--- /dev/null
+#!/usr/bin/env python
+#
+# Copyright 2006,2007 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+#!/usr/bin/env python
+
+from gnuradio import gr
+from gnuradio import usrp
+from optparse import OptionParser
+from usrpm import usrp_dbid
+
+u_source = usrp.source_c()
+u_sink = usrp.sink_c()
+
+subdev_Ar = usrp.selected_subdev(u_source, (0,0))
+subdev_Br = usrp.selected_subdev(u_source, (1,0))
+subdev_At = usrp.selected_subdev(u_sink, (0,0))
+subdev_Bt = usrp.selected_subdev(u_sink, (1,0))
+
+print "RX d'board %s" % (subdev_Ar.side_and_name(),)
+print "RX d'board %s" % (subdev_Br.side_and_name(),)
+print "TX d'board %s" % (subdev_At.side_and_name(),)
+print "TX d'board %s" % (subdev_Bt.side_and_name(),)
+