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[Official] Nvidia GeForce GTX TITAN Owners' club - Page 464

post #4631 of 28136
Just thought I would share this....I looked on Scan.co.uk for Titan http://www.scan.co.uk/search.aspx?q=titan and noticed that they give the EVGA Titan (3) an "Entry Level Rating"?! doh.gif
post #4632 of 28136
Quote:
Originally Posted by CallsignVega View Post

So which is the best BIOS now? Been away from the thread for a few days. Got my EK water blocks on but it has done diddly squat for my Titans. Still stuck at a max of 1137 MHz core. I must have the worst clocking Titans in this thread. mad.gif

I don't really think that there is anything floating around that you can't do with Kepler bios tweaker yourself.

What I like about KBT is that once you find how your cards run you can just edit the bios to run at that oc 24/7 in 3d. Its great for people using water. My card isn't the greatest clocker so I run it at 1163mhz and 1.21v. I also upped the power limit to 300w so I don't have to use Afterburner. Once I verify what memory clocks my card runs well I'll flash that to the bios too.

I always prefer to run like that when using aftermarket cooling.
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post #4633 of 28136
Quote:
Originally Posted by BababooeyHTJ View Post

I don't really think that there is anything floating around that you can't do with Kepler bios tweaker yourself.

What I like about KBT is that once you find how your cards run you can just edit the bios to run at that oc 24/7 in 3d. Its great for people using water. My card isn't the greatest clocker so I run it at 1163mhz and 1.21v. I also upped the power limit to 300w so I don't have to use Afterburner. Once I verify what memory clocks my card runs well I'll flash that to the bios too.

I always prefer to run like that when using aftermarket cooling.
Well you can't do anything beyond 1.2125V with the KBE but then again there is no use as no one needs it clearly.
post #4634 of 28136
Does anyone know what radiator size would be sufficient to cool 3930k @ 4.7ghz and 3 titans preferably in serial loop? Ive never water cooled before but 3 titans are a little too warm during load. Any suggestions? Was considering a mo-ra3, but mounting on my haf x will be challenging. Would a 120x4 mounted via koolance rad bracket on the back be enough for all 4 components?
    
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post #4635 of 28136
Well on my fifth bios flash/mod...learning as I go.

1st bios change, just increased max mw power to 300k, left default alone, but default mw triggers 1st step in throttling, so that was a failure.

2nd bios change, increased just max mw power and default mw power both to 300k, thought that was going to work per earlier post here.

While that seemed to make sense, since I was just removing card throttling, and let the built in logic take over...turns out that was unstable....my stock bios setting had specs base clock 875, boost clock 928, boost limit (slider controlled) 1254. While stable at full load where stock settings were 1254 core and 1.21v per the stock software logic... during transitional loads, it would sometimes crash, and now I understand why others are changing P0 and P2 vcore. See pic below, clearly shows that P0 and P2 (resting) states both are capable of reaching 1254 core clock, despite volts can be low during P0 and are with P2 to 825-912.5, pic 2. But that means nvidia knew my card would throttle and stay below 1150, hence they never worried about the fact the default logic with default 1254 core limit would be unstable, if throttling removed...ie, guess they dont test logic at high end since cant get there because of throttling.

My final bios, I am increasing max mw and default mw to 300k, increasing boost clock to 1176, and decreasing boost limit to 1176 (Im not sure it matters to increase boost clock, since I changed both default mw and max mw to same value, so may be just boost limit that matters...but just making sure). Then raising P0 and P2 volts to 1.17....picking 1.17 because that is what my stock settings feed my gpu at full load at core speed of 1176, and is stable so far. (Alternatively, I could have left my stock settings of boost limit to 1254 and increased P0 and P2 volts to 1.21....but went with the conservative approach).



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post #4636 of 28136
Recently lightened up my rig from RX360 and RX240 with 3770k and two 680 gtx watercooled, to a single titan water cooled with just the RX360 for cooling. Seems like I was crashing more often (playing tomb raider which we all know whats up with that) but then started playing far cry 3 and crashing, hawken and crashing. Started to wonder what the heck. This morning, I turned my cpu clocks down to stock from 4.4 overclock (curious if I didnt have enough voltage). Anyone notice a change or having to increase or change stability in an overclock when running titan? Going to mess with it this weekend at stock and see if it's more stable, then I might have to work on the overclock and voltage again. Thanks

Oh, temps when gaming, cpu is around 60c and gpu is around 43c with stock clocks.
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post #4637 of 28136
Quote:
Originally Posted by CallsignVega View Post

So which is the best BIOS now? Been away from the thread for a few days. Got my EK water blocks on but it has done diddly squat for my Titans. Still stuck at a max of 1137 MHz core. I must have the worst clocking Titans in this thread. mad.gif

Vega. I'm using the 280-335 BIOS from marteen. I think it's the best for people on water.

My Titans are at 1202mhz rock stable.

And don't worry Veg. Almost everyone will be around 1150-1200... a bit more, a bit less, but that's it.
    
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post #4638 of 28136
Quote:
Originally Posted by maarten12100 View Post

Well you can't do anything beyond 1.2125V with the KBE but then again there is no use as no one needs it clearly.

Yeah, I tried your 1.25v bios and even under water it didn't seem to help with clocks. It looks like you start to see diminishing returns with voltage on these cards pretty early for the most part.
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post #4639 of 28136
did anybody see the post by manual g

MaunelG: Why does manual fan 70% cause downclocking with 314.09 and 314.14?
Quote:
Hello everyone. I just wanted to give everyone a quick update. We’ve found an error in our power reporting that under certain circumstances makes it look like there is extra power headroom available. The power readout could, for example, show 90% when in fact you are using 100% of the available power. It’s likely that your card is boosting clocks up until it hits the power limit but the reporting error is causing the power readout to show a number below 100%. Under these circumstances a dramatic increase in fan speed would cause some extra power draw and the GPU voltage and clocks could be dropping in order to stay within the maximum power limits of the card.

We’re working on a fix for the power reporting error and expect to have it available in a future driver. A new driver will be released very soon however it will not include the fix.
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post #4640 of 28136
Quote:
Originally Posted by Juggalo23451 View Post

did anybody see the post by manual g

MaunelG: Why does manual fan 70% cause downclocking with 314.09 and 314.14?

Yes we all saw his damage control post on geforce, it has been quoted many times frown.gif
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