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Post your GTX 480 Overclocks! - Page 17

post #161 of 216
Quote:
Originally Posted by MrTOOSHORT View Post

Use a 1.21v bios from this thread and flash for addtional voltage:
http://www.overclock.net/t/709771/gtx-400-overclocking-modding-thread
or use use Afterburner Extreme beta 6 to get up 1.5v on your gtx480:
http://ocxtreme.org/forumenus/showthread.php?t=6015
My suggestion is to not use more than your 1.15v that you're already using. The VRMs on your card, which are probably air cooled just fine, won't be able to handle the heat and voltage past 1.15v and might just pop.
BTW, I had my gtx480 running 1.25v 24/7 for a few months under a FC-EK block and backplate. I still have the card, what a beast!

I installed afterburner from your link and the voltage slider is working fine, up to 1.5v like you said, but I can't get the core clock slider to move at all. Do you know of anyway to fix this. Aside from that problem, this version of msi is exactly what I was looking for.
post #162 of 216
Quote:
Originally Posted by MistaDowner View Post

I installed afterburner from your link and the voltage slider is working fine, up to 1.5v like you said, but I can't get the core clock slider to move at all. Do you know of anyway to fix this. Aside from that problem, this version of msi is exactly what I was looking for.

Yep, that was a wierd problem I faced. I had to install a new afterburner, set the clocks, then just install the beta 6 over the new afterburner. Sometimes I fluked it off that voltage and clock sliders worked on Beta 6 all at once.

One thing to point out is that if you set say 1.3v for example, every restart of the computer will have the voltage go down by one notch in beta 6. It won't continue @1.3v.

Eventually it will stay at 1.25v. That's mostly why I left it 1.25v 24/7. 1.27v was my cap pretty much where it made gtx480 hardlock past that voltage.
    
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post #163 of 216
Quote:
Originally Posted by MrTOOSHORT View Post

Yep, that was a wierd problem I faced. I had to install a new afterburner, set the clocks, then just install the beta 6 over the new afterburner. Sometimes I fluked it off that voltage and clock sliders worked on Beta 6 all at once.
One thing to point out is that if you set say 1.3v for example, every restart of the computer will have the voltage go down by one notch in beta 6. It won't continue @1.3v.
Eventually it will stay at 1.25v. That's mostly why I left it 1.25v 24/7. 1.27v was my cap pretty much where it made gtx480 hardlock past that voltage.

Nice, that worked for me. Question though, did you notice a lot of voltage dropping while in game. I have it set currently to 1.2v, but while in game both cards drop down to 1.67v, then once i leave game they go back up to 1.2v again (system idle they are 1.02v) . Should I assume that thats being read right and they are only being given 1.67v in game? And if so, would it be safe for me to raise it to 1.25v in afterburner if its going to drop it down to 1.2v in game? Ive owned a lot of EVGA gpu's and have yet to kill one, hopefully these wont be my first. I still have 2 years left on my warranty though and their rma service is amazing I hear.

Btw, + rep, you'll been a big help
post #164 of 216
That's wierd that your gpu's voltage drops down a bit. Maybe it's the way the new drivers have been lately?

I think 1.2v load would be ok, but try and have a lot of air flow over your VRMs. This is really important.

Thanks for the Rep.smile.gif
    
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post #165 of 216
I ended up settling on 920mhz core/ 2000 mem running @ 1.181v load (still testing to see if less volts will be stable). Anything above 920 core and they seemed to be unstable in certain games, at least up to 1.2v, and since im not willing to go higher than 1.2v decided to stop my oc there. 920mhz core is not bad though, the overclocks for the 4xx series is amazing. I have 2 NZXT 140mm fans blowing directly onto the cards, so I hope my VRMs arent getting to hot. Thanks again for your help MrTOOSHORT.
Edited by MistaDowner - 12/20/12 at 1:20pm
post #166 of 216
Hope it's under warranty mate! Why don't you get the thermaltake spitfire v2 thing to slap on it since your running them high volts. I'm running 875/2000 at 1.075v as it needs loads more to run 900 totally stable - 1.150 in alan wake.
    
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post #167 of 216
I have installed Zalman VF3000F on my GTX 480 and i have overclocked it to 1050 mV, 830 Core Clock, 1660 Shader Clock, 2125 Memory Clock. Running stable and never over 67 C with fans on 60-70%. Should i clock down memory and try to boost up the core and shader ? Is best to get performance out of this card to not clock memory and boosting up core and shader ?
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post #168 of 216
Quote:
Originally Posted by thomjak View Post

I have installed Zalman VF3000F on my GTX 480 and i have overclocked it to 1050 mV, 830 Core Clock, 1660 Shader Clock, 2125 Memory Clock. Running stable and never over 67 C with fans on 60-70%. Should i clock down memory and try to boost up the core and shader ? Is best to get performance out of this card to not clock memory and boosting up core and shader ?

Yeah, core/shader speed trumps memory speed so the best way to overclock your card is to leave memory at stock first and overclock core/shaders as far as possible, then when you've found highest stable settings see what you can do with the memory.
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post #169 of 216
Ok, dont know how far i should push my Corsair HX 650W PSU, got an I7-870 clocked to 3.8GHz with Noctua NH-D14, 5x120 fans in the cabinet and the GTX 480 on Zalman VF3000F.
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post #170 of 216
Quote:
Originally Posted by thomjak View Post

Ok, dont know how far i should push my Corsair HX 650W PSU, got an I7-870 clocked to 3.8GHz with Noctua NH-D14, 5x120 fans in the cabinet and the GTX 480 on Zalman VF3000F.

Your psu will easily handle the I7 870 and gtx 480. Go ahead and push the clocks.
    
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