Windows.
If you've got 280x's yourself try these settings out. Working like a charm for me.
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
COLOR 0A
C:\vertminer\cgminer.exe --scrypt -o Server -u Username -p Password-w 256 -I 13 -g 2 --lookup-gap 2 --gpu-engine 1000 --gpu-powertune -20 --gpu-memclock 1490 --thread-concurrency 8193
If you've got 280x's yourself try these settings out. Working like a charm for me.
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
COLOR 0A
C:\vertminer\cgminer.exe --scrypt -o Server -u Username -p Password-w 256 -I 13 -g 2 --lookup-gap 2 --gpu-engine 1000 --gpu-powertune -20 --gpu-memclock 1490 --thread-concurrency 8193
Thanks for these settings! Getting 349KH/s on my 7970. I slighty changed the clock and mem speeds to get a bit more out of it. happy now
setx GPU_MAX_ALLOC_PERCENT 200
C:\minervert\cgminer.exe --scrypt -o stratum+tcp://vtc.kilovolt.co.uk:3333 -u saitek1900.1 -p x -d 0 -w 256 -I 13 -g 2 --lookup-gap 2 --gpu-engine 1022 --gpu-powertune -20 --gpu-memclock 1493 --thread-concurrency 8193