I have made a config for Dust 514 with the G500 mouse:
https://drive.google.com/file/d/0B2eFjJ ... sp=sharing
5700 DPI
1000 Hz polling rate
Then start GIMX by creating a BAT file containing the following:
gimx -p COM7 -c PS3_Dust514_2.xml --curses --force-updates --subpos -r 4
Replace COM7 with your DIY adapters com port.