Patent ID: 7599194

Claim:
A redundant board assembly comprising: a first board sub-assembly and a second board sub-assembly, said first and second board sub-assemblies each having a first functionality; a module interconnect card configured to mechanically and electronically interconnect said first and second board sub-assemblies; said first board sub-assembly configured to compensate for a loss of functionality when said second board sub-assembly exhibits a second functionality that is different from said first functionality; said first board sub-assembly comprising: a first card having a first end configured to interface with a backplane, and a second end; and a second card configured to removeably attach, mechanically and electrically, to said second end of said first card, said second card being configured to communicate with said first card and the backplane; and said second board sub-assembly comprising: a third card having a third end configured to interface with the backplane, and a fourth end; and a fourth card configured to removeably attach, mechanically and electrically, to said fourth end of said third card, said fourth card being configured to communicate with said third card and the backplane.