diff --git a/src/calibre/devices/hanlin/driver.py b/src/calibre/devices/hanlin/driver.py
index f19135a7e7..3db55d05c5 100644
--- a/src/calibre/devices/hanlin/driver.py
+++ b/src/calibre/devices/hanlin/driver.py
@@ -119,22 +119,25 @@ class BOOX(HANLINV3):
     MAIN_MEMORY_VOLUME_LABEL  = 'BOOX Internal Memory'
     STORAGE_CARD_VOLUME_LABEL = 'BOOX Storage Card'
 
-    EBOOK_DIR_MAIN = ['MyBooks']
-    EXTRA_CUSTOMIZATION_MESSAGE = _('Comma separated list of directories to '
-            'send e-books to on the device. The first one that exists will '
-            'be used.')
+    EBOOK_DIR_MAIN = ['MyBooks', 'MyBooks']
+    EXTRA_CUSTOMIZATION_MESSAGE = _('Directories to send e-books to on the device. '
+                    'The first directory is used for main memory. '
+                    'The second is used for cards.')
     EXTRA_CUSTOMIZATION_DEFAULT = ', '.join(EBOOK_DIR_MAIN)
 
-    # EBOOK_DIR_CARD_A = 'MyBooks' ## Am quite sure we need this.
-
     def post_open_callback(self):
         opts = self.settings()
         dirs = opts.extra_customization
         if not dirs:
             dirs = self.EBOOK_DIR_MAIN
         else:
+            # will have at least one item ...
             dirs = [x.strip() for x in dirs.split(',')]
-        self.EBOOK_DIR_MAIN = dirs
+        self.EBOOK_DIR_MAIN = dirs[0]
+        if len(dirs) > 1:
+            self.EBOOK_DIR_CARD_A = self.EBOOK_DIR_CARD_B = dirs[1]
+        else:
+            self.EBOOK_DIR_CARD_A = self.EBOOK_DIR_CARD_B = dirs[0]
 
     def windows_sort_drives(self, drives):
         return drives
diff --git a/src/calibre/devices/usbms/driver.py b/src/calibre/devices/usbms/driver.py
index 1a088cc77c..73a329be58 100644
--- a/src/calibre/devices/usbms/driver.py
+++ b/src/calibre/devices/usbms/driver.py
@@ -58,7 +58,7 @@ class USBMS(CLI, Device):
 
         debug_print ('USBMS: Fetching list of books from device. oncard=', oncard)
 
-        dummy_bl = booklist_class(None, None, None)
+        dummy_bl = self.booklist_class(None, None, None)
 
         if oncard == 'carda' and not self._card_a_prefix:
             self.report_progress(1.0, _('Getting list of books on device...'))
@@ -78,6 +78,8 @@ class USBMS(CLI, Device):
             self.EBOOK_DIR_CARD_B if oncard == 'cardb' else \
             self.get_main_ebook_dir()
 
+        debug_print ('USBMS: dirs are:', prefix, ebook_dirs)
+
         # get the metadata cache
         bl = self.booklist_class(oncard, prefix, self.settings)
         need_sync = self.parse_metadata_cache(bl, prefix, self.METADATA_CACHE)
diff --git a/src/calibre/gui2/dialogs/config/add_save.ui b/src/calibre/gui2/dialogs/config/add_save.ui
index 35824ef847..9ded5d91c2 100644
--- a/src/calibre/gui2/dialogs/config/add_save.ui
+++ b/src/calibre/gui2/dialogs/config/add_save.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>588</width>
+    <width>599</width>
     <height>516</height>
    </rect>
   </property>
@@ -200,7 +200,7 @@ Title match ignores leading indefinite articles (&quot;the&quot;, &quot;a&quot;,
     <item>
      <widget class="QLabel" name="label_41">
       <property name="text">
-       <string>Choose 'Manual Management', to have Calibre update the metadata cache (not the book) and add collections when a book is sent. With this option, calibre will never remove a collection. Choose 'Calibre manages metadata when sending books' to have Calibre  update the metadata cache and add/remove collections when you send a book to the device. Choose 'Calibre manages metadata when device is connected' to have Calibre update the metadata cache and add/remove collections when you connect the device. </string>
+       <string>Choose 'Manual Management', to have Calibre update the metadata cache (not the book) and add collections when a book is sent. With this option, calibre will never remove a collection. Choose 'Calibre manages metadata when sending books' to have Calibre  update the metadata cache and add/remove collections for a book when it is sent to the device. Choose 'Calibre manages metadata when device is connected' to have Calibre update the metadata cache and add/remove collections when calibre connects to the device and when you send a book. </string>
       </property>
       <property name="textFormat">
        <enum>Qt::PlainText</enum>