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GTX 400 Overclocking/Modding Thread - Page 43

post #421 of 926
Quote:
Originally Posted by chatch15117 View Post
1.39 is insane unless you're on dice or ln2 lol. Once you find your max overclock(when voltage increase doesn't help it become stable, for example mine is 835MHz. 836MHz is unstable even with 1.2v) can you mess with the PWM settings to see if it helps anything?

I think the PWM default is 400. Try increasing it to 500 or something. E-leet doesn't work with 470s yet.
I have never messed with PWM...what exacly does it do?
Sorry to post so many in a row.
post #422 of 926
Thread Starter 
I have no idea lol. I would try to experiment with it on my card, but e-leet works only with 480s right now.
    
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post #423 of 926
OC the PWM?

more stuff to OC... must try...

someone fill us on on what this does.

Quote:
Originally Posted by chatch15117 View Post
I have no idea lol. I would try to experiment with it on my card, but e-leet works only with 480s right now.
flash to 480 bios?
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post #424 of 926
Sup everyone, I'm finally finished tweaking this card. This is as far as I'm willing to because of temps and my little power supply. That poor 610w silencer gets hot!

Interesting note: If your running a dual monitor setup the power management won't let the GPU drop to the lowest power state untill you cut the second monitor off. In that picture you can see the effects of turning the second monitor off. The voltage went from 1.012 to .963 and dropped the temps 12C. So if your not using that second monitor, turn it off! By "turn it off" I mean disable it in the nvidia control panel.


Edited by Drobomb - 6/23/10 at 9:53am
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post #425 of 926
There's a way to fix the dual screen temps already, see this thread.

http://www.overclock.net/nvidia/7562...peratures.html

My results with 2 sceens plugged in

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post #426 of 926
How 'bout that. Thanks for the heads up.
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post #427 of 926
Thread Starter 
Quote:
Originally Posted by k4m1k4z3 View Post
OC the PWM?

more stuff to OC... must try...

someone fill us on on what this does.


flash to 480 bios?

I'm on a 480 bios. My hardware still has the OC6D signature, which points out that it's a 470.
    
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post #428 of 926
I just flashed my GTX470 with the ocx480 BIOS, and I got a minor boost in the graphics score. I forgot to turn off PhysX for this run, but the graphics score is all we're looking at anyway.

Before (17471 Graphics Score)
After (17914 Graphics Score)

Both tests were run with 775 core, 1550 shader and 1.05v. The memory speeds don't match because this BIOS or Afterburner will not allow me to underclock the memory with the new BIOS. Before, I was running 1674 memory, but the OCX480 BIOS forced me to use 1848. This might be where the boost came from.
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post #429 of 926
Here's some 4-way watercooled gtx 480's.. 900 / 1000 at 1.14v on the UD9






post #430 of 926
Ok, I seem to be having a bit of an issue with these BIOSes. After flashing to grunion' BIOS and the EVGA OV BIOS, I cant seem to hold a overclock at all(clocks back down to 405Mhz). 700/1500/850 fails at 1.11 Volts, with he stock Zotac Bios, I could do 775/1550/925 on 1.087 Volts. The only thing thats seems to have this effect is Folding, I've run Crysis bencmark for a loop of 99 times on the max possible settings and that does not artifact at all. One thing I've noticed is that the clocks will fail after I've finished the first WU.I thought it was reverting back to 2d clocks and was unable to kick back up but the thing is that I have to reboot to be able to set my clocks back to stock/OC levels so that means it's a driver issue. I have the power level thing to Max Performance in the Nvidia CP. Any Ideas?
Edited by B7ADE - 6/20/10 at 9:51am
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