An apparatus and method for exchanging information between printed circuit board assemblies of the present invention are disclosed. According to the invention, the number of address pins are assigned according to the amount of information to be exchanged between the boards. In a preferred embodiment, where data is transferred in 8 bit words, the amount of data that can be transferred using an address bits is given by 8.times.2.sup.n. Thus, more status information can be exchanged with fewer edge pins. The duplication function between boards can so be more effectively implemented.
Please note there is up to 60 days of latency in this Status indicator for certain status conditions. You can obtain up-to-date Status indicator readings by ordering PAIR for the file.
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