A long time ago (when I used a MA311-card in my Peg2) I added some "query header" data (with the help of tokai) and that made the device to show up in the settings.
I dunno if this work any longer, but incase you want to test it it's included in this archive : www.onyxsoft.se/stefan/beta/prism2.zip

The compiled device is under the source-drawer...