- M505 Frequently Asked Questions This will a FAQ covering many different things that the group has covered before, and don't need to go back over. To begin, this FAQ was created by Davy Fields, moderator of the m505 yahoo group, and will hopefully be added to by many other m505 forum members. Feel free to send info to davy@davyfields.com, or visit The m505 Yahoo Group or go back to my main page.m505.davyfields.com