diff --git a/Modules/Mainframe/Config/TM/DeviceModelSystem.xml b/Modules/Mainframe/Config/TM/DeviceModelSystem.xml
index ed20368..29fa460 100644
--- a/Modules/Mainframe/Config/TM/DeviceModelSystem.xml
+++ b/Modules/Mainframe/Config/TM/DeviceModelSystem.xml
@@ -213,10 +213,10 @@
     <Buffer id="Buffer" module="Buffer"  display="" schematicId="" unit="" />
   </Buffers>
 
-  <IoCassettes classType="Aitex.Core.RT.Device.Devices.IoCassette" assembly="MECF.Framework.RT.EquipmentLibrary">
+  <!--<IoCassettes classType="Aitex.Core.RT.Device.Devices.IoCassette" assembly="MECF.Framework.RT.EquipmentLibrary">
     <IoCassette id="LeftWaferCassette"			module="CassAL" display="" schematicId="" unit="" di="DI_WaferCassetLeftInch8" />
     <IoCassette id="RightWaferCassette"			module="CassAR" display="" schematicId="" unit="" di="DI_WaferCassetRightInch8" />
     <IoCassette id="TrayCassette"			module="CassBL" display="" schematicId="" unit="" di="DI_TrayCassetInch8" />
-  </IoCassettes>
+  </IoCassettes>-->
 	
 </DeviceModelDefine>
\ No newline at end of file