diff --git a/ChangeLog b/ChangeLog
index 1d2cf89..89c6e24 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2002-05-16  Ben Elliston  <bje@redhat.com>
+
+	* config.guess: Detect PowerMAX OS on Concurrent Night Hawk.
+	* config.sub: Handle -powermax*. 
+
+2002-05-02  Ben Elliston  <bje@redhat.com>
+
+	* config.guess: Add "4400" to machines that run NCR System V UNIX.
+
 2002-04-25  Mark Mitchell <mark@codesourcery.com>
 
 	* config.sub (*-wrs-windiss): New targets.
diff --git a/config.guess b/config.guess
index ed2e03b..ca3bb64 100755
--- a/config.guess
+++ b/config.guess
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002 Free Software Foundation, Inc.
 
-timestamp='2002-03-20'
+timestamp='2002-05-16'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -428,6 +428,9 @@ EOF
     Motorola:PowerMAX_OS:*:*)
 	echo powerpc-motorola-powermax
 	exit 0 ;;
+    Night_Hawk:*:*:PowerMAX_OS)
+	echo powerpc-harris-powermax
+	exit 0 ;;
     Night_Hawk:Power_UNIX:*:*)
 	echo powerpc-harris-powerunix
 	exit 0 ;;
@@ -958,7 +961,7 @@ EOF
 	exit 0 ;;
     M68*:*:R3V[567]*:*)
 	test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
-    3[34]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0)
+    3[34]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0)
 	OS_REL=''
 	test -r /etc/.relid \
 	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
diff --git a/config.sub b/config.sub
index 299f3f4..41c2b23 100755
--- a/config.sub
+++ b/config.sub
@@ -3,7 +3,7 @@
 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
 #   2000, 2001, 2002 Free Software Foundation, Inc.
 
-timestamp='2002-04-26'
+timestamp='2002-05-16'
 
 # This file is (in principle) common to ALL GNU software.
 # The presence of a machine in this file suggests that SOME GNU software
@@ -1090,7 +1090,7 @@ case $os in
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
-	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* )
+	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* | -powermax*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)