Have I cooked my XFX 6850?

[azairvine]

http://i.imgur.com/iAh1XwQ.jpg

http://i.imgur.com/BBw078N.jpg

Trying to figure out if I've cooked my gfx card!

I was running two 6850s in Crossfire when my screen began to freeze up – checked Afterburner and saw some crazy temperatures so I checked the card, and the fan was running very intermittently (maybe 15% of the time).

I took the card out and pulled it apart – put some oil into the fan and got it spinning again, cleaned everything out, put new thermal paste on the heat sink (a little too much actually – Chemtools R001 from Jaycar) and remounted the card – this time in the secondary slot.

The attached image shows me running a replay of a race in iRacing.com – what I can't figure out is why the CPU2 usage is so much higher than CPU1, and specifically why the memory clock is so low!

Not really sure where to start in trying to diagnose the card to be honest, any tips would be appreciated.

Cheers

 

[azairvine]

I ran a few tests and found that the FPS of the iRacing.com replay does not reduce if I run a single card - therefore it appears that the Crossfiring has no effect?

I swapped the cards around so that the "hot" card was running in the primary slot - graphs looked very similar (what's with that erratic core clock?!)

http://i.imgur.com/FyyDdtI.jpg