diff --git a/EthernetInterface.cpp b/EthernetInterface.cpp
index 7d8fed8..ddc71be 100644
--- a/EthernetInterface.cpp
+++ b/EthernetInterface.cpp
@@ -36,13 +36,13 @@ EthernetInterface * EthernetInterface::singleton=NULL;
  */
 void EthernetInterface::setup()
 {
-  if (Ethernet.hardwareStatus() == EthernetNoHardware) {
-    if (singleton!=NULL)
-      DIAG(F("Prog Error!"));
-  } else {
-    singleton=new EthernetInterface();
-  }
-  DIAG(F("Ethernet shield %sfound"), singleton==NULL ? "not " : "");
+  if (Ethernet.hardwareStatus() == EthernetNoHardware)
+    DIAG(F("Ethernet shield not detected or is a W5100"));
+  if (singleton!=NULL)
+    DIAG(F("Prog Error!"));
+  if (singleton=new EthernetInterface())
+    return;
+  DIAG(F("Ethernet not initialized"));
 };
 
 
@@ -111,7 +111,7 @@ void EthernetInterface::loop() {
  * @return true when cable is connected, false otherwise
  */
 bool EthernetInterface::checkLink() {
-  if (Ethernet.linkStatus() == LinkON) {
+  if (Ethernet.linkStatus() != LinkOFF) { // check for not linkOFF instead of linkON as the W5100 does return LinkUnknown
     //if we are not connected yet, setup a new server
     if(!connected) {
       DIAG(F("Ethernet cable connected"));
diff --git a/version.h b/version.h
index e9b61bf..591084d 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,8 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "4.1.1"
+#define VERSION "4.1.2"
+// 4.2.1 Bugfix: Ethernet shield W5100 does not report HW or link level
 // 4.1.1 Bugfix: preserve turnout format
 //       Bugfix: parse multiple commands in one buffer string correctly (ex: <s><Q>)
 //       Bugfix: </> command signal status of EX-RAIL tasks or threads