Updated all serial in setup examples with a note about the serial check

libraries/Ethernet/examples/ChatServer/ChatServer.ino

@@ -41,7 +41,9 @@ void setup() {
   server.begin();
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   Serial.print("Chat server address:");
   Serial.println(Ethernet.localIP());

libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino

@@ -30,7 +30,9 @@ EthernetClient client;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/DhcpChatServer/DhcpChatServer.ino

@@ -37,7 +37,9 @@ boolean gotAMessage = false; // whether or not you got a message from the client
 void setup() {
   // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   Serial.println("Trying to get an IP address using DHCP");

libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino

@@ -30,7 +30,9 @@ EthernetClient client;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/PachubeClient/PachubeClient.ino

@@ -55,7 +55,9 @@ const unsigned long postingInterval = 10*1000; //delay between updates to Pachub
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
  // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/PachubeClientString/PachubeClientString.ino

@@ -57,7 +57,9 @@ const unsigned long postingInterval = 10*1000;  //delay between updates to Pachu
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // give the ethernet module time to boot up:
   delay(1000);

libraries/Ethernet/examples/TelnetClient/TelnetClient.ino

@@ -41,7 +41,9 @@ void setup() {
   Ethernet.begin(mac, ip);
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // give the Ethernet shield a second to initialize:
   delay(1000);

libraries/Ethernet/examples/TwitterClient/TwitterClient.ino

@@ -54,7 +54,9 @@ void setup() {
 
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // attempt a DHCP connection:
   Serial.println("Attempting to get an IP address using DHCP:");

libraries/Ethernet/examples/UdpNtpClient/UdpNtpClient.ino

@@ -40,7 +40,9 @@ void setup()
 {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start Ethernet and UDP
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/WebClient/WebClient.ino

@@ -29,7 +29,9 @@ EthernetClient client;
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection:
   if (Ethernet.begin(mac) == 0) {

libraries/Ethernet/examples/WebServer/WebServer.ino

@@ -32,7 +32,9 @@ EthernetServer server(80);
 void setup() {
  // Open serial communications and wait for port to open:
   Serial.begin(9600);
-  while(!Serial) ;
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
 
   // start the Ethernet connection and the server:
   Ethernet.begin(mac, ip);