Chapter 9Upgrading Your ServerThis chapter describes internal optional devices available for the server, procedures for install orremoving such optional devices, and notes on using them.IMPORTANT: You may conduct the installation and removal procedures describedin this section by yourself. However, NEC is not responsible forany machine or component defects or bad influences resulting fromthe operation of the server subject to the installation or removal.NEC recommends that you request a maintenance engineer of yourservice representative having the expert knowledge on the server todo the installation and removal procedures. Use the options and cables approved by NEC. You will be chargedby any repair of a malfunction, fault, or defect occurring in a serverin which one or more component not approved by NEC are used. Use NEC EXPRESSBUILDER to update the system if the hardwareconfiguration is changed (see Chapter 5 for details).