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Overclocking training - Need some tips and tricks

post #1 of 6
Thread Starter 
Ok, so I have dabbled with overclocking my gpu a bit, and one thing that I have found is I have no idea what I'm doing. I have an MSI GeForce GTX 670 Power Edition OC 2GB and I have found that it comes with a few more options than my previous ati card (as if I didn't have enough things I don't know about).

Things I want to know:
  • General tips and tricks for OCing
  • What to avoid and danger signs/problems/things that might make my computer and/or face catch on fire
  • Specifics on Aux voltage, Core voltage, Memory OC and Core OC and how to overclock/edit them individually or at all.
  • Does "The NVIDIA OpenGL driver lost connection" mean that my OC is too high?

I am running with an AMD Phenom II 1090t Black Edition CPU (So no integrated graphics) and I'm using msi afterburner as the overclock software (seemed appropriate to match the software to the card manufacturer) If you have a more powerful software to use, please let me know.
post #2 of 6
Might want to read through this thread. Hopefully will help you out. Just remember to take your time and do it slowly and find the max and back off just a little. Each gpu will overclock different. You may get what someone is getting or might go higher, or not even get that high. Have fun and good luck.
http://www.overclock.net/t/1265574/msi-gtx-670-power-edition-twin-frozr-4-cooler

NVIDIA OpenGL driver lost connection

But basically you are pushing the hard too far at that point. Thanks
Edited by KILLER_K - 10/10/12 at 5:59am
post #3 of 6
All the tips and tricks for OC'ing Kepler are here:

http://www.overclock.net/t/1265110/the-gtx-670-overclocking-master-guide/0_50

It doesn't touch on the overvolting thing, but if I were you I'd get the basics down (as seen in the thread) before I started worrying about the fancy stuff. It's not like people are getting large gains from OV'ing Kepler anyways thumb.gif
Edited by brettjv - 10/10/12 at 5:51pm
    
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xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
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CPUMotherboardGraphicsRAM
xeon X5675 6-core @ 4.1ghz (1.29v, 20x205 +ht ) rampage iii extreme msi rx470 gaming X (the $159 budget king) 3 x 2gb corsair xms3 pc12800 (9-9-9-24-1T@1600MHz) 
Hard DriveOptical DriveCoolingOS
hynix 250gb ssd (boot), 2tb deskstar (apps),1tb... plextor px-712sa - still the best optical drive... corsair h8o v2 aio W10 home 
MonitorPowerCaseAudio
asus vw266h 25.5" (1920x1200) abs sl (enermax revolution) * single 70A rail 850w silverstone rv-03 XFi Titanium 
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post #4 of 6
its very basic, just crank Vcore and watch temps tongue.gif. But nvidia limited you guys so you wont be able to volt it anywhere near dangerous anyway.

so have fun
post #5 of 6
Thread Starter 
I don't think I'm trying to get massive gains out of it, I think it's mostly a hobby and a bit of "Let's see how high I can get this to" XD The OC on my power edition is already than higher any of the other cards, but I haven't actually tested what sort of performance increase it gives me.

From what I understand, the card actually OCs itself, we just set the limit on it. I expect I'll just learn from trial an error. It sounds like a good card to start on XD. Thanks
post #6 of 6
Kepler overclocking is dead easy. In Afterburner, first increase the power limit to the max for your card (it varies by card, but I think that one is 122%). Then gradually increase the core and memory offsets - something like +50 core and +150 memory is a good starting point. Do a quick test with Heaven to see if it is initially stable, and if so then go do some testing with games. If you have no problems you can increase the offsets some more, but if you get artifacting or crashing just back it down a little.

When you report your clock speeds make sure to use the actual boost freq in gaming and not the offset, since what that offset equates to is different for each card (so +100 on mine won't be the same as +100 on yours). Something in the 1250 core, 6600 memory range is a decent overclock.
Edited by Forceman - 10/10/12 at 10:55pm
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