Miner Help

[haxxorboi]

Well, this is probably better for a miner discussion, but as I'm locked into this forum...

Setup:
Win7 x64 machine with 2x6950 and 1x7970 on a Intel DQ67SW
-6950 in the x16 slot. 930core,805ram.
-6950 in the x4 slot via a x16-x1 connector. 930core,805ram.
-7970 to the x1 slot via x16-x1 connector. 1150core,1000ram.
Everything is stable as far as electrical.

I've successfully run several miners (CGminer, Diablo, Bitminter, etc.) and keep getting different hash rates. My highest right now is with DiabloMiner @ 1439MH/s. I can get around 1400MH/s on Bitminter, and my highest in CGminer was 1430 from phatk,phatk,diablo. My current SDK is 2.6 due to the 7970, but I was getting upwards of 400MH/s from the 6950s (only around 360 now) before upgrading to 2.6.

I understand finding the correct miner is all trial and error, but I feel like I'm doing something wrong here. I assume I have to use 2.6 for the 7970, but can I somehow get those 6950 to give me back those 80MH/s? If so, is there a guide to install them in parallel (I've searched but can't find one)?

Basically, anyone who's mixed 6- and 7-series AMD cards, what've you found to be the best setup?

Thanks in advance!

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[haxxorboi]

*bump*
Seriously? No one has mixed 6 and 7 series AMD cards?

[exotime]

The best advice you can get is from your own testing. Odds are no one will have the exact same configuration as you, but it's almost certain that someone has used 6xxx and 7xxx series cards in the same rig.

Perhaps you will find more information by reading or searching for existing rigs with your configuration, and what their builders found.