diff --git a/src/calibre/devices/hanvon/driver.py b/src/calibre/devices/hanvon/driver.py
index 192c3e7fdb..ea8d604dd5 100644
--- a/src/calibre/devices/hanvon/driver.py
+++ b/src/calibre/devices/hanvon/driver.py
@@ -23,7 +23,7 @@ class N516(USBMS):
 
     VENDOR_ID   = [0x0525]
     PRODUCT_ID  = [0xa4a5]
-    BCD         = [0x323]
+    BCD         = [0x323, 0x326]
 
     VENDOR_NAME      = 'INGENIC'
     WINDOWS_MAIN_MEM = '_FILE-STOR_GADGE'
diff --git a/src/calibre/gui2/notify.py b/src/calibre/gui2/notify.py
index 76f32c5ce6..009f94c4c3 100644
--- a/src/calibre/gui2/notify.py
+++ b/src/calibre/gui2/notify.py
@@ -85,6 +85,8 @@ class QtNotifier(Notifier):
     def __call__(self, body, summary=None, replaces_id=None, timeout=0):
         timeout, body, summary = self.get_msg_parms(timeout, body, summary)
         if self.systray is not None:
+            if isosx and isinstance(body, unicode):
+                body = body.encode('utf-8')
             self.systray.showMessage(summary, body, self.systray.Information,
                     timeout)
 
@@ -127,10 +129,10 @@ def get_notifier(systray=None):
             ans = FDONotifier()
             if not ans.ok:
                 ans = None
-    if isosx:
-        ans = GrowlNotifier()
-        if not ans.ok:
-            ans = None
+    #if isosx:
+    #    ans = GrowlNotifier()
+    #    if not ans.ok:
+    #        ans = None
     if ans is None:
         ans = QtNotifier(systray)
         if not ans.ok: