When I do -i 6 on my 7950's, it says there is not enough ram and it reduces it to 5! What SOL/s are you getting on your 7950s?
Well I have managed about 260 (-i 5) at 950/1450/1.05v, last claymore zec miner.
Hi i did the same for my R9 280 and it worked! thanks a lot it saved me some energy