diff --git a/fhem/contrib/1-Wire/00_OWX.pm b/fhem/contrib/1-Wire/00_OWX.pm
index eec1118f5..4a5ee3a8e 100644
--- a/fhem/contrib/1-Wire/00_OWX.pm
+++ b/fhem/contrib/1-Wire/00_OWX.pm
@@ -6,7 +6,7 @@
 # via an active DS2480/DS2490/DS9097U bus master interface or 
 # via a passive DS9097 interface
 #
-# Version 1.05 - March, 2012
+# Version 1.06 - March, 2012
 #
 # Prof. Dr. Peter A. Henning, 2012
 #
@@ -503,7 +503,7 @@ sub OWX_Discover ($) {
           CommandDefine(undef,"$name OWTEMP DS1822 $owx_rnf");        
         #-- All unknown families are ID only
         } else {
-          CommandDefine(undef,"$name OWID $owx_f $owx_rnf");    
+          CommandDefine(undef,"$name OWID $owx_f $owx_rnf");   
         }
         #-- yes, it is on the bus and therefore present
         push(@owx_names,$name);
diff --git a/fhem/contrib/1-Wire/21_OWAD.pm b/fhem/contrib/1-Wire/21_OWAD.pm
index 1b52697f5..0e90ffa50 100644
--- a/fhem/contrib/1-Wire/21_OWAD.pm
+++ b/fhem/contrib/1-Wire/21_OWAD.pm
@@ -14,7 +14,7 @@
 #
 # Prof. Dr. Peter A. Henning, 2012
 # 
-# Version 1.05 - March, 2012
+# Version 1.06 - March, 2012
 #   
 # Setup bus device in fhem.cfg as
 #
@@ -175,13 +175,13 @@ sub OWAD_Define ($$) {
        if(int(@a) < 2 || int(@a) > 5);
        
   #-- check if this is an old style definition, e.g. <model> is missing
-  my $a2 = lc($a[2]);
-  my $a3 = defined($a[3]) ? lc($a[3]) : "";
-  if( $a2 =~ m/^[0-9|a-f]{12}$/ ) {
+  my $a2 = $a[2];
+  my $a3 = defined($a[3]) ? $a[3] : "";
+  if( $a2 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
     $model         = "DS2450";
     $id            = $a[2];
     if(int(@a)>=4) { $interval = $a[3]; }
-  } elsif(  $a3 =~ m/^[0-9|a-f]{12}$/ ) {
+  } elsif(  $a3 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
     $model         = $a[2];
     return "OWAD: Wrong 1-Wire device model $model"
       if( $model ne "DS2450");
diff --git a/fhem/contrib/1-Wire/21_OWID.pm b/fhem/contrib/1-Wire/21_OWID.pm
index fdd2354df..a30111cc3 100644
--- a/fhem/contrib/1-Wire/21_OWID.pm
+++ b/fhem/contrib/1-Wire/21_OWID.pm
@@ -12,7 +12,7 @@
 #
 # Prof. Dr. Peter A. Henning, 2012
 # 
-# Version 1.05 - March, 2012
+# Version 1.06 - March, 2012
 #   
 # Setup bus device in fhem.cfg as
 #
@@ -99,7 +99,7 @@ sub OWID_Initialize ($) {
 sub OWID_Define ($$) {
   my ($hash, $def) = @_;
   
-  #-- define <name> OWID <id> 
+  #-- define <name> OWID <FAM_ID> <ROM_ID>
   my @a = split("[ \t][ \t]*", $def);
   
   my ($name,$fam,$id,$crc,$ret);
@@ -113,12 +113,12 @@ sub OWID_Define ($$) {
        if(int(@a) !=4 );
        
   #-- check id
-  if(  $a[2] =~ m/^[0-9|a-f]{2}$/ ) {
+  if(  $a[2] =~ m/^[0-9|a-f|A-F]{2}$/ ) {
     $fam            = $a[2];
   } else {    
-    return "OWID: $a[0] ID $a[2] invalid, specify a 2 digit value";
+    return "OWID: $a[0] family id $a[2] invalid, specify a 2 digit value";
   }
-  if(  $a[3] =~ m/^[0-9|a-f]{12}$/ ) {
+  if(  $a[3] =~ m/^[0-9|a-f|A-F]{12}$/ ) {
     $id            = $a[3];
   } else {    
     return "OWID: $a[0] ID $a[3] invalid, specify a 12 digit value";
diff --git a/fhem/contrib/1-Wire/21_OWTEMP.pm b/fhem/contrib/1-Wire/21_OWTEMP.pm
index 295eca97a..f4b65981c 100644
--- a/fhem/contrib/1-Wire/21_OWTEMP.pm
+++ b/fhem/contrib/1-Wire/21_OWTEMP.pm
@@ -16,7 +16,7 @@
 # Martin Fischer, 2011
 # Prof. Dr. Peter A. Henning, 2012
 # 
-# Version 1.05 - March, 2012
+# Version 1.06 - March, 2012
 #   
 # Setup bus device in fhem.cfg as
 #
@@ -123,7 +123,7 @@ sub OWTEMP_Initialize ($) {
   $hash->{SetFn}   = "OWTEMP_Set";
   #offset = a temperature offset added to the temperature reading for correction 
   #scale  = a unit of measure: C/F/K/R
-  $hash->{AttrList}= "IODev do_not_notify:0,1 showtime:0,1 model:DS18S20 loglevel:0,1,2,3,4,5 ".
+  $hash->{AttrList}= "IODev do_not_notify:0,1 showtime:0,1 loglevel:0,1,2,3,4,5 ".
                      "tempOffset tempUnit:Celsius,Fahrenheit,Kelvin,Reaumur";
   }
   
@@ -155,17 +155,17 @@ sub OWTEMP_Define ($$) {
        if(int(@a) < 2 || int(@a) > 6);
        
   #-- check if this is an old style definition, e.g. <model> is missing
-  my $a2 = lc($a[2]);
-  my $a3 = defined($a[3]) ? lc($a[3]) : "";
+  my $a2 = $a[2];
+  my $a3 = defined($a[3]) ? $a[3] : "";
   if(  ($a2 eq "none") || ($a3 eq "none")  ) {
     return "OWTEMP: ID = none is obsolete now, please redefine";
-  } elsif( $a2 =~ m/^[0-9|a-f]{12}$/ ) {
+  } elsif( $a2 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
     $model         = "DS1820";
     $id            = $a[2];
     if(int(@a)>=4) { $interval = $a[3]; }
     Log 1, "OWTEMP: Parameter [alarminterval] is obsolete now - must be set with I/O-Device"
       if(int(@a) == 5);
-  } elsif( $a3 =~ m/^[0-9|a-f]{12}$/ ) {
+  } elsif( $a3 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
     $model         = $a[2];
     $id            = $a[3];
     if(int(@a)>=5) { $interval = $a[4]; }