the limit of the 6850 is 244 mh/s
I think 1050 is too much.
Try to get the lowest value which will get you 244
Have you had a water pump it wouldn't be a great problem I think 1050 is too much.
Try to get the lowest value which will get you 244
IMHOwhat? I'm using stock cooling of my sapphire 6850 and I live in the tropics
My room can reach 33c-34c and when it does the highest temp I have ever recorded with 960core/344memory is 71c @100%fan
lower your mem clocks it reduces temperatures+gives extra hashes