Author

Topic: Cgminer litecoin problems 7970 & 6870 (Read 3157 times)

full member
Activity: 126
Merit: 100
Web Programmer, Gamer
November 08, 2012, 04:37:33 AM
#3
Quote
7xxx series cards
Use reaper.  The reason is that cgminer does not support large thread_concurrency values, which can be required for effective mining with 78xx and 79xx cards.  cgminer can be useful for 77xx series cards or the 7970, the latter for which no optimal reaper configuration has been found yet.
Quote
HETEROGENEOUS MIXTURES OF CARDS
CGMINER: Use a comma to separate thread-concurrency values, eg. --thread-concurrency 3200, 8000.  Values correspond to the card number in zeroeth order.
Source: https://bitcointalksearch.org/topic/consolidated-litecoin-mining-guide-for-5xxx-6xxx-and-7xxx-gpus-117221

Not sure if it will help you much.
legendary
Activity: 1484
Merit: 1026
In Cryptocoins I Trust
November 08, 2012, 03:16:45 AM
#2
Post the specs of the computer you're trying to run it on.

Also, add the -T flag at the end of your cgminer syntax, then copy & paste the result here.

Edit- it's late, hopefully someone else can help you out. If not, I'll hit you up tomorrow.
donator
Activity: 3228
Merit: 1226
★Bitvest.io★ Play Plinko or Invest!
November 08, 2012, 02:48:42 AM
#1
I am using the code below and it doesn't use my 7970 and 6870,
I get a weird bug, where the cgminer opens, and it refuses to close,
I open up task manger, I click end task, and it does nothing.
I get extreme lag, and I have to restart the computer to fix the problem,
when I restart it, I try again, then again?

What am I doing wrong?
If I just mine with the 7970 alone its fine.
Though I used reaper, and it worked perfectly
for 7970 and 6870?

color 07
cgminer --scrypt -o http://ltc.kattare.com:9332 -d 1 -u xxxx -p xxxx --shaders 2048 --intensity 9 --worksize 256 -g 1 --gpu-engine 1000 --gpu-memclock 1375 -d 0 --gpu-engine 900  --shaders 1120 --intensity 9 --worksize 256 -g 1  --gpu-memclock 1050


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