diff -ur a/hardware/arduino/cores/arduino/CDC.cpp b/hardware/arduino/cores/arduino/CDC.cpp
--- a/hardware/arduino/cores/arduino/CDC.cpp	2012-10-02 21:28:19.000000000 +0200
+++ b/hardware/arduino/cores/arduino/CDC.cpp	2014-05-05 15:00:45.714075984 +0200
@@ -138,6 +138,11 @@
 {
 }
 
+void WEAK CDC_accept(void)
+{
+	Serial.accept();
+}
+
 void Serial_::accept(void) 
 {
 	ring_buffer *buffer = &cdc_rx_buffer;
diff -ur a/hardware/arduino/cores/arduino/USBAPI.h b/hardware/arduino/cores/arduino/USBAPI.h
--- a/hardware/arduino/cores/arduino/USBAPI.h	2012-10-02 21:28:19.000000000 +0200
+++ b/hardware/arduino/cores/arduino/USBAPI.h	2014-05-05 11:52:14.345644654 +0200
@@ -174,6 +174,8 @@
 int		CDC_GetDescriptor(int i);
 bool	CDC_Setup(Setup& setup);
 
+void CDC_accept(void);
+
 //================================================================================
 //================================================================================
 
@@ -192,4 +194,4 @@
 
 #endif
 
-#endif /* if defined(USBCON) */
\ Pas de fin de ligne à la fin du fichier
+#endif /* if defined(USBCON) */
diff -ur a/hardware/arduino/cores/arduino/USBCore.cpp b/hardware/arduino/cores/arduino/USBCore.cpp
--- a/hardware/arduino/cores/arduino/USBCore.cpp	2012-10-02 21:28:19.000000000 +0200
+++ b/hardware/arduino/cores/arduino/USBCore.cpp	2014-05-05 14:07:31.033024833 +0200
@@ -49,19 +49,19 @@
 	0x0409	// English
 };
 
-const u16 STRING_IPRODUCT[17] = {
-	(3<<8) | (2+2*16),
+const u16 STRING_IPRODUCT[13] = {
+	(3<<8) | (2+2*12),
 #if USB_PID == 0x8036	
-	'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o'
+	'D','M','X','v','3',' ','M','i','c','r','o'
 #else
 	'U','S','B',' ','I','O',' ','B','o','a','r','d',' ',' ',' ',' '
 #endif
 };
 
-const u16 STRING_IMANUFACTURER[12] = {
-	(3<<8) | (2+2*11),
+const u16 STRING_IMANUFACTURER[11] = {
+	(3<<8) | (2+2*10),
 #if USB_VID == 0x2341
-	'A','r','d','u','i','n','o',' ','L','L','C'
+	'L','o','u','p','i','o','t','t','e','s'
 #else
 	'U','n','k','n','o','w','n',' ',' ',' ',' '
 #endif
@@ -604,13 +604,13 @@
 #ifdef CDC_ENABLED
 		USB_Flush(CDC_TX);				// Send a tx frame if found
 		while (USB_Available(CDC_RX))	// Handle received bytes (if any)
-			Serial.accept();
+			CDC_accept();
 #endif
 		
 		// check whether the one-shot period has elapsed.  if so, turn off the LED
-		if (TxLEDPulse && !(--TxLEDPulse))
+		//if (TxLEDPulse && !(--TxLEDPulse))
 			TXLED0;
-		if (RxLEDPulse && !(--RxLEDPulse))
+		//if (RxLEDPulse && !(--RxLEDPulse))
 			RXLED0;
 	}
 }
diff -ur a/hardware/arduino/cores/arduino/USBDesc.h b/hardware/arduino/cores/arduino/USBDesc.h
--- a/hardware/arduino/cores/arduino/USBDesc.h	2012-10-02 21:28:19.000000000 +0200
+++ b/hardware/arduino/cores/arduino/USBDesc.h	2014-05-05 14:00:00.523148732 +0200
@@ -17,7 +17,7 @@
 */
 
 #define CDC_ENABLED
-#define HID_ENABLED
+//#define HID_ENABLED
 
 
 #ifdef CDC_ENABLED