need to do. thumb.gif
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The Banshee
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post #16032 of 16504
Quote:
Originally Posted by DR4G00N View Post

It's nice that my experimenting could be of use, it took me a while to find the one that oc's the best. Currently I'm just using 358.50 since it performs better for Killing Floor 2 + FleX PhysX. thumbsupsmiley.png
Removing the four spring screws around the GPU core will remove the cooler. That's all you need to do. thumb.gif

Lol didnt realize it was that easy.
post #16033 of 16504
Quote:
Originally Posted by crazysoccerman View Post

Update:

It seems to be a hardware problem... Warning: Spoiler! (Click to show)
I'm still getting random unrecoverable crashes. I'll switch the pcie slot and toggle the bios switch, but this reminds me a lot of when my 280x died. It's still under warranty so no biggie thumb.gif

update 2:
-switched pcie slots
-windows installed some generic drivers
-restarted

zero issues. not going to try to upgrade drivers again anytime soon. still have no idea what caused the problem.

update 3: issues upon booting. cannot even get to bios menu. after clearing cmos everything works perfectly. have to use reset pins that can only be accessed by removing gpu. at this point i'm suspecting my asrock z77 extreme4 is the problem. either reseating the gpu or resetting the mobo via pins temporarily fixes the problem until next boot.


fixed the problem. psu cables weren't fully plugged into the gpu.
post #16034 of 16504
I'm fairly new to overclocking and new to OCN, do these figure seem ok to you?





I tried to use the Skyn3t Bios for this too but I didn't see the BIOS version change at all in GPU-Z
Is this correct ?

Also, what recommendations do you have for watercooling this GPU (IChill GTX 780 Ti HerculeZ DHS 3Gb)

Thanks in advance smile.gif
Edited by Psalamos - 10/21/15 at 7:23pm
    
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post #16035 of 16504
Quote:
Originally Posted by Psalamos View Post

I'm fairly new to overclocking and new to OCN, do these figure seem ok to you?





I tried to use the Skyn3t Bios for this too but I didn't see the BIOS version change at all in GPU-Z
Is this correct ?

Also, what recommendations do you have for watercooling this GPU (IChill GTX 780 Ti HerculeZ DHS 3Gb)

Thanks in advance smile.gif

If you load the bios into Keplar Bios Tweaker you will see the name change. You will also see the various overclocking programs behave differently with the new values in place.

http://www.overclock.net/t/1474548/kepler-bios-tweaker-1-27-basics-for-those-previous-users-who-want-to-know-what-it-means
    
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post #16036 of 16504
Thanks Drummer,

So I need to use this tool and save the new bios rom before with I flash ?

As I say, I already had flashed., but it's not "taking"...here's what I mean..

    
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post #16037 of 16504
Quote:
Originally Posted by Psalamos View Post

Thanks Drummer,

So I need to use this tool and save the new bios rom before with I flash ?

As I say, I already had flashed., but it's not "taking"...here's what I mean..


You can use GPU-Z to pull your current BIOS and load it into KeplarTweaker just to see what you got in there for sure. What I can think of is you have not actually flashed the card. SHUT OFF AND UNINSTALL YOUR OVERCLOCKING SOFTWARE.


1)download Ez3Flash from page 1, put the extracted folder on your desktop.
2)Take your skynet bios (be sure its the right one for your card, I think you have the right one in the pic) and put it into the folder with ezflash stuff.
3)rename that bios you just put in there to x.rom.
4)double click the ezflash.bat file
5)choose option 3, then hit enter
6)If you are flashing a bios that the card thinks is not native, it may ask you if it is OK to over ride the protection. Just hit y. If not, next step
7)It will ask you if you want to flash, hit y
8)you should hear a single short beep, it will say that it is removing old bios, then flashing new one, represented by slowly appearing periods one by one for about 10 seconds. Flash window will dissappear when done.
9)close window, restart computer
10)reinstall your overclocking software. Keep in mind, software is not perfect, Only Guru II was able to steady the voltage for my Gigabyte card. Afterburner and Precision failed.
11)a safe bet is to use DDU to totally remove your graphics drivers and reinstall them again. I just did this in case.
12)Use GPU-z in order to run the small render program to get the clocks up, and use it to monitor the voltage.

The goal : your card is already running near the max that an air cooled 780ti usually runs. The difference is that you want a rock steady 1.212 voltage showing in GPU-z (dont always trust reading from the OC softwares) and you get rid of voltage drop when the card throttles when hitting max power. This is done by allowing allowing the card to go beyond the stock power envelope - which is around 250-300 watts usually. The skynet bios allows all the way up to 600 watts. These cards CAN pull that much if you push them on water cooling. Make sure you have adequate power supply. You are safe assuming that around 400-450 is the max you will likely pull on air. I increase my fan speeds over 60 degrees to keep it cool. Keep in mind that the usual max clock achieved is around 1250Mhz steady for the core, and maybe 7200-7400 on memory (effective). Core boost yields way better performance than the memory. Run Valley bench looped to test. Beware of furmark. Pushes too hard. Do all of this at your own risk!
    
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post #16038 of 16504
Quote:
Originally Posted by Drummer1976 View Post

You can use GPU-Z to pull your current BIOS and load it into KeplarTweaker just to see what you got in there for sure. What I can think of is you have not actually flashed the card. SHUT OFF AND UNINSTALL YOUR OVERCLOCKING SOFTWARE.


1)download Ez3Flash from page 1, put the extracted folder on your desktop.
2)Take your skynet bios (be sure its the right one for your card, I think you have the right one in the pic) and put it into the folder with ezflash stuff.
3)rename that bios you just put in there to x.rom.
4)double click the ezflash.bat file
5)choose option 3, then hit enter
6)If you are flashing a bios that the card thinks is not native, it may ask you if it is OK to over ride the protection. Just hit y. If not, next step
7)It will ask you if you want to flash, hit y
8)you should hear a single short beep, it will say that it is removing old bios, then flashing new one, represented by slowly appearing periods one by one for about 10 seconds. Flash window will dissappear when done.
9)close window, restart computer
10)reinstall your overclocking software. Keep in mind, software is not perfect, Only Guru II was able to steady the voltage for my Gigabyte card. Afterburner and Precision failed.
11)a safe bet is to use DDU to totally remove your graphics drivers and reinstall them again. I just did this in case.
12)Use GPU-z in order to run the small render program to get the clocks up, and use it to monitor the voltage.

The goal : your card is already running near the max that an air cooled 780ti usually runs. The difference is that you want a rock steady 1.212 voltage showing in GPU-z (dont always trust reading from the OC softwares) and you get rid of voltage drop when the card throttles when hitting max power. This is done by allowing allowing the card to go beyond the stock power envelope - which is around 250-300 watts usually. The skynet bios allows all the way up to 600 watts. These cards CAN pull that much if you push them on water cooling. Make sure you have adequate power supply. You are safe assuming that around 400-450 is the max you will likely pull on air. I increase my fan speeds over 60 degrees to keep it cool. Keep in mind that the usual max clock achieved is around 1250Mhz steady for the core, and maybe 7200-7400 on memory (effective). Core boost yields way better performance than the memory. Run Valley bench looped to test. Beware of furmark. Pushes too hard. Do all of this at your own risk!

Thanks Drummer!!
That was up and beyond the help I was expecting so early on in my membership...I appreciate it!!

I can follow that to the "T" with caution uppermost in my mind untill I can get this card under water (another topic I'm struggling with).

There was a key step I missed in all of that which, now that you've explained in detail, makes absolute sense now!

Again, thanks alot for the help and write up for me, I'll post my results as soon as I get them smile.gif
    
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post #16039 of 16504
@skyn3t There are 4 GTX 780Ti MSI Gaming BIOS'es. What are the difference between them.
post #16040 of 16504
Here's the latest from my attempts.

Any feedback is good feedback!!

    
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