I have problem with mining litecoins on some my rigs.
My 6 rigs mining very great.
For example:
GPU: 6870, 6870, 6770, 6770
Mobo: Asrock 890 FX Deluxe 5
RAM: 2 Gb
OS: Win7 64
Drivers: 11.12 with OCL libs from 11.11 (for mining bitcoins when it more profitable)
cgminer.cmd (I use same copies of cmd's on all my rigs and it works very well)
cgminer --scrypt --worksize 256 --shaders 1280 --lookup-gap 2 -g 1 --thread-concurrency 8192 --intensity 17 -o
http://ltc.xurious.com:9332 -u user -p pass
Screenshot (the picture is clickable):
Хостинг фотографий
But there is one problem rig:
GPU: 6870, 6770
Mobo: Asus P5KPL AM SE
RAM: 1 Gb
OS: Win7 64
Drivers: 11.12 with OCL libs from 11.11
This rig mining bitcoins without any problems (I use phoenix 2.7.5).
But there are problems with mining litecoins. I tried also reaper (it works better on my rig with 7970) but not good too.
When I start cgminer.cmd it does not work:
Хостинг фотографий
If I change cgminer.cmd to
cgminer --scrypt --worksize 256 --shaders 1280 --lookup-gap 2 -g 1 --thread-concurrency 2048 --intensity 12 -o
http://ltc.xurious.com:9332 -u user -p pass
it work, but hashrate is very very low.
If I up --thread-concurrency, it does not work.
If I up --intensity, it makes HW and not makes accepted shares:
Хостинг фотографий
I tried versions 2.7.4, 2.7.5, 2.7.6 and 2.8.1.
Help me, please.
While my GPU can't mining litecoins I am very unhappy.
Thank you.
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