freakin over at openecu.org has written a utility that creates a config file for the OP 2.0 microSD logging function. It uses the romraider logger defs so make sure you have the latest romraider logger defs installed.
I'm linking it here for reference. All questions should be posted on openecu in that thread. You need to log in to openecu.org to see the thread.
http://forums.openecu.org/viewtopic.php?f=57&t=4396