68 | Removing the I/O-BoardProcedure1 Remove the screws that secure the I/O-board assembly to the middle cover.2 Gently lift the I/O-board assembly from the middle cover and turn the I/O-boardassembly over.3 Press the securing clip and disconnect the power-port cable.4 Note the routing of the power-supply indicator cable and disconnect the cable fromthe power-supply unit.5 Lift the I/O-board assembly off the chassis.1 power-supply indicator cable 2 securing clip3 power-port cable 4 screws (9)5 I/O-board assembly13542