What to use when oc'ing an Nvidia card?

Coolbits, it unhides an option in the drivers. It's a .reg file, google "coolbits"
 
rivatuner is not bad either, you can usually get about 5-10 extra % using riva rather than coolbits if you disable rivas clockprotection feature thing.
 
seems the tuner will only allow me to go 450 on core...anyway to get it to allow me higher clocks?
 
Go into the power user options, and adjust the overclocking settings accordingly.
 
did that, also looks like you can go to sys tweaks and under performance 3d it allows for higher oc's.

I put in the valuse of 581/1018. Is this a normal oc for a 6600GT?
 
Does it actually work under load at those clocks?

If it does, that's a really nice OC.
 
I just played Halo with it like that, no artifacts at all. But I am unsure the clocks are sticking, I mean i did them in power user, but upon rennot they were back to default. The Performance3D settings stayed, though. I do not like this overclocker.

I tried CoolBits. It detects the setting I used with RivaTuner 581/1018. I set CoolBits to 583/1.18 and all is fine.
 
thats a good clock for a 6600gt, but id try to get the mem a bit higher. i know it can do it. what brand of 6600gt is it?
 
583/1.18 is all it can do, when using the test button to see if its a good oc. I am just on stock cooling, too.
Temp reads 48c idle. Not bad.
 
thsoe xfx cards are AWESOME! i have one, and with my icestorm, i can get the core up to 600 with the mem at 1.22. they are hands down the best 6600gt out there.
 
I think it is a great card. Whn I 1st purchased it for my work rig peopel were ripping on it because of the XFX brand, I do not understand why.
 
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