Ehhanced Port Replicator The Enhanced Port Replicator Accessory consists of no field replaceable components. If any component of the dock is defective, the entire unit must be replaced. Troubleshooting Tips: Power Maintain power to the port replicator. If power is interrupted, SCSI devices and network connections are lock. The Unlock button doesn't work without power. External Keyboard/Mouse Undock and remove power before connecting or removing an external keyboard or mouse. To enable a serial mouse after docking, reboot the system. (A PS/2 mouse does not require a reboot.) SCSI Devices The SCSI port uses I/O addresses 340-35F and interrupt 10. 29