diff --git a/server/drivers/IOWarrior.c b/server/drivers/IOWarrior.c
index d423e61..948393b 100644
--- a/server/drivers/IOWarrior.c
+++ b/server/drivers/IOWarrior.c
@@ -308,7 +308,8 @@ PrivateData *p;
       /* Check if this device is a Code Mercenaries IO-Warrior */
       if ((dev->descriptor.idVendor == iowVendor) &&
          ((dev->descriptor.idProduct == iowProd24) ||
-          (dev->descriptor.idProduct == iowProd40))) {
+          (dev->descriptor.idProduct == iowProd40) ||
+          (dev->descriptor.idProduct == iowProd56))) {
 
         /* IO-Warrior found; try to find it's description and serial number */
         p->udh = usb_open(dev);
diff --git a/server/drivers/IOWarrior.h b/server/drivers/IOWarrior.h
index c4cac92..fab1ec0 100644
--- a/server/drivers/IOWarrior.h
+++ b/server/drivers/IOWarrior.h
@@ -39,6 +39,7 @@
 #define iowVendor		0x07c0   /* CodeMercs */
 #define iowProd40		0x1500   /* IOW40 */
 #define iowProd24		0x1501   /* IOW24 */
+#define iowProd56		0x1503   /* IOW56 */
 #define iowTimeout		1000
 
 #define USB_REQ_SET_REPORT	0x09