diff --git a/motorApp/ImsSrc/drvIM483.h b/motorApp/ImsSrc/drvIM483.h
index c9d23447..e778dfb0 100644
--- a/motorApp/ImsSrc/drvIM483.h
+++ b/motorApp/ImsSrc/drvIM483.h
@@ -3,9 +3,9 @@ FILENAME...	drvIM483.h
 USAGE... This file contains driver "include" information that is specific to
 	Intelligent Motion Systems, Inc. IM483(I/IE).
 
-Version:	$Revision: 1.1 $
+Version:	$Revision: 1.2 $
 Modified By:	$Author: sluiter $
-Last Modified:	$Date: 2000-07-25 13:36:40 $
+Last Modified:	$Date: 2003-05-16 19:22:11 $
 */
 
 /*
@@ -62,5 +62,11 @@ struct IM483controller
     CommStatus status;		/* Controller communication status. */
 };
 
+/* Function prototypes. */
+extern RTN_STATUS IM483SMSetup(int, int, int);
+extern RTN_STATUS IM483PLSetup(int, int, int);
+extern RTN_STATUS IM483SMConfig(int, int, int, const char *);
+extern RTN_STATUS IM483PLConfig(int, int, int, const char *);
+
 #endif	/* INCdrvIM483h */