Following on from the news that it’s possible to run unsigned applications on the Xbox by using a loophole in EA’s Agent Under Fire, crackers have discovered how to mod the system without a physical modchip. The new system breaks open the Xbox for running third-party applications (including the Linux operating system) or pirated games just as effectively as standard mod chips, but the only physical alteration needed to the box is a very minor soldering task to link up two jumper points on the system board…