diff --git a/pycrate_sys/MBR.py b/pycrate_sys/MBR.py
new file mode 100644
index 0000000..889f27d
--- /dev/null
+++ b/pycrate_sys/MBR.py
@@ -0,0 +1,59 @@
+# -*- coding: UTF-8 -*-
+#/**
+# * Software Name : pycrate
+# * Version : 0.3
+# *
+# * Copyright 2018. Benoit Michau. ANSSI.
+# *
+# * This program is free software; you can redistribute it and/or
+# * modify it under the terms of the GNU General Public License
+# * as published by the Free Software Foundation; either version 2
+# * of the License, or (at your option) any later version.
+# * 
+# * This program is distributed in the hope that it will be useful,
+# * but WITHOUT ANY WARRANTY; without even the implied warranty of
+# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# * GNU General Public License for more details.
+# * 
+# * You should have received a copy of the GNU General Public License
+# * along with this program; if not, write to the Free Software
+# * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# * 02110-1301, USA.
+# *
+# *--------------------------------------------------------
+# * File Name : pycrate_sys/MBR.py
+# * Created : 2018-06-01
+# * Authors : Benoit Michau 
+# *--------------------------------------------------------
+#*/
+
+from pycrate_core.elt  import *
+from pycrate_core.base import *
+from pycrate_core.repr import *
+
+Buf.REPR_MAXLEN = 1024
+
+class PTE(Envelope):
+    """Partition Table Entry
+    """
+    _GEN = (
+        Uint('Active', bl=1),
+        Uint('Status', bl=7, repr=REPR_HEX),
+        Uint24('CHSAddrFirst', repr=REPR_HEX),
+        Uint8('Type'),
+        Uint24('CHSAddrLast', repr=REPR_HEX),
+        Uint32('LBA'),
+        Uint32('NumOfSectors')
+        )
+
+class MBR(Envelope):
+    """Master Boot Record
+    """
+    _GEN = (
+        Buf('Code', bl=0xDF0, rep=REPR_HD),
+        PTE('PTE_1'),
+        PTE('PTE_2'),
+        PTE('PTE_3'),
+        PTE('PTE_4'),
+        Uint16('55AA', rep=REPR_HEX)
+        )
diff --git a/pycrate_sys/__init__.py b/pycrate_sys/__init__.py
new file mode 100644
index 0000000..d6fccba
--- /dev/null
+++ b/pycrate_sys/__init__.py
@@ -0,0 +1,31 @@
+# -*- coding: UTF-8 -*-
+#/**
+# * Software Name : pycrate 
+# * Version : 0.3
+# *
+# * Copyright 2018. Benoit Michau. ANSSI.
+# *
+# * This library is free software; you can redistribute it and/or
+# * modify it under the terms of the GNU Lesser General Public
+# * License as published by the Free Software Foundation; either
+# * version 2.1 of the License, or (at your option) any later version.
+# *
+# * This library is distributed in the hope that it will be useful,
+# * but WITHOUT ANY WARRANTY; without even the implied warranty of
+# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# * Lesser General Public License for more details.
+# *
+# * You should have received a copy of the GNU Lesser General Public
+# * License along with this library; if not, write to the Free Software
+# * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
+# * MA 02110-1301  USA
+# *
+# *--------------------------------------------------------
+# * File Name : pycrate_sys/__init__.py
+# * Created : 2018-06-01
+# * Authors : Benoit Michau 
+# *--------------------------------------------------------
+#*/
+#
+__all__ = ['MBR']
+__version__ = '0.3.0'
diff --git a/setup.py b/setup.py
index b00aa0a..595c6b8 100644
--- a/setup.py
+++ b/setup.py
@@ -17,6 +17,7 @@ setup(
               "pycrate_csn1dir",
               "pycrate_mobile",
               "pycrate_corenet",
+              "pycrate_sys",
               ],
     test_suite="test.test_pycrate",