with 4gb ram, 45kh or more with your oc
ultracoinminer.exe -o stratum+tcp://stratum.ultracoinpool.info:3333 -u user -p pass --scrypt-jane --sj-nfmin 4 --sj-nfmax 30 --sj-time 1388361600 -w 256 -g 2 -I 12 --thread-concurrency 36864 --lookup-gap 4 --gpu-engine 1000 --gpu-memclock 1250 --temp-target 68 --auto-fan --gpu-vddc 1080 --gpu-reorder