--- a/tools/Master.cpp	Mon Jun 30 11:28:32 2008 +0000
+++ b/tools/Master.cpp	Mon Jun 30 11:32:19 2008 +0000
@@ -1563,7 +1563,8 @@
             pdoType += "xPdo";
 
             cout
-                << "          <" << pdoType << " Sm=\"" << i << "\">" << endl
+                << "          <" << pdoType
+                << " Sm=\"" << i << "\" Fixed=\"1\">" << endl
                 << "            <Index>#x"
                 << hex << setfill('0') << setw(4) << pdo.index
                 << "</Index>" << endl