Figure showing the 6U single-wide alarm card (front) and alarm rear transition card (rear) installed in slot 1, an I/O cards or satellite CPU card (front) and I/O or satellite CPU rear transition card (rear) installed in slot 2, the host CPU card (front) and host CPU rear transition card (rear) installed in slot 3, and I/O cards or satellite CPU cards (front) and I/O or satellite CPU rear transition cards (rear) installed in slots 4 and 5. Cables for all cards extend from the rear of the server.