Bitcoin Forum

Litecoin mining cgminer ati6900.
How to mine LTC on ATI 6900, I try and max 340 kh/s

What parameters do you use? My glass ball couldn't tell me...

I use parameters from java script
I want new parameters for cgminer, maybe link whith ready script to download

K. Use this in a batch file. Create a file in the directory of cgminer called start.bat. make sure you have it set in explorer so you can view file extensions or it won't work.
put the following in the file:

cgminer --url http://yourpool.com:9332/ --user your.username --pass yourpassword --scrypt --thread-concurrency 1536 -g 2 -w 256 -I 17 --vectors 4

This worked for me for a good 440+ KH/s on a 6950 that is unlocked. Expect less if you have not unlocked the card.

If the card is unlocked, try --thread-concurrency 6144 because if that works for you, it will be better than 1536. It caused errors for me though.

If the card is unlocked, try --thread-concurrency 5632 or --thread-concurrency 1408

If you do not know if your card is unlocked, then it is not unlocked.

I have found the -I 17 setting to be very important. It will make your desktop unusable but make hashing excellent. For me, this was the optimal setting. Yours may be slightly different so try different numbers but start at 17.

I will not it mine any more, hashrate anyway 350 kh/s

That sentence makes no sense. Please try again.