Set up my 6870 now, I bought one that was factory overclocked to 950Mhz (up from standard 900) so I could have a go at pushing it further. So far I have it working at 1025MHz stable which gives me 250Mhash/sec (I also tried it at standard 900MHz, 219Mhash/sec)
So I put the 5570 into my Windows machine. Strange thing is that on the dedicated Linux machine, with a faster CPU and newish mainboard, it was getting a max of about 61Mhash/sec... but now in the windows machine, with a slower CPU and older mainboard, it's getting 69Mhash/sec. WTF? Maybe it's a driver thing...
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