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Faulty 260

I had the exact same problem where my Asus 260 GTX would appear to artifact in games like WoW but by simply going on to the desktop and back into game would make it all better. I tested mine on L4D like you have, and it would also lock up and I would have to hold the power button to turn it off. At this point I was really annoyed and I was trying all sorts of things. I then found a PCI-E voltage setting in my Bios where I gave the card +0.3 more volts and the problem has not happened for 1 week.. even on L4D where it would crash in 5-10minutes..

So I would try to mod your card to allow some more volts since it has appeared to fix my problem.
 
Interesting. I've read over at the EVGA forums about 260 getting a bios revision that altered the amount of volts they get...


There's also another possibility - the voltage on the card could be set too low in BIOS for your system. Pink screens not only occur when there's a serious VRAM problem - they're far more likely to happen when the Core itself is undersupplied.

My three GTX 260s are the original release 192-core models. All three of them have different versions of the BIOS. Two of them are

62.00.0E.00.60 and
62.00.0E.00.62

both dated within a day or two of the model's release. The third has a BIOS that's a few months newer

62.00.1A.00.60

The single biggest, and most crucial difference, between these groups of BIOS versions? Somewhere along the line, someone figured the GTX 260 didn't need the default reference voltages and not only upped the idle voltage and reduced the 3D voltage through a link back to the 2D register value, but set the voltage regulator to the new values and used a different order in filling its register values.
Click to expand...
Quote: jaafaman
Direct: http://www.evga.com/forums/fb.asp?m=100775849


Ill have a look through my bios tonight. Its an Asus P5Q Pro.


As for the Additional cooling, Last night i underclocked the card, put the fan on 100%, pointed 2 x 120mm fans at it (one pointing down the length of the card, the other at the opposite end of the fan blowing angled upwards.) and managed 2 games of L4D without a crash!


I requested an RMA from the seller and they happily supplied one, they will also pick the card up, which is a bit of a surprise, so i don't have postage to pay either. I'll probably send it off even if i can find the volt increase and that proves stable - Its crashed so many times now, with temps getting increasingly high and crashes more frequent, i have completly lost faith in it.
 
Could only find an option to change the PCIE Sata Voltage in the bios. Wasnt sure if this would affect the HDDs plugged in the sata ports so left it alone.
 
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