diff --git a/RepRaptor.pro b/RepRaptor.pro
index 1d65d70..6c423e0 100644
--- a/RepRaptor.pro
+++ b/RepRaptor.pro
@@ -20,20 +20,24 @@ SOURCES += main.cpp\
     aboutwindow.cpp \
     errorwindow.cpp \
     erroricon.cpp \
-    sdwindow.cpp
+    sdwindow.cpp \
+    eepromwindow.cpp
 
 HEADERS  += mainwindow.h \
     settingswindow.h \
     aboutwindow.h \
     errorwindow.h \
     erroricon.h \
-    sdwindow.h
+    sdwindow.h \
+    repraptor.h \
+    eepromwindow.h
 
 FORMS    += mainwindow.ui \
     settingswindow.ui \
     aboutwindow.ui \
     errorwindow.ui \
-    sdwindow.ui
+    sdwindow.ui \
+    eepromwindow.ui
 
 RESOURCES += \
     graphics.qrc
diff --git a/eepromwindow.cpp b/eepromwindow.cpp
new file mode 100644
index 0000000..0365fd2
--- /dev/null
+++ b/eepromwindow.cpp
@@ -0,0 +1,47 @@
+#include "eepromwindow.h"
+#include "ui_eepromwindow.h"
+
+EEPROMWindow::EEPROMWindow(QStringList eepromLines, QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::EEPROMWindow)
+{
+    ui->setupUi(this);
+
+    QLayout *layout = new QVBoxLayout();
+    foreach (QString str, eepromLines)
+    {
+        str.remove("EPR:");
+        int T, P;
+        double S;
+
+        QStringList tmp = str.split(' ');
+
+        T = tmp.at(0).toInt();
+        P = tmp.at(1).toInt();
+        S = tmp.at(2).toDouble();
+
+        QString msg;
+        for(int i = 3; i < tmp.size(); i++) msg+=(tmp.at(i) + " ");
+
+        QLayout *line = new QHBoxLayout();
+
+        QLabel *label = new QLabel(msg, this);
+        QLineEdit *edit = new QLineEdit(QString::number(S),this);
+
+        line->addWidget(label);
+        line->addWidget(edit);
+
+        layout->addItem(line);
+    }
+    ui->eepromWidgets->setLayout(layout);
+}
+
+EEPROMWindow::~EEPROMWindow()
+{
+    delete ui;
+}
+
+void EEPROMWindow::on_buttonBox_accepted()
+{
+
+}
diff --git a/eepromwindow.h b/eepromwindow.h
new file mode 100644
index 0000000..9b2f946
--- /dev/null
+++ b/eepromwindow.h
@@ -0,0 +1,28 @@
+#ifndef EEPROMWINDOW_H
+#define EEPROMWINDOW_H
+
+#include <QDialog>
+#include <QtWidgets>
+
+namespace Ui {
+class EEPROMWindow;
+}
+
+class EEPROMWindow : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit EEPROMWindow(QStringList eepromLines, QWidget *parent = 0);
+    ~EEPROMWindow();
+
+private:
+    Ui::EEPROMWindow *ui;
+
+signals:
+    void changesComplete(QStringList changed);
+private slots:
+    void on_buttonBox_accepted();
+};
+
+#endif // EEPROMWINDOW_H
diff --git a/eepromwindow.ui b/eepromwindow.ui
new file mode 100644
index 0000000..b3ad01f
--- /dev/null
+++ b/eepromwindow.ui
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EEPROMWindow</class>
+ <widget class="QDialog" name="EEPROMWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>287</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>EEPROM Editor</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QScrollArea" name="scrollArea">
+     <property name="widgetResizable">
+      <bool>true</bool>
+     </property>
+     <widget class="QWidget" name="eepromWidgets">
+      <property name="geometry">
+       <rect>
+        <x>0</x>
+        <y>0</y>
+        <width>267</width>
+        <height>251</height>
+       </rect>
+      </property>
+     </widget>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+     <property name="centerButtons">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>EEPROMWindow</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>227</x>
+     <y>282</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>EEPROMWindow</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>277</x>
+     <y>288</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/graphics.qrc b/graphics.qrc
index b04c82a..a96caec 100644
--- a/graphics.qrc
+++ b/graphics.qrc
@@ -9,5 +9,6 @@
         <file>icons/settings.png</file>
         <file>icons/about.png</file>
         <file>icons/exit.png</file>
+        <file>icons/eeprom.png</file>
     </qresource>
 </RCC>
diff --git a/icons/eeprom.png b/icons/eeprom.png
new file mode 100644
index 0000000..4c71a24
Binary files /dev/null and b/icons/eeprom.png differ
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 30d99ba..2efc018 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -16,6 +16,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->pauseBtn->setDisabled(true);
     ui->actionPrint_from_SD->setDisabled(true);
     ui->actionSet_SD_printing_mode->setDisabled(true);
+    ui->actionEEPROM_editor->setDisabled(true);
 
     ui->baudbox->addItem(QString::number(4800));
     ui->baudbox->addItem(QString::number(9600));
@@ -47,6 +48,9 @@ MainWindow::MainWindow(QWidget *parent) :
     sendingChecksum = settings.value("core/checksums").toBool();
     chekingSDStatus = settings.value("core/checksdstatus").toBool();
 
+    if(firstrun) firmware = OtherFirmware;
+    else firmware = settings.value("printer/firmware").toInt();
+
     sending = false;
     paused = false;
     readingFiles = false;
@@ -55,6 +59,8 @@ MainWindow::MainWindow(QWidget *parent) :
     userCommand = "";
     currentLine = 0;
     readyRecieve = 0;
+    readingEEPROM = false;
+    EEPROMReadingStarted = false;
 
     temperatureRegxp.setCaseSensitivity(Qt::CaseInsensitive);
     temperatureRegxp.setPatternSyntax(QRegExp::RegExp);
@@ -74,6 +80,7 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(&sdWatcher, SIGNAL(finished()), this, SLOT(updateSDStatus()));
     connect(this, SIGNAL(sdReady()), this, SLOT(initSDprinting()));
     connect(&progressSDTimer, SIGNAL(timeout()), this, SLOT(checkSDStatus()));
+    connect(this, SIGNAL(eepromReady()), this, SLOT(openEEPROMeditor()));
 
     if(settings.value("core/statusinterval").toInt()) statusTimer.setInterval(settings.value("core/statusinterval").toInt());
     else statusTimer.setInterval(3000);
@@ -89,6 +96,12 @@ MainWindow::MainWindow(QWidget *parent) :
     tempWarning.setInterval(10000);
 
     sinceLastTemp.start();
+
+    #ifdef QT_DEBUG
+    ui->actionEEPROM_editor->setEnabled(true);
+    #else
+    ui->actionEEPROM_editor->setDisabled(true);
+    #endif
 }
 
 MainWindow::~MainWindow()
@@ -240,6 +253,7 @@ void MainWindow::serialconnect()
             ui->consoleGroup->setDisabled(false);
             ui->actionPrint_from_SD->setEnabled(true);
             ui->actionSet_SD_printing_mode->setEnabled(true);
+            if(firmware != OtherFirmware) ui->actionEEPROM_editor->setDisabled(false);
             //if(checkingTemperature) injectCommand("M105");
         }
     }
@@ -256,6 +270,7 @@ void MainWindow::serialconnect()
         ui->consoleGroup->setDisabled(true);
         ui->actionPrint_from_SD->setDisabled(true);
         ui->actionSet_SD_printing_mode->setDisabled(true);
+        ui->actionEEPROM_editor->setDisabled(false);
      }
 }
 
@@ -454,6 +469,27 @@ void MainWindow::readSerial()
             return;
         }
 
+        if(readingEEPROM)
+        {
+            if(firmware == Repetier)
+            {
+                if(data.startsWith("EPR"))
+                {
+                    EEPROMSettings.append(data);
+                    EEPROMReadingStarted = true;
+                }
+                else if(EEPROMReadingStarted)
+                {
+                    readingEEPROM = false;
+                    EEPROMReadingStarted = false;
+                    emit eepromReady();
+                }
+
+                printMsg(QString(data)); //echo
+                return;
+            }
+        }
+
         if(data.startsWith("ok")) readyRecieve++;
         else if(checkingTemperature && data.startsWith("T:"))
         {
@@ -466,7 +502,7 @@ void MainWindow::readSerial()
         {
             if(gcode.isEmpty())
             {
-                injectCommand("M110"); //This means we rebooted, file is gone, so we need to reset counter
+                injectCommand("M110 N0"); //This means we rebooted, file is gone, so we need to reset counter
                 return;
             }
             int err = data.split(':')[1].toInt();
@@ -583,6 +619,7 @@ void MainWindow::sendNext()
                                    + QString("/")
                                    + QString::number(currentLine)
                                    + QString(" Lines"));
+            if(sendingChecksum) injectCommand("M110 N0");
             return;
         }
         sendLine(gcode.at(currentLine));
@@ -619,10 +656,11 @@ void MainWindow::on_pauseBtn_clicked()
 
 void MainWindow::checkStatus()
 {
-    if(checkingTemperature &&
-            (sinceLastTemp.elapsed() > statusTimer.interval())
+    if(checkingTemperature
+            &&(sinceLastTemp.elapsed() > statusTimer.interval())
             && statusWatcher.isFinished()
-            && !readingFiles) injectCommand("M105");
+            && !readingFiles
+            && !readingEEPROM) injectCommand("M105");
 }
 
 void MainWindow::on_checktemp_stateChanged(int arg1)
@@ -678,6 +716,7 @@ void MainWindow::serialError(QSerialPort::SerialPortError error)
     ui->consoleGroup->setDisabled(true);
     ui->actionPrint_from_SD->setDisabled(true);
     ui->actionSet_SD_printing_mode->setDisabled(true);
+    ui->actionEEPROM_editor->setDisabled(true);
 
     qDebug() << error;
 
@@ -859,3 +898,41 @@ void MainWindow::on_actionSet_SD_printing_mode_triggered()
     sdprinting = true;
     ui->fileBox->setDisabled(false);
 }
+
+void MainWindow::requestEEPROMSettings()
+{
+    userCommands.clear();
+
+    switch(firmware)
+    {
+    case Marlin:
+        injectCommand("M501");
+        break;
+    case Repetier:
+        injectCommand("M205");
+        break;
+    case OtherFirmware:
+        return;
+    }
+
+   readingEEPROM = true;
+}
+
+void MainWindow::on_actionEEPROM_editor_triggered()
+{
+    requestEEPROMSettings();
+}
+
+void MainWindow::openEEPROMeditor()
+{
+    EEPROMWindow eepromwindow(EEPROMSettings, this);
+
+    connect(&eepromwindow, SIGNAL(changesComplete(QStringList)), this, SLOT(sendEEPROMsettings(QStringList)));
+
+    eepromwindow.exec();
+}
+
+void MainWindow::sendEEPROMsettings(QStringList changes)
+{
+
+}
diff --git a/mainwindow.h b/mainwindow.h
index 7af73be..4631bb2 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -18,17 +18,15 @@
 #include "aboutwindow.h"
 #include "errorwindow.h"
 #include "sdwindow.h"
+#include "repraptor.h"
+#include "eepromwindow.h"
 
+using namespace RepRaptor;
 
 namespace Ui {
 class MainWindow;
 }
 
-typedef struct
-{
-    double e, b;
-} TemperatureReadings;
-
 class MainWindow : public QMainWindow
 {
     Q_OBJECT
@@ -49,6 +47,7 @@ protected:
     QSettings settings;
     QStringList recentFiles;
     QStringList sdFiles;
+    QStringList EEPROMSettings;
     QFutureWatcher<TemperatureReadings> statusWatcher;
     QFutureWatcher<double> sdWatcher;
     QRegExp temperatureRegxp;
@@ -66,10 +65,13 @@ private:
     bool paused;
     bool checkingTemperature;
     bool readingFiles;
+    bool readingEEPROM;
+    bool EEPROMReadingStarted;
     bool sdprinting;
     bool echo;
     bool sendingChecksum;
     bool chekingSDStatus;
+    int firmware;
     long int currentLine;
     int readyRecieve;
     unsigned long int sdBytes;
@@ -95,6 +97,9 @@ private slots:
     void updateSDStatus();
     TemperatureReadings parseStatus(QByteArray data);
     double parseSDStatus(QByteArray data);
+    void requestEEPROMSettings();
+    void openEEPROMeditor();
+    void sendEEPROMsettings(QStringList changes);
 
     void xplus();
     void yplus();
@@ -140,8 +145,11 @@ private slots:
 
     void on_actionSet_SD_printing_mode_triggered();
 
+    void on_actionEEPROM_editor_triggered();
+
 signals:
     void sdReady();
+    void eepromReady();
 };
 
 #endif // MAINWINDOW_H
diff --git a/mainwindow.ui b/mainwindow.ui
index c2ff79a..0c6695d 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -1076,6 +1076,8 @@ STOP</string>
     </property>
     <addaction name="actionPrint_from_SD"/>
     <addaction name="actionSet_SD_printing_mode"/>
+    <addaction name="separator"/>
+    <addaction name="actionEEPROM_editor"/>
    </widget>
    <addaction name="menuFile"/>
    <addaction name="menuTools"/>
@@ -1200,6 +1202,21 @@ STOP</string>
     <string>Set SD printing mode</string>
    </property>
   </action>
+  <action name="actionEEPROM_editor">
+   <property name="enabled">
+    <bool>true</bool>
+   </property>
+   <property name="icon">
+    <iconset resource="graphics.qrc">
+     <normaloff>:/icons/eeprom.png</normaloff>:/icons/eeprom.png</iconset>
+   </property>
+   <property name="text">
+    <string>EEPROM editor</string>
+   </property>
+   <property name="toolTip">
+    <string>To use EEPROM editor you need to set firmware in settings</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources>
@@ -1561,5 +1578,6 @@ STOP</string>
   <slot>ezero()</slot>
   <slot>yhome()</slot>
   <slot>bedcenter()</slot>
+  <slot>requestEEPROMSettings()</slot>
  </slots>
 </ui>
diff --git a/repraptor.h b/repraptor.h
new file mode 100644
index 0000000..72d4b06
--- /dev/null
+++ b/repraptor.h
@@ -0,0 +1,20 @@
+#ifndef REPRAPTOR_H
+#define REPRAPTOR_H
+
+namespace RepRaptor
+{
+    typedef struct
+    {
+        double e, b;
+    } TemperatureReadings;
+
+    enum Firmware
+    {
+        Marlin,
+        Repetier,
+        OtherFirmware
+    };
+}
+
+#endif // REPRAPTOR_H
+
diff --git a/settingswindow.cpp b/settingswindow.cpp
index b57ac9e..01d6d51 100644
--- a/settingswindow.cpp
+++ b/settingswindow.cpp
@@ -28,6 +28,19 @@ SettingsWindow::SettingsWindow(QWidget *parent) :
     ui->checksumbox->setChecked(settings.value("core/checksums").toBool());
     ui->sdbox->setChecked(settings.value("core/checksdstatus").toBool());
 
+    ui->firmwarecombo->addItem("Marlin");
+    ui->firmwarecombo->addItem("Repetier");
+    ui->firmwarecombo->addItem("Other");
+
+    if(firstrun) ui->firmwarecombo->setCurrentIndex(OtherFirmware);
+    else ui->firmwarecombo->setCurrentIndex(settings.value("printer/firmware").toInt());
+
+    #ifdef QT_DEBUG
+    ui->checksumbox->setEnabled(true);
+    #else
+    ui->checksumbox->setDisabled(true);
+    #endif
+
 }
 
 SettingsWindow::~SettingsWindow()
@@ -45,4 +58,5 @@ void SettingsWindow::on_buttonBox_accepted()
     settings.setValue("core/lockcontrols", ui->lockbox->isChecked());
     settings.setValue("core/checksums", ui->checksumbox->isChecked());
     settings.setValue("core/checksdstatus", ui->sdbox->isChecked());
+    settings.setValue("printer/firmware", ui->firmwarecombo->currentIndex());
 }
diff --git a/settingswindow.h b/settingswindow.h
index 1851a00..4dd6dba 100644
--- a/settingswindow.h
+++ b/settingswindow.h
@@ -3,6 +3,9 @@
 
 #include <QDialog>
 #include <QSettings>
+#include "repraptor.h"
+
+using namespace RepRaptor;
 
 namespace Ui {
 class SettingsWindow;
diff --git a/settingswindow.ui b/settingswindow.ui
index 8468937..3880247 100644
--- a/settingswindow.ui
+++ b/settingswindow.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>253</width>
-    <height>330</height>
+    <height>386</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -113,7 +113,7 @@
       <item row="6" column="0">
        <widget class="QCheckBox" name="checksumbox">
         <property name="enabled">
-         <bool>false</bool>
+         <bool>true</bool>
         </property>
         <property name="text">
          <string>Checksums</string>
@@ -164,14 +164,7 @@
       <string>Printer</string>
      </property>
      <layout class="QGridLayout" name="gridLayout_2">
-      <item row="0" column="0">
-       <widget class="QLabel" name="label_5">
-        <property name="text">
-         <string>Bed size</string>
-        </property>
-       </widget>
-      </item>
-      <item row="0" column="1">
+      <item row="1" column="1">
        <widget class="QSpinBox" name="bedxbox">
         <property name="minimum">
          <number>1</number>
@@ -181,14 +174,14 @@
         </property>
        </widget>
       </item>
-      <item row="0" column="2">
+      <item row="1" column="2">
        <widget class="QLabel" name="label_6">
         <property name="text">
          <string>X</string>
         </property>
        </widget>
       </item>
-      <item row="0" column="3">
+      <item row="1" column="3">
        <widget class="QSpinBox" name="bedybox">
         <property name="minimum">
          <number>1</number>
@@ -198,6 +191,23 @@
         </property>
        </widget>
       </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_5">
+        <property name="text">
+         <string>Bed size</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QLabel" name="label_8">
+        <property name="text">
+         <string>Firmware</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1" colspan="3">
+       <widget class="QComboBox" name="firmwarecombo"/>
+      </item>
      </layout>
     </widget>
    </item>
@@ -209,6 +219,9 @@
      <property name="standardButtons">
       <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
      </property>
+     <property name="centerButtons">
+      <bool>true</bool>
+     </property>
     </widget>
    </item>
   </layout>
@@ -224,8 +237,8 @@
    <slot>accept()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>248</x>
-     <y>254</y>
+     <x>243</x>
+     <y>376</y>
     </hint>
     <hint type="destinationlabel">
      <x>157</x>
@@ -240,11 +253,11 @@
    <slot>reject()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>316</x>
-     <y>260</y>
+     <x>243</x>
+     <y>376</y>
     </hint>
     <hint type="destinationlabel">
-     <x>286</x>
+     <x>252</x>
      <y>274</y>
     </hint>
    </hints>