diff --git a/grblHAL_Teensy4/src/T41BB5X_Pro_map.h b/grblHAL_Teensy4/src/T41BB5X_Pro_map.h
index 8d2bae5..dd16fd2 100644
--- a/grblHAL_Teensy4/src/T41BB5X_Pro_map.h
+++ b/grblHAL_Teensy4/src/T41BB5X_Pro_map.h
@@ -37,11 +37,12 @@
 #endif
 
 // Board has 2K FRAM
+/* supply problems...
 #undef EEPROM_ENABLE
 #undef EEPROM_IS_FRAM
 #define EEPROM_ENABLE   1
 #define EEPROM_IS_FRAM  1
-
+*/
 #define X_STEP_PIN          (2u)
 #define X_DIRECTION_PIN     (3u)
 #define X_ENABLE_PIN        (10u)
diff --git a/grblHAL_Teensy4/src/enet.c b/grblHAL_Teensy4/src/enet.c
index 107adff..ec6b16c 100644
--- a/grblHAL_Teensy4/src/enet.c
+++ b/grblHAL_Teensy4/src/enet.c
@@ -195,6 +195,43 @@ PROGMEM static const setting_detail_t ethernet_settings[] = {
     { Setting_WebSocketPort, Group_Networking, "Websocket port", NULL, Format_Int16, "####0", "1", "65535", Setting_NonCore, &ethernet.websocket_port, NULL, NULL }
 };
 
+#ifndef NO_SETTINGS_DESCRIPTIONS
+
+static const setting_descr_t ethernet_settings_descr[] = {
+    { Setting_NetworkServices, "Network services to enable. Consult driver documentation for availability.\\n\\n"
+                               "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+    { Setting_Hostname, "Network hostname.\\n\\n"
+                        "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+    { Setting_IpMode, "IP Mode.\\n\\n"
+                      "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+    { Setting_IpAddress, "Static IP address.\\n\\n"
+                         "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+    { Setting_Gateway, "Static gateway address.\\n\\n"
+                       "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+    { Setting_NetMask, "Static netmask.\\n\\n"
+                       "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+    { Setting_TelnetPort, "(Raw) Telnet port number listening for incoming connections.\\n\\n"
+                          "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+#if HTTP_ENABLE
+    { Setting_HttpPort, "HTTP port number listening for incoming connections.\\n\\n"
+                        "NOTE: A hard reset of the controller is required after changing network settings."
+    },
+#endif
+    { Setting_WebSocketPort, "Websocket port number listening for incoming connections.\\n\\n"
+                             "NOTE: A hard reset of the controller is required after changing network settings.\\n"
+                             "NOTE: WebUI requires this to be HTTP port number + 1."
+    }
+};
+
+#endif
+
 static void ethernet_settings_save (void)
 {
     hal.nvs.memcpy_to_nvs(nvs_address, (uint8_t *)&ethernet, sizeof(network_settings_t), true);
@@ -205,6 +242,10 @@ static setting_details_t details = {
     .n_groups = sizeof(ethernet_groups) / sizeof(setting_group_detail_t),
     .settings = ethernet_settings,
     .n_settings = sizeof(ethernet_settings) / sizeof(setting_detail_t),
+#ifndef NO_SETTINGS_DESCRIPTIONS
+    .descriptions = ethernet_settings_descr,
+    .n_descriptions = sizeof(ethernet_settings_descr) / sizeof(setting_descr_t),
+#endif
     .save = ethernet_settings_save,
     .load = ethernet_settings_load,
     .restore = ethernet_settings_restore
diff --git a/grblHAL_Teensy4/src/ioports.c b/grblHAL_Teensy4/src/ioports.c
index 79feb97..0dc3545 100644
--- a/grblHAL_Teensy4/src/ioports.c
+++ b/grblHAL_Teensy4/src/ioports.c
@@ -54,11 +54,24 @@ static const setting_detail_t aux_settings[] = {
     { Settings_IoPort_InvertOut, Group_AuxPorts, "Invert I/O Port outputs", NULL, Format_Bitfield, output_ports, NULL, NULL, Setting_NonCoreFn, aux_set_invert_out, aux_get_invert_out, is_setting_available },
 };
 
+#ifndef NO_SETTINGS_DESCRIPTIONS
+
+static const setting_descr_t aux_settings_descr[] = {
+    { Settings_IoPort_InvertIn, "Invert IOPort inputs." },
+    { Settings_IoPort_InvertOut, "Invert IOPort output." },
+};
+
+#endif
+
 static setting_details_t details = {
     .groups = aux_groups,
     .n_groups = sizeof(aux_groups) / sizeof(setting_group_detail_t),
     .settings = aux_settings,
     .n_settings = sizeof(aux_settings) / sizeof(setting_detail_t),
+#ifndef NO_SETTINGS_DESCRIPTIONS
+    .descriptions = aux_settings_descr,
+    .n_descriptions = sizeof(aux_settings_descr) / sizeof(setting_descr_t),
+#endif
     .load = aux_settings_load,
     .save = settings_write_global
 };
diff --git a/grblHAL_Teensy4/src/my_machine.h b/grblHAL_Teensy4/src/my_machine.h
index fa5aa14..ee9a002 100644
--- a/grblHAL_Teensy4/src/my_machine.h
+++ b/grblHAL_Teensy4/src/my_machine.h
@@ -49,7 +49,7 @@ N_AXIS has a default value of 3, edit grbl\config.h to increase.
 
 */
 
-//#define USB_SERIAL_CDC      2 // 1 for Arduino class library and 2 for PJRC C library. Comment out to use UART communication.
+#define USB_SERIAL_CDC      2 // 1 for Arduino class library and 2 for PJRC C library. Comment out to use UART communication.
 //#define USB_SERIAL_WAIT     1 // Wait for USB connection before starting grblHAL.
 //#define BLUETOOTH_ENABLE    1 // Set to 1 for HC-05 module. Requires Bluetooth plugin.
 //#define SPINDLE_HUANYANG    1 // Set to 1 or 2 for Huanyang VFD spindle. Requires spindle plugin.