Patent ID: 6070211
Filing Date: 2000-05-30
Classification: G06F

Abstract:
A system for supporting differential signalling circuitry in an enhanced PCI bus within a data processing system, the enhanced PCI bus comprising a plurality of differential signal conductor pairs, comprising:a system for providing each of the plurality of differential signal pairs over a first line and a second line, the first line having a front end and a back end, the second line having a front end and a back end;a single-ended to differential driver for driving the first line and the second line with a small voltage change of equal amounts in opposite direction to change logic states;a differential to single-ended receiver for sensing a voltage change between the first line and the second line; anda termination network coupled to the first line and second line for terminating the first line and the second line;wherein the differential to single-ended receiver and the single-ended to differential driver allow the enhanced PCI bus to be compatible with a legacy PCI bus.