diff --git a/sm5/CHANGELOG b/sm5/CHANGELOG
index 434eb86540367d9db87e34fff94ecef315934e0f..80e65893f61806bee7df9759e182abff6c649c2d 100644
--- a/sm5/CHANGELOG
+++ b/sm5/CHANGELOG
@@ -1,6 +1,6 @@
 CHANGELOG for smartmontools
 
-$Id: CHANGELOG,v 1.773 2009/02/16 19:57:32 chrfranke Exp $
+$Id: CHANGELOG,v 1.774 2009/02/23 22:59:04 manfred99 Exp $
 
 The most recent version of this file is:
 http://smartmontools.cvs.sourceforge.net/smartmontools/sm5/CHANGELOG?view=markup
@@ -41,6 +41,9 @@ NOTES FOR FUTURE RELEASES: see TODO file.
 
 <DEVELOPERS: ADDITIONS TO THE CHANGE LOG GO JUST BELOW HERE, PLEASE>
 
+  [MS] knowndrives.cpp update:
+       Add WD Caviar Green 8MB and 32MB cache variants, stretch to 2TB.
+ 
   [CF] knowndrives.cpp updates: Add more entries for Samsung P80 disks
        with old and unknown firmware. Remove old entries which would
        match any new Samsung model reusing old firmware version number.
diff --git a/sm5/knowndrives.cpp b/sm5/knowndrives.cpp
index 50d8649150e903cf22051fc3876fd1ba02719329..ce655a50aa4e844bbf33f4344a88dd96fe37b0ae 100644
--- a/sm5/knowndrives.cpp
+++ b/sm5/knowndrives.cpp
@@ -35,7 +35,7 @@
 
 #include <stdexcept>
 
-const char *knowndrives_c_cvsid="$Id: knowndrives.cpp,v 1.198 2009/02/16 19:57:32 chrfranke Exp $"
+const char *knowndrives_c_cvsid="$Id: knowndrives.cpp,v 1.199 2009/02/23 22:59:04 manfred99 Exp $"
 ATACMDS_H_CVSID CONFIG_H_CVSID EXTERN_H_CVSID INT64_H_CVSID KNOWNDRIVES_H_CVSID UTILITY_H_CVSID;
 
 #define MODEL_STRING_LENGTH                         40
@@ -1129,7 +1129,7 @@ static const drive_settings builtin_knowndrives[] = {
     "", "", ""
   },
   { "Western Digital Caviar Green family",
-    "WDC WD(((50|64|75)00AA|10EA)CS|10EADS)-.*",
+    "WDC WD((50|64|75)00AA(C|V)S|10EA(C|V)S|(10|15|20)EADS)-.*",
     "", "", ""
   },
   { "Western Digital AV ATA family",