diff --git a/ChangeLog b/ChangeLog
index 0deb137..7f2dc8a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2002-08-20  Ben Elliston  <bje@redhat.com>
+
+	From Chris Demetriou <cgd@broadcom.com>:
+	* config.sub (sb1, sb1el): Treat these machines as
+	mipsisa64sb1-unknown and mipsisa64sb1el-unknown, respectively.
+
 2002-08-19  Ben Elliston  <bje@redhat.com>
 
 	* config.guess: Detect Super-UX on NEC SX-6.
diff --git a/config.sub b/config.sub
index 395c5cf..310b8d2 100755
--- a/config.sub
+++ b/config.sub
@@ -822,6 +822,12 @@ case $basic_machine in
 		basic_machine=a29k-amd
 		os=-udi
 		;;
+	sb1)
+		basic_machine=mipsisa64sb1-unknown
+		;;
+	sb1el)
+		basic_machine=mipsisa64sb1el-unknown
+		;;
 	sequent)
 		basic_machine=i386-sequent
 		;;