diff --git a/CHANGES b/CHANGES
index bf016873..1bc606dc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -19,6 +19,7 @@ SVN-HEAD
                   Add detection for AMD Family 11h thermal sensors
                   Add detection for Intel Atom thermal sensors
                   Add detection for National Semiconductor LM73
+                  Add SMBus detection for AMD Hudson-2
   sysconfig-lm_sensors-convert: Fix exit code
 
 3.1.1 (2009-06-21)
diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 9dd99644..5f57ab2d 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -390,7 +390,12 @@ $revision =~ s/ \([^()]*\)//;
 	}, {
 		vendid	=> 0x1002,
 		devid	=> 0x4385,
-		procid	=> "ATI Technologies Inc SB600 SMBus",
+		procid	=> "ATI Technologies Inc SB600/SB700/SB800 SMBus",
+		driver	=> "i2c-piix4",
+	}, {
+		vendid	=> 0x1022,
+		devid	=> 0x780b,
+		procid	=> "AMD Hudson-2 SMBus",
 		driver	=> "i2c-piix4",
 	}, {
 		vendid	=> 0x100B,