Patent ID: 7502326

Claim:
A method for performing automated at-speed testing of a plurality of devices, comprising: coupling each multiplexer in a set of multiplexers, the set of multiplexers being on a rider board, to a corresponding pin of the plurality of devices, the plurality of devices being on a device under test board; using multiplexer control signals to provide various signal paths through the rider board between the set of multiplexers and the plurality of devices; and routing test signals along respective ones of the various signal paths between the rider board and the plurality of devices on the device under test board, the test signals having multiple gigabit per second (MGBPS) baud rates and the test signals being generated in: (a) an original one of the devices in the plurality of devices, (b) a testing system, back to the original one of the devices in the plurality of devices, and (c) an adjacent one of the devices in the plurality of devices.