http://www.peertopatent.org/patent/74/prior_art/list In a computer system with multiple chips connected via a connection module with high speed elastic interface buses that support bus repair is enhanced by use of a spare net. Support is provided to ensure that the spare net can be tested in the same way that every normal bus net can be tested at all supported environments. It ensure that the system controller can find out what connections are bad and how to apply the controls to repair them for all tests and in the field for the customer. en-us System and method to support use of bus spare wires in connection modules Patent/Application #: PCT/US1981/001725<br/>Description: A hybrid circuit substrate is described that has electrically programmable means for providing spare nets to a bus. The spare nets are activated after the circuit is assembled and testing reveals a defective net. Sat, 19 Jul 2008 10:31:58 -0700 http://www.peertopatent.org/prior_art/224/detail