1. Installing Internal Optional DevicesExpress5800/GT110e-S User’s Guide100Chapter 2 Preparations1.14.1 InstallationInstall a backup device by using the following procedure. The procedure will be described, focusing oninstalling the USB file device option.1. Refer to Chapter 2 (1.3 Overview of Installation and Removal) for preparations.2. Remove the side cover and front bezel while referring to Chapter 2 (1.4 Removing the Side Cover and1.5 Removing the Front Bezel).3. While pressing the tab on the right, pull the dummycover out.4. Remove the four screws from the dummy cover anddetach the rails.5. Attach the rails to the backup device.Important • Keep the removed dummy cover for future use.• Use screw set 502 supplied with this server to attach the rails to the backupdevice.