start DiabloMiner-Windows.exe -u oggermc@hotmail.de_0 -p ******** -o pit.deepbit.net -r 8332 -D 1 -g 5 -f 240
start DiabloMiner-Windows.exe -u oggermc@hotmail.de_1 -p ******** -o pit.deepbit.net -r 8332 -D 2 -g 5 -f 10

EDIT: After removing "-g 5" it works now, but i used -g 5 since i started mining.