1. Installing Internal Optional DevicesExpress5800/B120f User's Guide 39Chapter 2 Preparations1.3.4 Installation of top cover, air duct, and hard disk drive cageTo install top cover, air duct, and hard disk drive cage, perform installation steps in Chapter 2 (1.3.1 Removal oftop cover, 1.3.2 Removal of air duct, and 1.3.3 Removal of hard disk drive cage) in reverse order.Note the following when installing these components.● Installing removed components exactly as they wereInstall the components and cables, which were removed and disconnected for addition of an option, exactlyas they were. Assembling without a component being installed or a cable being disconnected causes theserver to malfunction.● Confirming that no parts such as screws are left in the serverConfirm that particularly conductive parts such as screws are not left in the server. Turning on the powerwith a conductive part on the mother board or cable terminal causes the server to malfunction.● Confirming the cooling effect in the serverConfirm that the ventilating holes are not covered with an internally connected cable. Insufficient coolingeffect raises the internal temperature, which causes the server to malfunction.● Confirming operation with a toolSome additional devices require the diagnostic utility or BIOS SETUP utility to check if they are installedcorrectly. For details, see the procedure for installing the target device.
