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post #16611 of 18242
Is it safe to use Cyclops 1.275v Bios 24/7 (Gaming purposes, or should I revert back to 1.235v Bios and run my cards at 1400mhz ? With the 1.275 I am pushing 1470mhz) , if I have a water cooled setup ?

I'll be honest never pushed my cards this hard thats why I am asking.

They are reaching 50+ (53 was the max temperature reached and it was a "Hottish" day) degrees Celsius, thats 122 degrees fahrenheit for the american brothers in this forum.

Using dual D5 Pups and a 480 & 360 Rad combo. CPU is also in the loop.


Thanks for your input.
Edited by Thum8er - 2/28/16 at 2:27am
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post #16612 of 18242
Has anyone found any correlation between the official 13.5MHz clock steps and the inbetween clocks some people seem to run? Does the GPU *actually* run at inbetween clocks or is our software reading it wrong and it just chooses the nearest clock step?


Also, maybe not the right thread but I'd like to contribute a few things I've noticed during extensive BIOS modding...

  1. table 1; TDP. doesn't seem to matter at all, I can still pull 300w-400w from the card with just PEG and PT tables increased. I think table 1 is moreso for calculating how much power it's currently using, which may skew readings from monitoring apps.
  2. NVIDIA is pretty conservative on the 6pin rail, probably due to some PSUs not being fully wired. Probably best to spread the load a bit more between the two.
  3. power throttling can be finnicky if you do hit the limit, particularly if the BIOS finds no lower clocks with lower voltage available and can get "stuck" there. It's time consuming but if you want a custom boostable BIOS, it's probably best to set every boost clock voltage to the same min/max range and scale it accordingly.
  4. some BIOSs I've noticed will let you set a "boost limit", and some seem hardcoded with a separate sort of boost limit. setting all XBAR/SYS/L2C to same seem to unlock this slider on some BIOS. however, this can be unstable if all are too high.
  5. GPU Clock Offset: I've noticed this bypasses some hidden boost limit we can't see in MBT other than the above mentioned boost limit, even if you click it a few notches then set everything back to the way it was, the card will boost higher. (I've tested this even with clock/voltage steps that are clearly within it's allowed range).

And... regarding stability testing... I don't believe there's a single stress test that can fully stress every aspect of GPUs nowadays. previously stable clocks could be bottlenecking on different parts of the GPU. for example, a GPU could be stable at 1430 even with 99% usage and no power throttling, but crank up the resolution and it starts stressing other parts (such as ROPs and TMUs) and you may start finding artifacting or crashing. Another example, I can run mem at 8.1GHz and pass CUDA MemTest all day/night long, but games crash/artifact. I found the best method for my own OCD stability requirements is to run a demanding game such as shadow of mordor in one monitor and OCCT GPU test with error checking on a second monitor. (or 4k-5k res single monitor with both running, but careful of power limits - I run OCCT @ 1920x1200, shader complexity 3. also, if using DSR make sure to change text scaling back to normal otherwise some games may not be truly rendering at high res). Firestrike is a horrible test I've noticed, it's mostly shader/particle load and more of a power virus. I've also noticed EVGA OC Scanner doesn't seem to catch artifacts like OCCT does.

and some quote responses below (in case this post gets quoted, quoted quotes get derped):
Quote:
Originally Posted by Radox-0 View Post

Titan x's boosting to the level of the 980 ti on stock bios is hard. Does make me wonder if they simply cut out or removing the crappy part of the chip when I assume cutting down the Titan x chip into the 980Ti? Having gone through 8 Titan x's cards only my current 3 in use can manage and hold 1450 on stock sc bios on the ref cooler in gaming and that's with the fans ramped up very high obviously. I did notice they perform better on the same bios when under water which is expected as the current ref cooler sucks for cooling the power phases and what not. But you are right my other 5 samples I owned (4 evga sc also and 1 zotac) all seemed to hit a brick wall around the 1400 mark.

not that it matters too much to me now, having three in a stack in ref design rarely means I even oc them, get hot as is biggrin.gif


curious, whats the ASIC's of those cards in question and their voltage during boost?
Quote:
Originally Posted by Thum8er View Post

Is it safe to use Cyclops 1.275v Bios 24/7 (Gaming purposes, or should I revert back to 1.235v Bios and run my cards at 1400mhz ? With the 1.275 I am pushing 1470mhz) , if I have a water cooled setup ?

I'll be honest never pushed my cards this hard thats why I am asking.

They are reaching 50+ (53 was the max temperature reached and it was a "Hottish" day) degrees Celsius, thats 122 degrees fahrenheit for the american brothers in this forum.

Using dual D5 Pups and a 480 & 360 Rad combo. CPU is also in the loop.


Thanks for your input.


kinda depends on max current I think. I've seen many running up to 1281 and no degredation even up to 1.3v that I've seen in the 980/970 threads. My wc core temps are similar to yours with kryographcs block. I think the VRMs are kind of insufficient for the TITAN-X though (perhaps vdroop is a major cause of why TITAN-X's can't boost as high on same volts as 980Ti's), so make sure they're cool enough. newer versions of hwinfo can show the total power draw in watts, it's debatable how far you want to go but personally I don't like going past 330w, maybe 350w tops. but some run 400w just fine. You have to ask yourself if the extra watt/power draw is worth it, I found that I needed to bump volts from 1162 to 1224 just to push past 1400 which resulted in about a 50w power increase for a measily 50MHz-75MHz gain. personally I think 1143-1168 seem to be around the sweet spot for power efficiency. unfortunately I can only boost to around 1367ish stable with my 76% ASIC under extreme torture testing but I like to back off a clock step for extra stability (to 1354, with 7.8GHz mem)
Edited by s74r1 - 2/28/16 at 9:19am
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post #16613 of 18242
Quote:
Originally Posted by s74r1 View Post

curious, whats the ASIC's of those cards in question and their voltage during boost?

Current Trio are:

73.1% - Voltage during boost: 1.1990v
72.2% - Voltage during boost 1.2000v
67.3% - Voltage during boost 1.2300v

Having said that this is with the Trio in 3 way SLI, indavidually the two better ones can be stable slightly higher the above is for 1455 Mhz stable. Not that I use it any longer that high as 3 with Ref design sandwiched as they are biggrin.gif

I will note however while there does seem to be a pattern to ASIC and less volts. 2 of the 8 I have owned were outliners. One which had a ASIC of 71.1% would need more volts at idle and stock compared with my 67.3% sample. It would also crash often at 1455 Mhz so was not stable.

Two of my other samples, one with 61.7% and one with 65.3%, the 61.7% was in a similar situation to the above. Less voltage at idle and boost then the 65.3%.
     
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post #16614 of 18242
Hey Guys, just joined the forum.
I'm running my Titan X on air, I've looked through most of this thread and used the search tool etc, but which is the current recommended OC bios? Is it maxair 2?

Cheers!
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post #16615 of 18242
Quote:
Originally Posted by Nunzi View Post

Much love for the 4930k cpu I'm going to do the same wait for the 10 core monster
Quote:
Originally Posted by cobz View Post

Very cool.... thumb.gif The day I installed them I tried to get up on the firestrike wall, I was only a few hundred points away from last place (100th), but I knew with everyone else running the 5960x chip and the x99 boards I was not going to get up there with my 4930k chip... Could I have pushed the cards a little more, sure, but already @ 1503mhz for the run, I was not getting up there, but I did pretty good considering that I still have the previous generation chip & board.. I debated on building a x99 build but my 4930k @4.8ghz is still more then good enough for me, so I only swapped out my 780 ti classys for the titan x's and upgraded my ram to 32gb... I am waiting for intels 10 core monsta to come out and I will have another killa build on my hands.. smile.gif Here was my score though when I tried to get up on the wall.. http://www.3dmark.com/3dm/10461454?

Here's my Sli, Non OC'd, Titan-X SC Firestrike score smile.gif

http://www.3dmark.com/fs/7380013
    
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post #16616 of 18242
EVGA hybrid water cooler on titan x yes or no ? Tired of hearing the fan at full blast !
post #16617 of 18242
Quote:
Originally Posted by OGM3X View Post

EVGA hybrid water cooler on titan x yes or no ? Tired of hearing the fan at full blast !

Yes. It's easy to install and it's very quiet. If anything you may hear some noise from the pump before you hear it from the fan on the radiator. Heck I've bios hacked and overclocked mine to 1500mhz.
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post #16618 of 18242
Quote:
Originally Posted by OGM3X View Post

EVGA hybrid water cooler on titan x yes or no ? Tired of hearing the fan at full blast !

I'd be careful about the Hybrid and custom bios's etc. The VRAM modules are only cooled by a fan I think and the they can get really hot especially with bios's that are over-volted. Full waterblock and a backplate is a much better option. biggrin.gif

If you have only one Titan X a simple option would be a EKWB Predator 360 AIO with a EK Titan X waterblock with a QDC preinstalled to easily hook it up to the Titan X and a EK backplate. It would cool your CPU AND Titan X just fine (you'd have to use the CPU block included for a quick disconnect option or drain the unit and use your own tubing and fittings without the CPU and a non-quick disconnect waterblock. wink.gif

Only issue with that would be you'd have to wait until next month for the waterblock with quick disconnects to be available I think. redface.gif
    
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post #16619 of 18242
Quote:
Originally Posted by Thum8er View Post

Hey guys I have a quick question running Sheysters 1.236V Bios. With that said I had a previous issue with the cards not linking up properly ... thats fixed just had to flash them again... now to another question.

My cards dont seem to run at 100% in games(star wars battlefront 2015) or even in valley benchmarks.... they always hang around the 77-88% mark.



My CPU is a 4930k @ 4.7ghz... that should not be a bottleneck...

Afterburner does back up my claims as the cpu usage lingers around 44% ingame. With one core using 88% and the rest kind of... sitting between 10-25%.



Powersettings in the nvidia controll panel are set to max power , not adaptiv.



Running my cards @ 1440mhz.




Any Ideas suggestions ? Whats your best BIOS Experience sofar ?

Use the Cyclops 1 bios, its the best for me by along way. Any other bios running firestrike and it fails at 1590mhz. The cyclops 1 is the only one that gets me through firestrike.
Also make sure if your using MSI AB that you enable unofficial overclocking, force voltage and disable power limit in the .cfg file.

Link to cyclops 1 bios.
http://www.mediafire.com/download/zm3brc3h7prlqe6/Cyclops.rar
post #16620 of 18242
Quote:
Originally Posted by KedarWolf View Post

I'd be careful about the Hybrid and custom bios's etc. The VRAM modules are only cooled by a fan I think and the they can get really hot especially with bios's that are over-volted. Full waterblock and a backplate is a much better option. biggrin.gif

If you have only one Titan X a simple option would be a EKWB Predator 360 AIO with a EK Titan X waterblock with a QDC preinstalled to easily hook it up to the Titan X and a EK backplate. It would cool your CPU AND Titan X just fine (you'd have to use the CPU block included for a quick disconnect option or drain the unit and use your own tubing and fittings without the CPU and a non-quick disconnect waterblock. wink.gif

Only issue with that would be you'd have to wait until next month for the waterblock with quick disconnects to be available I think. redface.gif

I'm just looking to COOL it down and eliminate that fan noise .
Edited by OGM3X - 2/29/16 at 2:57pm
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