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Newbie o/c 1st attempt

Fleetboy

Fleetboy

Fleetboy

Associate
Joined
23 Aug 2008
Posts
28
Not sure if I should post this here or in oc forum but over there seemed more to do with CPUs.

Thought I would have a go at oc my new Asus GTX460 1Gb that's running fine in stock mode (675/1800 & 1350 shader). I've researched on this and the card is supposed to be easily oc to 850/2100 in a safe condition.

My method is as per instructions found widely on the web. Using MSI Afterburner and opening Nvidia Inspector to confirm readings I increased the core clock by just 5 MHz increments, each time running Furmark for 5 minutes and noting down the av & max fps, temp and auto fan speed for each increment. However on reaching just 700 the screen freezes after just a few seconds in Furmark and then the pc crashes followed by an auto reboot where it states that it has just recovered from a serious error.

This has happened 4 times in a row. Surely I have not reached the limit of this card? I must be doing something wrong. I haven't increased the memory slider yet as I read that is increased after finding the optimum core clock speed.

Can anybody spot what I'm doing wrong?

Thanks
 
Some cards just dont clock as well as others, although I would have thought you would get higher.
What is the rest of your system spec and particularly the power supply?
 
I took a guess that the voltage might need upping so have increased it from 0.875 to 0.95 and I'm now able to continue increasing the core clock speed without crashes.

I'll probably settle for around 835 if I can get there.
 
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