diff --git a/CHANGES b/CHANGES
index 7aae7e9..98e8fb4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,8 @@ i2c-tools CHANGES
 -----------------
 
 SVN HEAD
+  decode-dumms: Decode module configuration type of DDR2 SDRAM
+                Decode bus width extension of DDR3 SDRAM
   i2c-stub-from-dump: Be more tolerant on input dump format
 
 3.1.0 (2011-12-04)
diff --git a/eeprom/decode-dimms b/eeprom/decode-dimms
index 5f0f666..4676fac 100755
--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -1169,6 +1169,8 @@ sub decode_ddr3_sdram($)
 
 	printl("SDRAM Device Width", (1 << (($bytes->[7] & 7) + 2))." bits");
 
+	printl("Bus Width Extension", ($bytes->[8] & 24)." bits");
+
 	my $taa;
 	my $trcd;
 	my $trp;