Does anyone have YACminer settings for the R9 280x at the new N-Factor?
If they are 3gb cards then this is from the config:
yacminer --scrypt-chacha --worksize 128 -g 1 --lookup-gap 8 --buffer-size 2590 -R 5120 -o stratum+tcp://: -u -p --nfmin 4 --nfmax 30 --starttime 1388361600