Thanks CSM00! I will try this when my miners arrive next week! Can you maybe tell me how to run two miners on linux, what are the correct command lines? And where can i find what the address is of every miner connected?
Something life this:
./minerd -o stratum+tcp://pool:3333 -u user -p password -G /dev/ttyACM0 --freq=800
./minerd -o stratum+tcp://pool:3333 -u user -p password -G /dev/ttyACM1 --freq=800
The miners will show up in /dev as tty. On Ubuntu 13, they show up as /dev/ttyACMx