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For integrated requirement of the vehicle management computer about new generation fighter plane, at home and abroad, the researching of technology for the Innovative fault-tolerant computers system is developing.The ARINC659 backplane bus is famous as a key shared resource in the integrated avionics system, and it has remarkable advantages such as real time, throughput, immunity and tolerance from various upsets in a harsh environment. It is slated to become the standard backplane bus for commercial avionics, and the backplane bus is one of the key technologies in integrated modular avionics system. Lately years, consequently the research of fault tolerant computers based on ARINC659 is key point and hot point in the high dependable avionics system. The paper indicates the new fault tolerant computer architecture based on ARINC659, redundant management, fault diagnosis and seclusion.