Method and apparatus for expanding a backplane interconnecting b

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364230, 3642304, 364240, 3642403, 3642409, 364DIG1, G06F 1340, G06F 1314

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active

053012810

ABSTRACT:
A method and apparatus for expanding a backplane interconnecting bus provides an architecture in which the width of a data bus can be expanded without new byte select control lines on the backplane bus. In the present invention, data lines and corresponding parity lines are added to the backplane bus, and control signal lines connect devices capable of utilizing the expanded bus capabilities. The control signal lines do not affect the operation of devices which are designed according to the narrower bus width, and therefore, these devices can be installed in the expanded bus backplane along with devices designed to utilize the expanded width data bus.

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