Patent ID: 7711878

Claim:
An agent, comprising: a first lane transmitter and a second lane transmitter to send first type of training sequence messages to remote receivers; and a first lane receiver and a second lane receiver to receive said first type messages from remote transmitters, wherein said first lane transmitter and said second lane transmitter to send said first type messages with acknowledgement over a point-to-point data interface when said first lane receiver and said second lane receiver receive a first number of said first type messages, wherein the first type messages are used by a remote receiver to determine intra-lane skew timing, wherein said first lane transmitter to delay sending said first type messages with acknowledgement until said second lane receiver receives said first number of said first type messages, wherein said first lane transmitter and said second lane transmitter to change from sending the first type of messages to sending a second type of training sequence message only after said first lane receiver and said second lane receiver correctly receive a second number of said first type messages with acknowledgement.