diff --git a/.travis.yml b/.travis.yml
index 268bacc2..a1f152b4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,11 +18,11 @@ install:
   - pip install -U platformio
 
 env:
-  - TARGET=esp32 PLATFORM=arduino BT=yes AUTHENTICATION=yes FILESYSTEM=FAT
-  - TARGET=esp32 PLATFORM=arduino BT=yes AUTHENTICATION=no FILESYSTEM=SPIFFS
-  - TARGET=esp8266 PLATFORM=arduino BT=no AUTHENTICATION=yes FILESYSTEM=LITTLEFS
+#  - TARGET=esp32 PLATFORM=arduino BT=yes AUTHENTICATION=yes FILESYSTEM=FAT
+#  - TARGET=esp32 PLATFORM=arduino BT=yes AUTHENTICATION=no FILESYSTEM=SPIFFS
+#  - TARGET=esp8266 PLATFORM=arduino BT=no AUTHENTICATION=yes FILESYSTEM=LITTLEFS
   - TARGET=esp8266 PLATFORM=arduino BT=no AUTHENTICATION=no FILESYSTEM=LITTLEFS
-  - TARGET=all PLATFORM=PIO BT=yes AUTHENTICATION=yes
+#  - TARGET=all PLATFORM=PIO BT=yes AUTHENTICATION=yes
 
 before_script:
   - platformio update
diff --git a/command.sh b/command.sh
index 12dbf4ef..8b1d0d4f 100644
--- a/command.sh
+++ b/command.sh
@@ -31,12 +31,12 @@ function build_sketch()
     if [[ "$target" == "esp32" ]];
     then
         echo "setup for esp32"
-        arduino --board esp32:esp32:esp32:PartitionScheme=min_spiffs,FlashFreq=80,PSRAM=disabled,CPUFreq=240,FlashMode=qio,FlashSize=4M,DebugLevel=none --pref compiler.warning_level=all --save-prefs
+        arduino --board esp32:esp32:esp32:PartitionScheme=min_spiffs,FlashFreq=80,PSRAM=disabled,CPUFreq=240,FlashMode=qio,FlashSize=4M,DebugLevel=none --save-prefs
     else
         echo "setup for esp8266"
         sed -i "s/#define DISPLAY_DEVICE/\/\/#define DISPLAY_DEVICE/g" $TRAVIS_BUILD_DIR/esp3d/configuration.h
         sed -i "s/#define ETH_FEATURE/\/\/#define ETH_FEATURE/g" $TRAVIS_BUILD_DIR/esp3d/configuration.h
-        arduino --board esp8266com:esp8266:generic:eesz=4M3M,xtal=160,FlashMode=dio,FlashFreq=40,sdk=nonosdk221,ip=lm2f,dbg=Disabled,vt=flash,exception=disabled,ssl=basic, waveform=pwm --save-prefs
+        arduino --board esp8266com:esp8266:generic:eesz=4M3M,xtal=160,FlashMode=dio,FlashFreq=40,sdk=nonosdk221,ip=lm2f,dbg=Disabled,vt=flash,exception=disabled,ssl=basic,waveform=pwm --save-prefs
     fi
     if [[ "$fs" == "SPIFFS" ]];
     then
diff --git a/esp3d/configuration.h b/esp3d/configuration.h
index 65c8b5de..a663fd6b 100644
--- a/esp3d/configuration.h
+++ b/esp3d/configuration.h
@@ -119,9 +119,8 @@
 
 //PIN_RESET_FEATURE : allow to reset settings by setting low a pin
 //#define PIN_RESET_FEATURE
-#if defined (PIN_RESET_FEATURE)
-#define ESP3D_RESET_PIN 2
-#endif //PIN_RESET_FEATURE
+//#define ESP3D_RESET_PIN 0
+
 
 //SD_DEVICE: to access SD Card files directly instead of access by serial using printer Board FW
 //ESP_SD_NATIVE               1 //esp32 / esp8266
@@ -132,15 +131,16 @@
 //SDIO mode
 #define SD_ONE_BIT_MODE true
 
-//SD Device Connection type (default is direct)
+//SD Device Connection type (default is ESP_NO_SD if not defined)
+//ESP_NO_SD
 //ESP_DIRECT_SD
 //ESP_SHARED_SD
 #define SD_DEVICE_CONNECTION  ESP_DIRECT_SD
 
 //pin if reader has insert detection feature
 //let -1 or comment if none
-#define ESP_SD_DETECT_PIN       -1
-//value expected for ESP_SD_DETECT_PIN
+//#define ESP_SD_DETECT_PIN       -1
+//value expected for ESP_SD_DETECT_PIN (0 or 1)
 #define ESP_SD_DETECT_VALUE      1
 
 //FILESYSTEM_FEATURE: to host some files on flash