A computer program product for locating a target computer device in an array includes computer usable program code for designating a first computer device as a first point of an axis of a reference coordinate system and designating a second computer device as a second point of the axis. The product includes computer usable program code for registering the connection of a first cable from a target computer device to the first computer device and detecting the connection of a second cable from the target computer device to the second computer device, computer usable program code for determining the length of each of the first and second cables, and computer usable program code for determining the location of the target computer device within the reference coordinate system according to the length of the first cable, the length of the second cable, and locations of the first and second computer devices.