The maintenance firmware (MFW) will check the following information againt firmware(LFW) device header, if they are not identical, the MFW will not install the new firmware.
To load the new firmware, the device header of firmware should be changed using Tag list Editor or the information on netX 90 flash device lable (FDL) should be changed accordingly.
Manufacture ID
Device class
Hardware compatiblility
Hardware options