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[OFFICIAL] GTX 660 (NON TI) Owners Club. - Page 98

post #971 of 6756
Quote:
Originally Posted by an7user View Post

blackRott9 Nice volts for that frequency, but be careful with max power - 150 is a PHYSICAL LIMIT of the PCB unless you have a MSI HAWK with two 6-pin connectors. 75 Watts come from PCI-E and 75 from one 6-pin molex.
And if you are speaking about "1176MHz BIOS set", is it a Boost Clock in bios?

Thanks for the warning. I modeled my BIOS power control settings off of the Asus DirectCU II that comes @ 1071MHz out of the box. It has one power connector.

http://www.techpowerup.com/reviews/ASUS/GeForce_GTX_660_Direct_Cu_II/3.html

I will try 149 max power and see if that reduces performance.

Yes, I selected 1176MHz as my boost clock in the BIOS. That works best for me.

I've had my card boosting up to 1215MHz before I discovered it wasn't stable in all things like that. When it was doing that it would do 41.9FPS in the Valley bench with 4xAA. Now it does 41.6FPS with up to an 1189MHz boost. AvP use to be 71.5FPS for me, now it's 71.2. So I didn't lose that much.

My memory is flashed to 1670 or 3340. I think I've got the best I'm going to get out of this particular card.

EDIT: No, setting a 149 max didn't hurt a thing. So it's going to be 140 def and 149 max for me.
Edited by blackRott9 - 3/28/13 at 3:51am
post #972 of 6756
blackRott9
Mine boosts to 1189Mhz from 1098Mhz (with 1293 max table clock), so there is no need to flash high boost clock.
And I totally agree that 1189 is also absolutely stable clock everywhere, at 1200 valley is unstable.
My memory goes at 7000Mhz stable, but I flashed only 6800 to be on the safe side, and extra 200Mhz on memory is more important than +25 to the GPU.
post #973 of 6756
So I would be better served with a high base clock, and my 1280 limit? I guess I could try that.

Right now I'm using; 1071.5 base 1175 boost and 1280 boost limit.
Edited by blackRott9 - 3/28/13 at 5:40am
post #974 of 6756
blackRott9
I posted my bios screens there:
http://www.overclock.net/t/1330897/official-gtx-660-non-ti-owners-club/940#post_19604920

and as I observed: all gk106 roms I've analyzed have a difference of 65 between base and boost clocks
post #975 of 6756
Ok, I will lock in a combination with that sort of variation and call it a day.

Thanks again for pointing me at that BIOS tool. I love that thing smile.gif
post #976 of 6756
Be REALLY careful with that BIOS tool, some settings can fry your card and you will not notice it until two weeks after.
post #977 of 6756
Quote:
Originally Posted by Raghar View Post

Be REALLY careful with that BIOS tool, some settings can fry your card and you will not notice it until two weeks after.

bah?!
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post #978 of 6756
So what should i e watching running 1228mhz? Vrm temps? I could mount a sensor from my fan controller or the memory?
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post #979 of 6756
just a little question :-)

i have 2 gtx 660 in sli but in the new 3d mark i have a terrible score...
the max score i have in fire strike is 3111 points.

is this normal?
post #980 of 6756
defnitely not normal ...
whatwss ur 3dmark11 score?
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