Help -

Gigabyte - 7950 - 750 - 800 kh/s -

microCoinminer.exe -o stratum+tcp://micro.minersbest.com:10466 -u xxx.1 -p xxx --scrypt --Nfmin 8 --Nfmax 30 --StartT
1390784891 --queue 0 --scan-time 2 --expiry 4 --gpu-engine 1150 --gpu-memclock 1500 --gpu-fan 60 --thread-concurrency 25984 -I 20
StartT parameter is wrong. --StartT 1389028879
Time: 1389474171 12 Jan 2014 N: 64 Nfactor: 5
Time: 1389736315 15 Jan 2014 N: 128 Nfactor: 6
Time: 1389998459 18 Jan 2014 N: 256 Nfactor: 7
Time: 1390784891 27 Jan 2014 N: 512 Nfactor: 8
Time: 1391047035 30 Jan 2014 N: 1024 Nfactor: 9
Time: 1393144187 23 Feb 2014 N: 2048 Nfactor: 10
Time: 1394192763 7 Mar 2014 N: 4096 Nfactor: 11
Time: 1397338491 13 Apr 2014 N: 8192 Nfactor: 12 ------ 750 - 800 kh/s
Time: 1401532795 31 May 2014 N: 16384 Nfactor: 13
Time: 1405727099 19 Jun 2014 N: 32768 Nfactor: 14
Time: 1422504315 29 Jan 2015 N: 65536 Nfactor: 15
Time: 1430892923 6 May 2015 N: 131072 Nfactor: 16
Time: 1456058747 21 Feb 2016 N: 262144 Nfactor: 17
Time: 1489613179 16 Mar 2017 N: 524288 Nfactor: 18
I was getting 2.1MH/s for each of my R9 290s the other day but only getting 1.177MH/s now since Nfactor increase. That might be the speed for your card now
You've got a couple of days until the next Nfactor increase time to get hashing