LiteCoin Miner issues

[demonmaestro]

Note: If this is in the wrong area I am sorry. Could you(mods) please move it to the correct area.


I am having issues getting my 7870 to play with my 3 7850s.

The 3 - 7850 is connected via PCIe x16 non power raisers
The 1 - 7870 is connected via PCIe x1 to X16 powered raiser.

device manager sees all cards.

go to start cgminer 3.7.2 and it does "windows has encountered an unexpected problem. close program/wait for program"

this is windows 7 i am using.
I have 3 dummy plugs in the cards and a moniter plugged in as well..

Thanks for the help.


I also have ubuntu installed as well if something think they can configure it to work for me instead.

There will be a reward as well.

[slk_wow]

Do you face any problem with one 7850 ? U also could try in Ubuntu, get cgminer 3.7.2 (higher versions does not support GPU), compile it, install fresh ATI drivers etc, it will take u around few hours

[demonmaestro]

no i didnt have any issues with the 3 7850s. To be honest i am looking for someone to set this up for me.

[demonmaestro]

bump.

[LiteMine]

What do your arguments (conf or bat) look like? It seems the 7870's use -g 2 and 7850's use -g 1; I had problems trying to mix cards like this with 7950 and 7970. At the very least, use all -g 1 for them.

Based on the thread below, my bat for those cards might look like.   https://litecoin.info/Mining_hardware_comparison

Code:

-o pooladdress -u username.1 -p pass --scrypt -w 256,256,256,256 -g 1 --thread-concurrency 8192,8192,8192,10240 --intensity 19,19,19,19 --auto-fan --auto-gpu

You can also start with as few arguments as possible, then add them until it doesn't run, then go back to the last usable settings. Delete your .bin's in the cgminer folder first, then try the barebones bat, then check to see what the .bin it created is called. Example: scrypt130511Caymanglg2tc7168w256l4.bin, so this card's basic thread concurrency is 7168.

Code:

-o pooladdress -u username.1 -p pass --scrypt --intensity 17,17,17,17

Also, I recommend
Catalyst 13.1
SDK 2.7
cgminer 3.3.1

Good luck and let me know how it goes!


Edit: I thought you were new and wrote it like that, so I hope there's something here for you

[demonmaestro]

Well got it working.
Now have a new issue. Go to install amd catalyst drivers and the computer just blue screens...

Its a Asus R7 240