8-13CPU MODULEConcerning the CPU module, you can add or replace the following components, or CRU(customer-replaceable units): CPU (processor) DIMM (memory)Remove the CPU module to install or remove these devices. The figures used in this section showthe tower model. The orientation is the only difference from the rack-mount model.IMPORTANT: Ask your sales agent to replace the CPU module and components of the CPU module. Make sure to read "Anti-static Measures" and "Preparing Your System for Upgrade" beforeinstalling or removing options. To install or remove CPU or DIMM, first power off the server before removing the CPUmodule. The procedures described below are for replacement of DIMMs. Removing the module being operating may cause unexpected trouble. Use the managementsoftware (e.g., ft server utility or NEC ESMPRO Manager) to identify the module to beremoved so that the module is removed when it is stopped, without failThen remove the relevant module after verifying the status LED on the CPU module. Handle the module fixing screw with your hand, not by using any tool. If you have replaced the module, attach an HDD ID label indicating the replaced modulenumber to the upper part of the fixing screw of the module.PRECAUTIONS:When replacing a PCI module and a CPU module, replace one module and wait until dualconfiguration is established to replace the other module. If you replace the both modulessimultaneously, dual configuration of either CPU modules or PCI modules may fail. (SeeChapter 7 “Troubleshooting”.)
